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首页> 外文期刊>Materials Science and Engineering >Enhanced efficiency of polymer solar cells by structure-differentiated silver nano-dopants in solution-processed tungsten oxide layer
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Enhanced efficiency of polymer solar cells by structure-differentiated silver nano-dopants in solution-processed tungsten oxide layer

机译：溶液加工氧化钨层中结构差异化的银纳米掺杂剂提高了聚合物太阳能电池的效率

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摘要

In this article, we creatively incorporate naked Ag nanoparticles (nAgp), SiO_2-covered Ag nanoparticles (SiAgp), and naked Ag nanoplates (nAgPl) into solution-processed tungsten oxide (WO_3) hole transport layer in polymer solar cells (PSCs) to increase the light absorption through localized surface plasmon resonance (LSPR) effect With optimized doping concentrations, nAgp decreases power conversion efficiency (PCE), however, SiAgp increases PCE by 13.2% and nAgPl increases PCE by 19.7%. In detail, the great PCEs discrepancies are mainly caused by the discrepancies of short circuit currents (J_(sc)). The experiments results indicate that the naked surface of nAgp causes the exciton-quenching to decrease the J_(sc) of PSCs. Whereas the capsulation of SiO_2 at the surface of nAgp and the embedment of nAgPl in WO_3 layer can prevent the exciton-quenching and help to use LSPR effect of Ag nano-dopants to enhance the J_(sc) of PSCs.
机译：在本文中，我们创造性地将裸银纳米颗粒（nAgp），覆盖SiO_2的银纳米颗粒（SiAgp）和裸银纳米板（nAgPl）纳入到聚合物太阳能电池（PSC）的溶液处理氧化钨（WO_3）空穴传输层中，通过局部表面等离振子共振（LSPR）效应增加光吸收通过优化掺杂浓度，nAgp降低了功率转换效率（PCE），但是，SiAgp使PCE增加了13.2％，nAgPl使PCE增加了19.7％。详细而言，PCE的巨大差异主要是由短路电流（J_（sc））的差异引起的。实验结果表明，nAgp的裸露表面导致激子猝灭降低了PSC的J_（sc）。 SiO_2在nAgp表面的包封和nAgPl在WO_3层的嵌入可以防止激子猝灭，并有助于利用Ag纳米掺杂剂的LSPR效应来增强PSC的J_（sc）。

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  • 来源
    《Materials Science and Engineering》 |2016年第4期|61-68|共8页
  • 作者

    Wenfei Shen; Jianguo Tang; Die Wang; Renqiang Yang; Weichao Chen; Xichang Bao; Yao Wang; Jiqing Jiao; Yanxin Wang; Zhen Huang; Linjun Huang; Jixian Liu; Wei Wang; Pinghui Wu; Laurence A. Belfiore;

  • 作者单位

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, PR China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, PR China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao 266101, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China;

    State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, PR China;

    Institute of Hybrid Materials, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, PR China,Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO 80523, USA;

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  • 正文语种 eng
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  • 关键词

    Polymer solar cells; Plasmon; Silver nanoparticles; Tungsten oxide layer; Excitons quenching;

    机译：聚合物太阳能电池;等离子银纳米颗粒;氧化钨层;激子淬灭;

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