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首页> 外文期刊>Advanced Functional Materials >Stable Inverted Polymer/Fullerene Solar Cells Using a Cationic Polythiophene Modified PEDOT: PSS Cathodic Interface
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Stable Inverted Polymer/Fullerene Solar Cells Using a Cationic Polythiophene Modified PEDOT: PSS Cathodic Interface

机译：使用阳离子聚噻吩修饰的PEDOT的稳定的反型聚合物/富勒烯太阳能电池：PSS阴极界面

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摘要

A cationic and water-soluble polythiophene [poly[3-(6-pyridiniumylhexyl) thiophene bromide] (P3PHT~+Br~-)] is synthesized and used in combination with anionic poly(3,4-ethylenedioxythiophene):poly(p-styrenesulfonate) (PEDOT:PSS)~- to produce hybrid coatings on indium tin oxide (ITO). Two coating strategies are established: ⅰ) electrostatic layer-by-layer assembly with colloidal suspensions of (PEDOT:PSS)~- , and ⅱ) modification of an electrochemically prepared (PEDOT:PSS)~ film on ITO. The coatings are found to modify the work function of ITO such that it could act as a cathode in inverted 2,5-diyl-poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl-C_(61)-butyric acid methyl ester (PCBM) polymer photovoltaic cells. The interfacial modifier created from the layer-by-layer assembly route is used to produce efficient inverted organic photovoltaic devices (power conversion efficiency ～2%) with significant long-term stability in excess of 500 h.
机译：合成了一种阳离子型水溶性聚噻吩[聚[3-（6-吡啶基己基）噻吩溴化物]（P3PHT〜+ Br〜-）]，并与阴离子聚（3,4-乙撑二氧噻吩）：poly（p-苯乙烯磺酸盐（PEDOT：PSS）〜-在氧化铟锡（ITO）上生产混合涂层。建立了两种涂覆策略：ⅰ）用（PEDOT：PSS）〜-的胶体悬浮液进行静电逐层组装，以及ⅱ）在ITO上电化学制备（PEDOT：PSS）〜膜的改性。发现该涂层可改变ITO的功函数，使其可以用作倒置的2,5-二基-聚（3-己基噻吩）（P3HT）/ [6,6]-苯基-C_（61）-的阴极丁酸甲酯（PCBM）聚合物光伏电池。通过逐层组装的方式产生的界面改性剂可用于生产高效的倒置有机光伏器件（功率转换效率〜2％），并具有超过500小时的长期稳定性。

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  • 来源
    《Advanced Functional Materials》 |2010年第15期|P.2404-2415|共12页
  • 作者

    David A. Rider; rnBrian J. Worfolk; rnKenneth D. Harris; rnAbeed Lalany; rnKevin Shahbazi; rnMichael D. Fleischauer; rnMichael J. Brett; rnJillian M. Buriak;

  • 作者单位

    Department of Chemistry University of Alberta 11227 Saskatchewan Drive Edmonton, Alberta T6G 2G2 (Canada) NRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

    rnDepartment of Chemistry University of Alberta 11227 Saskatchewan Drive Edmonton, Alberta T6G 2G2 (Canada) NRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

    rnNRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

    rnDepartment of Electrical and Computer Engineering University of Alberta Edmonton, Alberta T6G 2V4 (Canada);

    rnNRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

    rnNRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

    rnNRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada) Department of Electrical and Computer Engineering University of Alberta Edmonton, Alberta T6G 2V4 (Canada);

    rnDepartment of Chemistry University of Alberta 11227 Saskatchewan Drive Edmonton, Alberta T6G 2G2 (Canada) NRC National Institute for Nanotechnology Edmonton, Alberta T6G 2M9 (Canada);

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