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《CuxS counter electrodes in-situ prepared via the sulfidation of magnetron sputtering Cu film for quantum dot sensitized solar cells》

  • 来源专题：广州能源研究所信息监测
  • 编译者： giecinfo
  • 发布时间：2016-04-14

  • The nanosheet-structured CuxS thin films used as counter electrodes (CEs) for CdS/CdSe quantum dot sensitized solar cells (QDSSCs) have been in situ prepared via the sulfidation of Cu nanoparticles deposited on F-doped SnO2 glass (FTO glass) substrate by magnetron sputtering method. The thickness of the deposited Cu film affects the morphology and thickness of the obtained CuxS films. The CuxS nanosheet films have good adhesion with FTO glass and the surface exhibits uniform morphology. The characteristics of QDSSCs are studied in more detail by photocurrent-voltage performance measurements, incident photon-to-current conversion efficiency (IPCE) and electrochemical impedance spectroscopy (EIS). The CuxS on FTO glass (CuxS/FTO) CEs show much higher power conversion efficiency (PCE) and IPCE than those of the Pt on FTO (Pt/FTO) CE because of their superior carrier mobility and electro-catalytic ability for the polysulfide redox reactions. Based on an optimal CuxS film thickness of 2.7 μm obtained by the sulfidation of the Cu film thickness of 300 nm on FTO, the best photovoltaic performance with PCE of 3.67% (Jsc = 16.47 mA cm−2, Voc = 0.481 V, FF = 0.46) under full one-sun illumination is achieved.

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  • 《Wearable Solar Cells by Stacking Textile Electrodes?》
    • 来源专题：绿色印刷—可穿戴电子
    • 编译者：张宗鹏
    • 发布时间：2016-04-13
    • Abstract A new and general method to produce flexible, wearable dye-sensitized solar cell (DSC) textiles by the stacking of two textile electrodes has been developed. A metal–textile electrode that was made from micrometer-sized metal wires was used as a working electrode, while the textile counter electrode was woven from highly aligned carbon nanotube fibers with high mechanical strengths and electrical conductivities. The resulting DSC textile exhibited a high energy conversion efficiency that was well maintained under bending. Compared with the woven DSC textiles that are based on wire-shaped devices, this stacked DSC textile unexpectedly exhibited a unique deformation from a rectangle to a parallelogram, which is highly desired in portable electronics. This lightweight and wearable stacked DSC textile is superior to conventional planar DSCs because the energy conversion efficiency of the stacked DSC textile was independent of the angle of incident light.
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  • 《Production of Cu/Zn Nanoparticles by Pulsed Laser Ablation in Liquids and Sintered Cu/Zn Alloy》
    • 来源专题：现代化工
    • 编译者：武春亮
    • 发布时间：2024-07-25
    • Registration Log In For Libraries For Publication Downloads News About Us Contact Us For Libraries For Publication Downloads News About Us Contact Us Search Paper Titles Construction of Ternary Heterostructured NaNbO3/Bi2S3/ Ag Nanorods with Synergistic Pyroelectric and Photocatalytic Effects for Enhanced Catalytic Performance p.1 Magnetic Nitrogen-Doped Fe3C@ c Catalysts for Efficient Activation of Peroxymonosulfate for Degradation of Organic Pollutants p.17 Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study p.33 Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures p.49 Correlation between Crystallite Characteristics and the Properties of Copper Thin Film Deposited by Magnetron Sputtering: Bias Voltage Effect p.65 Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (μ-TiO2)/(Nano-CaCO3) p.79 Production of Cu/Zn Nanoparticles by Pulsed Laser Ablation in Liquids and Sintered Cu/Zn Alloy p.91 HomeJournal of Nano ResearchJournal of Nano Research Vol. 83Production of Cu/Zn Nanoparticles by Pulsed Laser... Production of Cu/Zn Nanoparticles by Pulsed Laser Ablation in Liquids and Sintered Cu/Zn Alloy Article Preview Abstract: As a preliminary step to establish technology for fabricating High-Entropy Alloys (HEAs) that can make a large-scale HEA using a pulse laser with high peak intensity and high-repetition in the future, we fabricated alloys in which two types of metal atom are mixed close together in the order of nanometers. For the method to produce the alloy, metal alloy nanoparticles were prepared by irradiating the material in liquid with focused high-repetition Q-switched laser pulses using an in-liquid laser ablation method. When brass powder was used as an original material, analysis results by TEM showed that numerous nanoparticles mixed with copper and zinc atoms could be produced. Furthermore, it was clarified by SEM EDS that copper and zinc atoms in the nanoalloy were maintained at a ratio of 3:1 in sintered alloy, and that the atoms were spatially uniformly distributed over a wide range in sintered metal. Access through your institution Add to Cart You might also be interested in these eBooks View Preview Info: Periodical: Journal of Nano Research (Volume 83) Pages: 91-108 DOI: https://doi.org/10.4028/p-Bo8Als Citation: Cite this paper Online since: July 2024 Authors: Taku Saiki, Mitsuru Inada Keywords: Brass Powder, Cu/Zn Alloy, High-Entropy Alloys (HEA), Laser Ablation in Liquids, Metal nanoparticles Export: RIS, BibTeX Price: Permissions: Request Permissions Share: - Corresponding Author References [1] Haruyuki Inui, High-Entropy Alloy, Uchidaroukakuho, Tokyo, 2020. Google Scholar [2] S.-H. Joo, J. W. Bae, W.-Y. Park, Y. Shimada, T. Wada, H. S. Kim, A. Takeuchi, T. J. Konno, H. Kato, I. V. 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