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  Subjects -> ENERGY (Total: 300 journals)
    - ELECTRICAL ENERGY (2 journals)
    - ENERGY (183 journals)
    - ENERGY: GENERAL (8 journals)
    - NUCLEAR ENERGY (27 journals)
    - PETROLEUM AND GAS (52 journals)
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ENERGY (183 journals)                 | Last

Showing 1 - 200 of 406 Journals sorted alphabetically
ActaEnergetica     Open Access  
Advances in Building Energy Research     Hybrid Journal   (Followers: 9)
Advances in Energy and Power     Open Access   (Followers: 4)
Advances in High Energy Physics     Open Access   (Followers: 16)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 11)
American Journal of Energy Research     Open Access   (Followers: 8)
Annals of Nuclear Energy     Hybrid Journal   (Followers: 6)
Annual Reports on NMR Spectroscopy     Full-text available via subscription   (Followers: 3)
Annual Review of Resource Economics     Full-text available via subscription   (Followers: 10)
Applied Nanoscience     Open Access   (Followers: 8)
Applied Solar Energy     Hybrid Journal   (Followers: 15)
Archives of Thermodynamics     Open Access   (Followers: 6)
Artificial Photosynthesis     Open Access   (Followers: 1)
Asian Bulletin of Energy Economics and Technology     Open Access   (Followers: 2)
Atomic Energy     Hybrid Journal   (Followers: 4)
Atoms for Peace: an International Journal     Hybrid Journal   (Followers: 4)
Batteries     Open Access   (Followers: 3)
Biofuel Research Journal     Open Access   (Followers: 3)
Biofuels     Hybrid Journal   (Followers: 10)
Biofuels Engineering     Open Access  
Biomass Conversion and Biorefinery     Partially Free   (Followers: 11)
Bulletin de droit nucleaire     Full-text available via subscription   (Followers: 1)
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 35)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 20)
Carbon Management     Hybrid Journal   (Followers: 6)
Catalysis for Sustainable Energy     Open Access   (Followers: 5)
CERN courier. International journal of high energy physics     Free   (Followers: 6)
Chain Reaction     Full-text available via subscription   (Followers: 1)
Clefs CEA     Full-text available via subscription   (Followers: 1)
Computational Water, Energy, and Environmental Engineering     Open Access   (Followers: 4)
Dams and Reservoirs     Hybrid Journal   (Followers: 3)
Development of Energy Science     Open Access   (Followers: 4)
Distributed Generation & Alternative Energy Journal     Hybrid Journal   (Followers: 3)
E3S Web of Conferences     Open Access  
Economics and Policy of Energy and the Environment     Full-text available via subscription   (Followers: 8)
Electrical and Power Engineering Frontier     Open Access   (Followers: 18)
Electricity Journal     Partially Free   (Followers: 1)
ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations     Open Access   (Followers: 1)
Energy     Partially Free   (Followers: 24)
Energy & Fuels     Full-text available via subscription   (Followers: 25)
Energy and Buildings     Hybrid Journal   (Followers: 8)
Energy and Emission Control Technologies     Open Access   (Followers: 3)
Energy and Environment Focus     Free   (Followers: 6)
Energy and Environment Research     Open Access   (Followers: 11)
Energy and Environmental Engineering     Open Access   (Followers: 6)
Energy and Power     Open Access   (Followers: 8)
Energy and Power Engineering     Open Access   (Followers: 16)
Energy Conversion and Management     Hybrid Journal   (Followers: 8)
Energy Efficiency     Hybrid Journal   (Followers: 11)
Energy Harvesting and Systems : Materials, Mechanisms, Circuits and Storage     Hybrid Journal   (Followers: 2)
Energy Law Journal     Full-text available via subscription   (Followers: 4)
Energy Materials : Materials Science and Engineering for Energy Systems     Hybrid Journal   (Followers: 18)
Energy Policy     Partially Free   (Followers: 55)
Energy Prices and Taxes     Full-text available via subscription   (Followers: 5)
Energy Procedia     Open Access   (Followers: 2)
Energy Reports     Open Access   (Followers: 4)
Energy Research & Social Science     Full-text available via subscription   (Followers: 2)
Energy Science & Engineering     Open Access   (Followers: 3)
Energy Science and Technology     Open Access   (Followers: 12)
Energy Storage Materials     Full-text available via subscription  
Energy Strategy Reviews     Partially Free   (Followers: 9)
Energy Studies Review     Open Access   (Followers: 5)
Energy Systems     Hybrid Journal   (Followers: 12)
Energy Technology     Partially Free   (Followers: 4)
Energy Technology & Policy     Open Access   (Followers: 1)
Energy, Sustainability and Society     Open Access   (Followers: 17)
Environmental Progress & Sustainable Energy     Hybrid Journal   (Followers: 6)
EPJ Photovoltaics     Open Access   (Followers: 2)
Facta Universitatis, Series : Electronics and Energetics     Open Access  
Foundations and Trends® in Renewable Energy     Full-text available via subscription   (Followers: 1)
Frontiers in Energy     Hybrid Journal   (Followers: 3)
Frontiers in Energy Research     Open Access   (Followers: 2)
Fuel and Energy Abstracts     Full-text available via subscription   (Followers: 4)
Functional Materials Letters     Hybrid Journal   (Followers: 1)
Gcb Bioenergy     Open Access   (Followers: 2)
Geomechanics for Energy and the Environment     Full-text available via subscription  
Geothermal Energy     Open Access   (Followers: 3)
Green     Hybrid Journal   (Followers: 2)
Green Energy & Environment     Open Access   (Followers: 1)
IEA Electricity Information     Full-text available via subscription   (Followers: 2)
IEA Natural Gas Information     Full-text available via subscription   (Followers: 2)
IEEE Power and Energy     Full-text available via subscription   (Followers: 23)
IEEE Transactions on Energy Conversion     Hybrid Journal   (Followers: 11)
IEEE Transactions on Nuclear Science     Hybrid Journal   (Followers: 8)
IEEE Transactions on Power Systems     Hybrid Journal   (Followers: 23)
IET Power Electronics     Hybrid Journal   (Followers: 23)
Ingeniería Energética     Open Access  
Innovations : Technology, Governance, Globalization     Hybrid Journal   (Followers: 5)
International Journal of Alternative Propulsion     Hybrid Journal   (Followers: 6)
International Journal of Ambient Energy     Hybrid Journal   (Followers: 1)
International Journal of Applied Power Engineering     Open Access   (Followers: 4)
International Journal of Clean Coal and Energy     Open Access   (Followers: 5)
International Journal of Coal Science & Technology     Open Access   (Followers: 1)
International Journal of Electric and Hybrid Vehicles     Hybrid Journal   (Followers: 8)
International Journal of Emerging Electric Power Systems     Hybrid Journal   (Followers: 4)
International Journal of Emerging Multidisciplinary Fluid Sciences     Full-text available via subscription   (Followers: 1)
International Journal of Energy and Environmental Engineering     Open Access   (Followers: 4)
International Journal of Energy and Power     Open Access   (Followers: 8)
International Journal of Energy and Statistics     Hybrid Journal  
International Journal of Energy Engineering     Open Access   (Followers: 9)
International Journal of Energy Research     Hybrid Journal   (Followers: 8)
International Journal of Energy Science     Open Access   (Followers: 1)
International Journal of Flow Control     Full-text available via subscription   (Followers: 5)
International Journal of Global Energy Issues     Hybrid Journal   (Followers: 7)
International Journal of Green Energy     Hybrid Journal   (Followers: 9)
International Journal of Hydrogen Energy     Partially Free   (Followers: 12)
International Journal of Marine Energy     Full-text available via subscription   (Followers: 1)
International Journal of Nuclear Desalination     Hybrid Journal  
International Journal of Nuclear Energy Science and Technology     Hybrid Journal   (Followers: 2)
International Journal of Nuclear Governance, Economy and Ecology     Hybrid Journal   (Followers: 1)
International Journal of Nuclear Hydrogen Production and Applications     Hybrid Journal   (Followers: 1)
International Journal of Nuclear Knowledge Management     Hybrid Journal   (Followers: 1)
International Journal of Power and Energy Conversion     Hybrid Journal   (Followers: 2)
International Journal of Smart Grid and Green Communications     Hybrid Journal  
International Journal of Sustainable Energy     Hybrid Journal   (Followers: 12)
International Journal of Sustainable Energy Planning and Management     Open Access   (Followers: 3)
International Journal of Sustainable Engineering     Hybrid Journal   (Followers: 7)
International Journal of Thermodynamics     Open Access   (Followers: 8)
Journal of Alternate Energy Sources & Technologies     Full-text available via subscription  
Journal of Building Performance Simulation     Hybrid Journal   (Followers: 6)
Journal of China Coal Society     Open Access  
Journal of Energy     Open Access  
Journal of Energy & Natural Resources Law     Hybrid Journal   (Followers: 1)
Journal of Energy Chemistry     Full-text available via subscription   (Followers: 1)
Journal of Energy in Southern Africa     Open Access   (Followers: 2)
Journal of Energy Storage     Full-text available via subscription  
Journal of Energy Technologies and Policy     Open Access   (Followers: 5)
Journal of Energy, Environment & Carbon Credits     Full-text available via subscription   (Followers: 2)
Journal of Fusion Energy     Hybrid Journal   (Followers: 3)
Journal of International Energy Policy     Open Access   (Followers: 3)
Journal of Modern Power Systems and Clean Energy     Open Access   (Followers: 7)
Journal of Nano Energy and Power Research     Full-text available via subscription   (Followers: 4)
Journal of Nuclear Energy Science & Power Generation Technology     Hybrid Journal  
Journal of Ocean Engineering and Marine Energy     Hybrid Journal   (Followers: 1)
Journal of Physical Chemistry C     Full-text available via subscription   (Followers: 27)
Journal of Power Electronics & Power Systems     Full-text available via subscription   (Followers: 7)
Journal of Radiological Protection     Full-text available via subscription   (Followers: 4)
Journal of Renewable Energy     Open Access   (Followers: 5)
Journal of Semiconductors     Full-text available via subscription   (Followers: 2)
Journal of Solar Energy     Open Access   (Followers: 8)
Journal of Solar Energy Engineering     Full-text available via subscription   (Followers: 17)
Journal of Sustainable Bioenergy Systems     Full-text available via subscription   (Followers: 1)
Journal of Sustainable Energy Engineering     Full-text available via subscription  
Journal of Technology Innovations in Renewable Energy     Hybrid Journal  
Materials for Renewable and Sustainable Energy     Open Access   (Followers: 7)
Natural Resources     Open Access   (Followers: 2)
Nature Energy     Hybrid Journal   (Followers: 3)
Nigerian Journal of Technological Research     Full-text available via subscription  
Nuclear Data Sheets     Full-text available via subscription  
Nuclear Engineering and Design     Hybrid Journal   (Followers: 10)
Nuclear Law Bulletin     Full-text available via subscription   (Followers: 2)
Nuclear Materials and Energy     Open Access   (Followers: 1)
Oil and Gas Journal     Full-text available via subscription   (Followers: 10)
Oil, Gas, Coal and Electricity - Quarterly Statistics - Electricite, charbon, gaz et petrole - Statistiques trimestrielles     Full-text available via subscription   (Followers: 8)
Open Journal of Energy Efficiency     Open Access   (Followers: 2)
Power Technology and Engineering     Hybrid Journal   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Energy     Hybrid Journal   (Followers: 3)
Progress in Nuclear Energy     Hybrid Journal  
Radiochimica Acta     Hybrid Journal   (Followers: 5)
Radioprotection     Hybrid Journal   (Followers: 1)
Science and Technology of Nuclear Installations     Open Access   (Followers: 1)
Smart Grid and Renewable Energy     Open Access   (Followers: 8)
Solar Energy     Hybrid Journal   (Followers: 19)
Solar Energy Materials and Solar Cells     Hybrid Journal   (Followers: 27)
SourceOCDE Energie nucleaire     Full-text available via subscription  
SourceOECD Nuclear Energy     Full-text available via subscription   (Followers: 1)
South Pacific Journal of Natural and Applied Sciences     Hybrid Journal  
Strategic Planning for Energy and the Environment     Hybrid Journal   (Followers: 4)
Structural Control and Health Monitoring     Hybrid Journal   (Followers: 6)
Surface Science Reports     Full-text available via subscription   (Followers: 15)
Sustainable Energy     Open Access   (Followers: 1)
Sustainable Energy Technologies and Assessments     Full-text available via subscription  
Sustainable Energy, Grids and Networks     Hybrid Journal   (Followers: 1)
Technology Audit and Production Reserves     Open Access  
The International Journal of Ocean and Climate Systems     Full-text available via subscription   (Followers: 7)
The Journal of Computational Multiphase Flows     Full-text available via subscription  
Universal Journal of Applied Science     Open Access   (Followers: 2)
Washington and Lee Journal of Energy, Climate, and the Environment     Open Access   (Followers: 3)
Waste Management     Hybrid Journal   (Followers: 10)
Water International     Hybrid Journal   (Followers: 12)
Wiley Interdisciplinary Reviews : Energy and Environment     Hybrid Journal   (Followers: 4)
Wind Energy     Hybrid Journal   (Followers: 2)
Wind Engineering     Full-text available via subscription   (Followers: 2)

       | Last

Journal Cover Functional Materials Letters
  [SJR: 0.392]   [H-I: 19]   [1 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1793-6047 - ISSN (Online) 1793-7213
   Published by World Scientific Homepage  [118 journals]
  • Solvothermal preparation of phthalocyanine nanorod/rGO composites and
           their application to visible-light-responsive photocatalysts
    • Authors: Shuai Zhang, Yongting Lu, Fan Zhang, Jie Qu, Bencai Lin, Ningyi Yuan, Bijun Fang, Jian-Ning Ding
      Abstract: Functional Materials Letters, Ahead of Print.
      Phthalocyanine (Pc) nanorod/reduced graphene oxide (rGO) composites were prepared by a simple solvothermal method, in which Pc nanosheet and graphene oxide (GO) suspensions were mixed in methanol. As characterized by scanning electron microscopy, transmission electron microscopy, and selected area electron diffraction, Pc nanorods with an amorphous structure and an average diameter of 250[math]nm are partially covered by rGO sheets. In the photodegradation experiments, all the composites with different rGO content show enhanced photocatalytic activity for Rhodamine B decomposition under visible-light compared to pure Pc nanorods or rGO sheets. The enhanced photocatalytic activity shall be ascribed to the large surface area offered by rGO and the charge-transfer from Pc to rGO as indicated by the photoluminescence measurement, in which fluorescence intensity of the composites is much weaker than that of Pc nanorods.
      Citation: Functional Materials Letters
      PubDate: 2016-09-09T07:15:20Z
      DOI: 10.1142/S1793604716500648
       
  • Optimization of energy harvesting based on the uniform deformation of
           piezoelectric ceramic
    • Authors: Yaoze Liu, Tongqing Yang, Fangming Shu
      Abstract: Functional Materials Letters, Ahead of Print.
      Since the piezoelectric properties were used for energy harvesting, almost all forms of energy harvester needs to be bonded with a mass block to achieve pre-stress. In this article, disc type piezoelectric energy harvester is chosen as the research object and the relationship between mass bonding area and power output is studied. It is found that if the bonding area is changed as curved, which is usually complanate in previous studies, the deformation of the circular piezoelectric ceramic is more uniform and the power output is enhanced. In order to test the change of the deformation, we spray several homocentric annular electrodes on the surface of a piece of bare piezoelectric ceramic and the output of each electrode is tested. Through this optimization method, the power output is enhanced to more than 11[math]mW for a matching load about 24[math]k[math] and a tip mass of 30[math]g at its resonant frequency of 139[math]Hz.
      Citation: Functional Materials Letters
      PubDate: 2016-08-31T07:03:57Z
      DOI: 10.1142/S1793604716500697
       
  • Preparation and characterization of nanocrystalline barium ferrite ceramic
    • Authors: Majid Saeedi, Majid Abdellahi, Alireza Rahimi, Amirsalar Khandan
      Abstract: Functional Materials Letters, Ahead of Print.
      In this work, nanocrystalline BaFe[math]O[math] hexaferrite ceramic was synthesized via high-energy ball milling and subsequent sintering from the mixed powders of Fe2O3 and BaCO3. X-ray diffraction (XRD), X-ray photoemission spectroscopy (XPS), differential thermal analysis (DTA) and scanning electron microscopy (SEM) were utilized to understand the structural evolution during the synthesis process. Vibrating sample magnetometer (VSM) was also used to investigate the magnetic properties of the samples as a function of sintering process. DTA analysis suggested that the initial high-energy milling of the precursors helps the formation of single domain magnetic particles. According to the results obtained, BaFe[math]O[math] can be formed via two main steps, during which BaFe2O4 is formed initially that eventually turns into BaFe[math]O[math]. VSM-based findings showed that the ratio of remanent magnetization to magnetization value (Mr/Ms) is around 0.5 which is the expected value for randomly oriented assembly of uniaxial single-domain particles undergoing magnetization reversal by coherent rotation. The observed magnetic parameters (Mr and Ms) are much higher than the previously reported values, due to the reduction in particle size as a result of ball milling.
      Citation: Functional Materials Letters
      PubDate: 2016-08-29T08:59:47Z
      DOI: 10.1142/S1793604716500685
       
  • Influence of microstructure and AlPO4 secondary-phase on the ionic
           conductivity of Li[math]Al[math]Ti[math](PO4)3 solid-state electrolyte
    • Abstract: Functional Materials Letters, Ahead of Print.
      A ceramic solid-state electrolyte of lithium aluminum titanium phosphate with the composition of Li[math]Al[math]Ti[math](PO[math] (LATP) was synthesized by a sol–gel method using a pre-dissolved Ti-source. The annealed LATP powders were subsequently processed in a binder-free dry forming method and sintered under air for the pellet preparation. Phase purity, density, microstructure as well as ionic conductivity of the specimen were characterized. The highest density (2.77[math][math] with an ionic conductivity of [math] (at 30[math]C) was reached at a sintering temperature of 1100[math]C. Conductivity of LATP ceramic electrolyte is believed to be significantly affected by both, the AlPO4 secondary phase content and the ceramic electrolyte microstructure. It has been found that with increasing sintering temperature, the secondary-phase content of AlPO4 increased. For sintering temperatures above 1000[math]C, the secondary phase has only a minor impact, and the ionic conductivity is predominantly determined by the microstructure of the pellet, i.e. the correlation between density, porosity and particle size. In that respect, it has been demonstrated, that the conductivity increases with increasing particle size in this temperature range and density.
      Citation: Functional Materials Letters
      PubDate: 2016-08-29T08:59:42Z
      DOI: 10.1142/S1793604716500661
       
  • Effect of Ag[math] and PO[math]− ratios on the microstructure and
           photocatalytic activity of Ag[math]PO[math]
    • Authors: Jiaqian Qin, Xinyu Zhang, Chengwu Yang, Aijun Song, Bing Zhang, Saravanan Rajendran, Mingzhen Ma, Riping Liu
      Abstract: Functional Materials Letters, Ahead of Print.
      In this work, the catalyst silver phosphate (Ag3PO[math] with different initial ratios of Ag[math] and PO[math] in aqueous solution was synthesized by a simple precipitation method from AgNO3 and NH4H2PO4 which were used as the precursor. After that, the prepared samples were characterized by different techniques such as field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy (UV-DRS) and decomposition evolution of rhodamine B (RhB) solution. The results indicate that the initial ratios of Ag[math]/PO[math] in aqueous solution can modify the morphology and also it can significantly affect the photocatalytic performance. During photocatalytic process, the rich Ag[math] ion Ag3PO4 can form the surface plasmon resonance (SPR) of Ag nanoparticles, which inhibit the reduction of Ag3PO4 resulting in higher photocatalytic activity and stability.
      Citation: Functional Materials Letters
      PubDate: 2016-08-10T08:00:47Z
      DOI: 10.1142/S1793604716500636
       
  • A novel single-source precursor for collapsed boron nitride nanotubes with
           high hydrogen storage capacity
    • Authors: Jie Li, Wei Dai, Muqing Chen, Tian Wu
      Abstract: Functional Materials Letters, Ahead of Print.
      An efficient chemical vapor deposition (CVD) method was successfully utilized to synthesize boron nitride nanotubes (BNNTs), where Ammonium boron trifluoride (NH3BF[math] and MgCl2 were employed as the novel single-source precursor and the promoter, respectively. The as-obtained BNNTs displayed a collapsed structure with the average diameter of 15[math]nm and lengths up to tens of micrometers, named as collapsed BNNTs. They exhibited a reproducible hydrogen storage capacity of 2.63[math]wt.% under 10 MPa and at ambient temperature. Moreover, they showed an high storage cycling stability due to the excellent chemical and structural stability.
      Citation: Functional Materials Letters
      PubDate: 2016-08-10T08:00:35Z
      DOI: 10.1142/S1793604716420017
       
  • Low-temperature fabrication of VO2 thin film on ITO glass with a Mott
           transition
    • Authors: Tiegui Lin, Langping Wang, Xiaofeng Wang, Yufen Zhang
      Abstract: Functional Materials Letters, Ahead of Print.
      Polycrystalline Vanadium dioxide (VO2) thin film can be fabricated on glass substrates by high power impulse magnetron sputtering at a relative high temperature. In order to apply an effective bias voltage on substrate and control the energy of the ions impinged to the substrate, conductive indium-tin oxide (ITO) glass was used as the substrate. UV-visible-near IR transmittance spectra and X-ray diffraction (XRD) patterns of the as-deposited films exhibited that M-VO2 thin film with a metal–insulator transition temperature of 37[math]C was fabricated successfully at 300[math]C with a bias voltage of [math]200[math]V, and the calculated average crystalline size of this film was about 12[math]nm. XRD patterns at varied temperatures showed that the structural change of MIT of the VO2 thin film was suppressed during the phase transition process, and a pure Mott transition was obtained.
      Citation: Functional Materials Letters
      PubDate: 2016-08-03T06:31:52Z
      DOI: 10.1142/S1793604716500624
       
  • Combined experimental and quantum chemical study on the adsorption
           mechanism of phosphorous anions on the hydrotalcite surfaces
    • Authors: Kenji Mishima, Shuang Zhang, Sho Minagawa, Naoki Kano
      Abstract: Functional Materials Letters, Ahead of Print.
      In the present work, the hydrotalcite-like compound [Mg6Al2(OH)[math]]CO[math] [math]H2O (shorted as MgAl–CO[math] is synthesized and the adsorption of phosphorous anions, their adsorption performance on the surface of hydrotalcites, and its mechanism are analyzed. To theoretically clarify the adsorption mechanism and adsorption structures, we perform quantum chemistry calculations of reactants, locally stable states, transition states, and products among phosphorous anion, water, and hydrotalcite in a variety of pH ranges. The experimental result shows that the efficiency of phosphate removal does not depend on pH of the solution, with which the numerical results are consistent. In particular, we identify the factors of influencing the adsorption ratio in different pH ranges from the quantum chemistry calculations: the stability of locally stable states, and the energies and locations of potential barriers along the reaction pathway relative to those of the locally stable states. The results suggest that hydrotalcites synthesized in this work are suitable as sorbent materials for the adsorption and removal of phosphorous anions from aqueous solutions.
      Citation: Functional Materials Letters
      PubDate: 2016-08-03T06:31:50Z
      DOI: 10.1142/S1793604716500612
       
  • Optical temperature sensing of piezoelectric Er[math]-doped
           (Ba[math]Ca[math])(Sn[math]Ti[math])O3 ceramic
    • Authors: Wujian Mao, Yanmin Jia, Jiang Wu, Yunlong Xie, Zheng Wu, Jinping Han, Miao He
      Abstract: Functional Materials Letters, Ahead of Print.
      The up-conversion optical emission temperature sensing of Er[math]-doped (Ba[math]Ca[math])(Sn[math]Ti[math])O3 piezoelectric ceramic prepared via a conventional solid-state reaction method has been investigated in a range of 83–503[math]K. There is a good linear relationship between the logarithm of the fluorescence intensity ratio of the green up-conversion emissions at 525[math]nm and 550[math]nm peaks (Ln([math]/[math])) and the inverse of temperature (1/[math]). The maximum temperature sensitivity was found to be approximately 0.0051[math]k[math], suggesting that Er[math]-doped (Ba[math]Ca[math])(Sn[math]Ti[math])O3 ceramic possesses potential application in optical non-contact temperature sensing.
      Citation: Functional Materials Letters
      PubDate: 2016-08-03T06:26:53Z
      DOI: 10.1142/S1793604716500600
       
  • The research progress of Li-ion battery separators with inorganic oxide
           nanoparticles by electrospinning: a mini review
    • Authors: Hong-Li Chen, Xiao-Ning Jiao, Jin-Tao Zhou
      Abstract: Functional Materials Letters, Ahead of Print.
      The technology of Lithium-ion battery (LIB) separator has become more and more mature. But there are still many problems that needed to be resolved. For example, its mechanical strength is low relatively, thermal stability is bad and the porosity and electrochemical performance are imperfect. This paper introduces modification of electrospinning LIB separator from the way of adding nanoparticles, including SiO2, TiO2, Al2O3 and copper titanate oxide, etc. And addition methods include dissolving in dispersant, dissolving in polymer solution, coating and in situ method. The modified membranes possess higher ionic conductivity which can reach to the level of 10[math][math]s/cm.
      Citation: Functional Materials Letters
      PubDate: 2016-08-03T06:26:52Z
      DOI: 10.1142/S1793604716300036
       
  • Facile and one-pot solution synthesis of several kinds of 3D hierarchical
           flower-like [math]-Bi2O3 microspheres
    • Authors: Yajun Wang, Zexue Li, Haiyang Yu, Changgen Feng
      Abstract: Functional Materials Letters, Ahead of Print.
      Several kinds of three-dimensional (3D) hierarchical constructed flower-like [math]-Bi2O3 microspheres were prepared successfully via a simple solution precipitation synthesis at 95[math]C and ambient atmospheric pressure in 1[math]h. The synthesis process was operated in ethanol–water system as solvent with the assistance of glycerin and oleic acid as capping agents. These flower-like [math]-Bi2O3 architectures with diameter of several micrometers were 3D self-assembled from nanorods or nanocubes step by step. By adjusting the concentration of the capping agents, various flower-like [math]-Bi2O3 microspheres were obtained. The formation of the flower-like superstructures was attributed to the modification of nucleation and growth kinetics, and the guidance of self-assembly approach by capping agents. The formation mechanism of these microstructures was discussed briefly.
      Citation: Functional Materials Letters
      PubDate: 2016-08-03T06:26:50Z
      DOI: 10.1142/S1793604716500594
       
  • One-step hydrothermal synthesis of NiS/MoS2-rGO composites and their
           application as catalysts for hydrogen evolution reaction
    • Authors: Huaping Wu, Ye Qiu, Junma Zhang, Guozhong Chai, Congda Lu, Aiping Liu
      Abstract: Functional Materials Letters, Ahead of Print.
      The composites of sulphide and reduced graphene oxide (NiS/MoS2-rGO) were synthesized through a facile solvent-assisted hydrothermal method. The introduction of NiS was paramount not only in enhancing the conductivity of whole catalysts but also in modulating the layer structures of MoS2 with additional active sites. Moreover, the NiS and rGO functioned together in controlling the morphology of as-prepared composites, resulting in uniformly distributed NiS/MoS2 nanosheets perpendicular to rGO scaffold. This further contributed to the excellent hydrogen evolution performance of the composites with a small onset overpotential of 80[math]mV and Tafel slope as low as 65[math]mV/decade.
      Citation: Functional Materials Letters
      PubDate: 2016-07-26T11:28:41Z
      DOI: 10.1142/S1793604716500582
       
  • Nickel nanocrystals grown on sparse hierarchical CuS microflowers as
           high-performance counter electrodes for dye-sensitized solar cells
    • Authors: Zhaoliang Shi, Wei Zhou, Yiran Ma
      Abstract: Functional Materials Letters, Ahead of Print.
      Three kinds of hierarchical CuS microflowers composed of thin nanosheets have been synthesized by a simple wet chemical method. It is shown that the CuS microflowers provide suitable substrates to grow nickel nanocrystals. The prepared Ni@CuS hybrids combined with conductive glass (FTO) have been used as counter electrodes for dye-sensitized solar cells (DSSCs). The electrode made of the active material of Ni@CuS microflowers with sparsest petals show an optimal photoelectric conversion efficiency of 4.89%, better than those made of single component of Ni (3.39%) or CuS (1.65%), and other two Ni@CuS composites. The improved performances could be ascribed to the synergetic effect of the catalytic effect towards I[math]/I[math] from sparse CuS hierarchical structure and uniformly grown Ni nanocrystals. Besides, the introduced Ni nanocrystals could increase the conductivity of the hybrid and facilitate the transport of electrons. The hybrid Ni@CuS composites serving as counter electrodes have much enhanced electrochemical properties, which provide a feasible route to develop high-active non-noble hybrid counter electrode materials.
      Citation: Functional Materials Letters
      PubDate: 2016-07-07T10:48:15Z
      DOI: 10.1142/S1793604716500569
       
  • The fine control of porous pompon-like Mg-incorporated [math]-Ni(OH)2 for
           enhanced supercapacities
    • Authors: Shuxia Yuan, Xiaomin Wang, Chunxiang Lu, Cheng-Meng Chen
      Abstract: Functional Materials Letters, Ahead of Print.
      Uniform porous pompon-like Mg-incorporated [math]-Ni(OH)2 were designed and synthesized by a facile co-precipitation method. The results of ICP, XRD, FESEM, EDS and N2 adsorption/desorption isotherms revealed that Mg[math] in the Ni(OH)2 lattice had a significant effect on the physicochemical and electrochemical properties. The enhanced chemical stability, high specific capacitance of 1647 F g[math], excellent rate capability and long cycle life with capacitance retention of 82.0% after 1000 cycles were obtained for Mg-incorporated samples.
      Citation: Functional Materials Letters
      PubDate: 2016-07-07T10:48:14Z
      DOI: 10.1142/S1793604716500570
       
  • Nitrogen-doped carbon coated silicon derived from a facile strategy with
           enhanced performance for lithium storage
    • Authors: Lingxing Zeng, Renpin Liu, Heyuan Qiu, Xi Chen, Xiaoxia Huang, Peixun Xiong, Qingrong Qian, Qinghua Chen, Mingdeng Wei
      Abstract: Functional Materials Letters, Ahead of Print.
      Silicon-based nanostructures are receiving intense interest in lithium-ion batteries (LIBs) because they have ultrahigh lithium ion storage ability. However, the fast capacity fading induced by the considerably tremendous volume changes of Si anode during the Li-ion intercalation processes as well as the low intrinsic electric conductivity have hindered its deployment. Herein, we initially developed an effective technique to synthesize the core-shell Si/nitrogen-doped carbon (Si/N[math]C), composite by combining in situ interfacial polymerization and decorate with melamine, followed by carbonization. When used as anode material for LIBs, the Si/N[math]C composite delivered a notable reversible capacity (1084 mAh g[math] at 0.2 A g[math] for 50 cycles) and high rate capability (495 mAh g[math] at 1 A g[math]).
      Citation: Functional Materials Letters
      PubDate: 2016-06-27T03:32:15Z
      DOI: 10.1142/S1793604716500557
       
  • Light enhanced resistive switching in BaTiO3/CoFeB/BaTiO3 structure
    • Authors: Hongwei Li, Bai Sun, Lujun Wei, Jianhong Wu, Xiangjiang Jia, Wenxi Zhao, Peng Chen
      Abstract: Functional Materials Letters, Ahead of Print.
      Obvious resistive switching is observed under light irradiation in BaTiO3/CoFeB/BaTiO3 trilayer prepared by magnetron sputtering system while the same sample shows extremely small resistive switching effect in the dark. Under the irradiation of 31.4[math]mW/cm2, the ratio of high resistance to low resistance (OFF/ON ratio) of the sample annealed at 600[math]C can keep about 80 in more than 70 test cycles without obvious decay. The current conduction mechanism is PF emission in LRS and space charge limited conduction (SCLC) in HRS. The origin of the resistive switching behavior can be explained by considering the trapping and detrapping of charges.
      Citation: Functional Materials Letters
      PubDate: 2016-06-24T07:18:52Z
      DOI: 10.1142/S1793604716500521
       
  • Synthesis of ceramic-based porous gradient structures for applications in
           energy conversion and related fields
    • Authors: Thomas Graule, Paulina Ozog, Caroline Durif, Judit Wilkens-Heinecke, Dariusz Kata
      Abstract: Functional Materials Letters, Ahead of Print.
      Porous, graded ceramic structures are of high relevance in the field of energy conversion as well as in catalysis, and additionally in filtration technology and in biomedical applications. Among different technologies for the tailored design for such structures we demonstrate here a new environmental friendly UV curing-based concept to prepare laminated structures with pore sizes ranging from a few microns up to 50 microns in diameter and with porosities ranging from 10% up to 75 vol.% porosity.
      Citation: Functional Materials Letters
      PubDate: 2016-06-16T07:27:07Z
      DOI: 10.1142/S1793604716410010
       
  • Positive magnetoresistance of La[math]Sr[math]MnO3/C composites
    • Authors: Yu. V. Kabirov, V. G. Gavrilyachenko, A. S. Bogatin
      Abstract: Functional Materials Letters, Ahead of Print.
      The perovskite manganite La[math]Sr[math]MnO3 compound is used as a component in ceramic ([math](La[math]Sr[math]MnO[math]-xC composites at [math]–0.85. It is found that every studied specimen is characterized by the linear dependence of the positive magnetoresistance (PMR) on the magnetic field strength at room temperature. The 0.6(La[math]Sr[math]MnO[math]-0.4C composite has the largest magnetoresistance value (15%) at room temperature and intensity of magnetic field [math][math]kOe. A possible mechanism for the PMR of ([math](La[math]Sr[math]MnO[math]-xC composites is discussed.
      Citation: Functional Materials Letters
      PubDate: 2016-06-14T07:11:16Z
      DOI: 10.1142/S1793604716500545
       
  • Excess lithium storage in LiFePO4-Carbon interface by ball-milling
    • Authors: Hua Guo, Xiaohe Song, Jiaxin Zheng, Feng Pan
      Abstract: Functional Materials Letters, Ahead of Print.
      As one of the most popular cathode materials for high power lithium ion batteries (LIBs) of the electrical-vehicle (EV), lithium iron phosphate (LiFePO4 (LFP)) is limited to its relatively lower theoretical specific capacity of 170[math]mAh g[math]. To break the limits and further improve the capacity of LFP is promising but challenging. In this study, the ball-milling method is applied to the mixture of LFP and carbon, and the effective capacity larger than the theoretical one by 30[math]mAh g[math] is achieved. It is demonstrated that ball-milling leads to the LFP-Carbon interface to store the excess Li-ions.
      Citation: Functional Materials Letters
      PubDate: 2016-06-14T07:11:07Z
      DOI: 10.1142/S1793604716500533
       
  • Impact of crystal structure singularity on transport and electrochemical
           properties of Lix(LiyFezV[math])O2 — electrode material for lithium
           batteries
    • Abstract: Functional Materials Letters, Ahead of Print.
      Lithium vanadium oxide (LiVO2) and its substituted derivatives are a distinctive group of materials that may act both, as cathode and anode materials for Li-ion batteries. This paper presents influence of crystal structure singularity of Li(LiyFezV[math])O2 ([math], 0.03, 0.07, [math], 0.05, 0.1) on transport and electrochemical properties of the compounds.
      Citation: Functional Materials Letters
      PubDate: 2016-06-14T07:11:05Z
      DOI: 10.1142/S179360471641006X
       
  • Enhancement of electrochemical performance of LiFePO4 nanoparticles by
           direct nanocoating with conductive carbon layers
    • Abstract: Functional Materials Letters, Ahead of Print.
      The results of simple and environmental-friendly method of the carbon nanocoatings on low-conductive cathode material have been shown in this work. The carbon nanocoatings were prepared during wet impregnation process of precursor derived from hydrophilic polymer based on poly([math]-vinylformamide) modified by pyromellitic acid. The crystal structures and morphology of all composites were characterized by X-ray powder diffraction (XRD), low temperature nitrogen adsorption/desorption measurements (N2-BET) and transmission electronic microscopy (TEM). The electrical properties of the obtained composites were examined by EC studies. The electrochemical performance was carried out in galvanostatic mode with stable charge–discharge current and performed in Li/Li[math]/(CCL/LiFePO[math] type cells. The process of formation CCL/LiFePO4 nanocomposite significantly enhances the electrical conductivity of the material and improves its capacity retention and electrochemical performance.
      Citation: Functional Materials Letters
      PubDate: 2016-06-14T07:11:03Z
      DOI: 10.1142/S1793604716410071
       
  • Pre- and post-oxidation treatment of titanium as a method of improving the
           response of TiO2-based photoanodes in PECs
    • Authors: Anita Trenczek-Zajac, Joanna Banas
      Abstract: Functional Materials Letters, Ahead of Print.
      TiO2-based photoanodes were prepared via thermal oxidation of titanium foils in air at 500–900[math]C. Some of them were pre-treated via etching with HCl prior to oxidation, and others post-treated by means of sensitization with Ag2S or CdS. XRD analysis revealed that the formation of rutile is observed even at 500[math]C. Etching prior to oxidation removes the Ti passivation layer and facilitates the oxidation process, and lowers the temperature at which the fundamental absorption edge is observed. The highest photocurrent values measured in a photoelectrochemical cell (PEC) were obtained for anodes etched prior to oxidation. Sensitization with CdS or Ag2S increased photocurrent drastically. It was demonstrated that pre- and post-treated TiO2-based photoanodes prepared in the process of thermal oxidation offer far better performance in PECs than those which had not been treated.
      Citation: Functional Materials Letters
      PubDate: 2016-05-30T12:06:32Z
      DOI: 10.1142/S1793604716410046
       
  • Structural properties and presence of protons in
           Ba[math]Gd[math]Zr[math]SnxInyO[math] perovskites
    • Abstract: Functional Materials Letters, Ahead of Print.
      In this work, structural characterization of selected perovskite-type compounds from Ba[math]Gd[math]Zr[math]SnxInyO[math] group is given, including high temperature XRD measurements. An evidence of water incorporation into the crystal structure of the materials in a form of OH[math] is discussed on a basis of thermogravimetric studies, with mass spectroscopy analysis of the gases released from samples on heating/cooling. As expected, oxygen non-stoichiometry was found to play a dominant role concerning possibility of water uptake. In addition, a rather strong affinity of the materials towards CO2 was documented, which seems to be a problem concerning possible application of the compounds as proton conducting solid electrolytes.
      Citation: Functional Materials Letters
      PubDate: 2016-05-30T12:06:32Z
      DOI: 10.1142/S1793604716410058
       
  • Preliminary study of structural changes in Li2MnSiO4 cathode material
           during electrochemical reaction
    • Abstract: Functional Materials Letters, Ahead of Print.
      In this paper, we present exsitu observations of a structure of particular Li2MnSiO4 grains at different states of charge (SOC). The goal of these studies is structural analysis of Li2MnSiO4 cathode material for Li-ion batteries at different stages of electrochemical reaction using transmission electron microscopy. Performed analysis suggests that amorphization process of Li2MnSiO4 is not directly connected with lithium ions deintercalation but with additional electrochemical reactions running in the working cell.
      Citation: Functional Materials Letters
      PubDate: 2016-05-17T03:11:18Z
      DOI: 10.1142/S1793604716410034
       
  • A- and B-site doping effect on physicochemical properties of
           Sr[math]BaxMMoO6 (M[math] Mg, Mn, Fe) double perovskites — candidate
           anode materials for SOFCs
    • Abstract: Functional Materials Letters, Ahead of Print.
      In this work, we evaluate the physicochemical properties of Sr[math]BaxMMoO6 (M [math] Mg, Mn, Fe) double perovskites as alternative anode materials for solid oxide fuel cells, for which the effect of substitution of strontium by barium in a full range of compositions is studied. The crystal structure, microstructure, characterization of transport properties (electrical conductivity, Seebeck coefficient) and oxygen content as a function of temperature, as well as chemical stability in oxidizing and reducing conditions are discussed. Fe- and Mo-containing Sr[math]BaxFeMoO6 oxides show very high total conductivities with values of 100–1000 S[math][math]cm[math], while Sr[math]BaxMgMoO6 present good redox stability.
      Citation: Functional Materials Letters
      PubDate: 2016-05-17T03:11:18Z
      DOI: 10.1142/S1793604716410022
       
 
 
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