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首页> 外文期刊>Advanced Functional Materials >A Versatile Fluoro-Containing Low-Bandgap Polymer for Efficient Semitransparent and Tandem Polymer Solar Cells
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A Versatile Fluoro-Containing Low-Bandgap Polymer for Efficient Semitransparent and Tandem Polymer Solar Cells

机译：用于高效半透明和串联聚合物太阳能电池的多功能含氟低带隙聚合物

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摘要

The versatility of a fluoro-containing low band-gap polymer, poly[2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b']dithiophene)-alt-4,7-(5-fluoro-2,1,3-benzothia-diazole)] (PCPDTFBT) in organic photovoltaics (OPVs) applications is demonstrated. High boiling point 1,3,5-trichlorobenzene (TCB) is used as a solvent to manipulate PCPDTFBT:[6,6]-phenyl-C_(71)-butyric acid methyl ester (PC_(71)BM) active layer morphology to obtain high-performance single-junction devices. It promotes the crystallization of PCPDTFBT polymer, thus improving the charge-transport properties of the active layer. By combining the morphological manipulation with interfacial optimization and device engineering, the single-junction device exhibits both good air stability and high power-conversion efficiency (PCE, of 6.6%). This represents one of the highest PCE values for cyclopenta[2,1-b;3,4-b']dithiophene (CPDT)-based OPVs. This polymer is also utilized for constructing semitransparent solar cells and double-junction tandem solar cells to demonstrate high PCEs of 5.0% and 8.2%, respectively.
机译：含氟低带隙聚合物，聚[2,6-（4,4-双（2-乙基己基）-4H-环戊[2,1-b; 3,4-b']二噻吩）的多功能性证明了在有机光伏（OPV）应用中的-alt-4,7-（5-氟-2,1,3-苯并噻二唑）]（PCPDTFBT）。高沸点1,3,5-三氯苯（TCB）用作溶剂来控制PCPDTFBT：[6,6]-苯基-C_（71）-丁酸甲酯（PC_（71）BM）活性层的形态获得高性能的单结器件。它促进了PCPDTFBT聚合物的结晶，从而改善了活性层的电荷传输性能。通过将形态控制与界面优化和设备工程相结合，该单结设备既具有良好的空气稳定性，又具有较高的功率转换效率（PCE为6.6％）。这代表基于环戊五[2,1-b; 3,4-b']二噻吩（CPDT）的OPV的最高PCE值之一。该聚合物还用于构建半透明太阳能电池和双结串联太阳能电池，分别显示出5.0％和8.2％的高PCE。

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  • 来源
    《Advanced Functional Materials》 |2013年第40期|5084-5090|共7页
  • 作者

    Chih-Yu Chang; Lijian Zuo Hin-Lap Yip; Yongxi Li; Chang-Zhi Li; Chain-Shu Hsu; Yen-Ju Cheng; Hongzheng Chen; Alex K.-Y.Jen;

  • 作者单位

    Department of Materials Science and Engineering University of Washington Seattle, USA,Department of Applied Chemistry National Chiao Tung University 1001 Ta Hseuh Road, Hsin-Chu, 30010, Taiwan;

    Department of Materials Science and Engineering University of Washington Seattle, USA,State Key Laboratory of Silicon Materials MOE Key Laboratory of Macromolecule Synthesis and Functionalization Zhejiang-California International Nanosystems Institute Zhejiang University Hangzhou, 310027, PR China;

    Department of Materials Science and Engineering University of Washington Seattle, USA;

    Department of Materials Science and Engineering University of Washington Seattle, USA;

    Department of Materials Science and Engineering University of Washington Seattle, USA,Department of Applied Chemistry National Chiao Tung University 1001 Ta Hseuh Road, Hsin-Chu, 30010, Taiwan;

    Department of Applied Chemistry National Chiao Tung University 1001 Ta Hseuh Road, Hsin-Chu, 30010, Taiwan;

    State Key Laboratory of Silicon Materials MOE Key Laboratory of Macromolecule Synthesis and Functionalization Zhejiang-California International Nanosystems Institute Zhejiang University Hangzhou, 310027, PR China;

    Department of Materials Science and Engineering University of Washington Seattle, USA;

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