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首页> 外文期刊>Advanced Functional Materials >Amorphous Zinc Stannate (Zn_2SnO_4) Nanofibers Networks as Photoelectrodes for Organic Dye-Sensitized Solar Cells
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Amorphous Zinc Stannate (Zn_2SnO_4) Nanofibers Networks as Photoelectrodes for Organic Dye-Sensitized Solar Cells

机译：非晶态锡酸锌（Zn_2SnO_4）纳米纤维网络作为有机染料敏化太阳能电池的光电极

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摘要

A new strategy for developing dye-sensitised solar cells (DSSCs) by combining thin porous zinc tin oxide (Zn_2SnO_4) fiber-based photoelectrodes with purely organic sensitizers is presented. The preparation of highly porous Zn_2SnO_4 electrodes, which show high specific surface area up to 124 m~2/g using electrospinning techniques, is reported. The synthesis of a new organic donor-conjugate-acceptor (D-π-A) structured orange organic dye with molar extinction coefficient of 44 600 M~(-1) cm~(-1) is also presented. This dye and two other reference dyes, one organic and a ruthenium complex, are employed lor the fabrication of Zn_2SnO_4 fiber-based DSSCs. Remarkably, organic dye-sensitized DSSCs displayed significantly improved performance compared to the ruthenium complex sensitized DSSCs. The devices based on a 3 μm-thick Zn_2SnO_4 electrode using the new sensitizer in conjunction with a liquid electrolyte show promising photovoltaic conversion up to 3.7% under standard AM 1.5G sunlight (100 mW cm~2). This result ranks among the highest reported for devices using ternary metal oxide electrodes.
机译：提出了一种新的策略，通过将基于多孔多孔氧化锌锡（Zn_2SnO_4）的光敏电极与纯有机敏化剂相结合来开发染料敏化太阳能电池（DSSC）。据报道，采用静电纺丝技术制备了高比表面积高达124 m〜2 / g的高孔隙率Zn_2SnO_4电极。还提出了一种新型的有机消光系数为44 600 M〜（-1）cm〜（-1）的有机供体-共轭受体（D-π-A）结构的橙色有机染料。该染料和另外两种参考染料，一种有机和钌配合物，可用于制备基于Zn_2SnO_4纤维的DSSC。值得注意的是，与钌配合物敏化的DSSC相比，有机染料敏化的DSSC显示出显着改善的性能。该器件基于3μm厚的Zn_2SnO_4电极，并使用新型敏化剂和液体电解质，在标准AM 1.5G阳光（100 mW cm〜2）下，光伏转换率有望达到3.7％。对于使用三元金属氧化物电极的设备，该结果名列最高。

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  • 来源
    《Advanced Functional Materials》 |2013年第25期|3146-3155|共10页
  • 作者

    Seung-Hoon Choi; Daesub Hwang; Dong-Young Kim; Yann Kervella; Pascale Maldivi; Sung-Yeon Jang; Renaud Demadrilie; Il-Doo Kim;

  • 作者单位

    Department of Chemical Engineering Hanyang University Seoul 133-791, Republic of Korea;

    Polymer Hybrid Center Korea Institute of Science and Technology P. O. Box 131. Cheonervane. Seoul 130-650. ReDublic of Korea;

    Polymer Hybrid Center Korea Institute of Science and Technology P. O. Box 131. Cheonervane. Seoul 130-650. ReDublic of Korea;

    INAC/SPrAM UMR 5819 CEA-CNRS-Univ.J.Fourier-Grenoble 1 LEMOH, 17Rue des Martyrs, 38054 Grenoble Cedex 9, France;

    INAC/SCIB UMR E3 CEA- Univ.J.Fourier-Grenoble 1 17 Rue des Martyrs, 38054 Grenoble Cedex 9, France;

    Department of Chemistry Kookmin University Seoul 136-702, Republic of Korea;

    INAC/SPrAM UMR 5819 CEA-CNRS-Univ.J.Fourier-Grenoble 1 LEMOH, 17Rue des Martyrs, 38054 Grenoble Cedex 9, France;

    Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology Daejeon 305-701, Republic of Korea;

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