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Annealing-free P3HT:PCBM-based organic solar cells via two halohydrocarbons additives with similar boiling points

机译：通过两种沸点相似的卤代烃添加剂实现无退火的P3HT：PCBM基有机太阳能电池

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摘要

Efficient annealing-free inverted bulk heterojunction (BHJ) organic solar cells based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C_(G1)-butyric acid methyl ester (PCBM) (1:1, w/w) have been obtained using two easily accessible halohydrocarbons (1,6-dibromohexane (DBH) and 1-bromodecane (BD)) with the same boiling points as solvent additives. The devices treated with 2.5 wt% additives removed the grain boundary of the large PCBM-rich phase, resulting in more-uniform film morphology on the nanoscale. The more-uniform film morphology greatly improved the short circuit current density of the devices. Finally, PCEs of the devices processed with DBH and BD reached 3.81% and 3.68%, respectively. Both additives with almost the same boiling points had a similar impact on device performance, despite of different chemical structures with different polarities and other physical properties.
机译：基于聚（3-己基噻吩）（P3HT）和[6,6]-苯基C_（G1）-丁酸甲酯（PCBM）（1：1，w）的高效无退火反向本体异质结（BHJ）有机太阳能电池/ w）是使用两种沸点与溶剂添加剂相同的易于取用的卤代烃（1,6-二溴己烷（DBH）和1-溴modecane（BD））获得的。用2.5 wt％添加剂处理的器件去除了富含PCBM的大相的晶界，从而在纳米级上形成了更加均匀的薄膜形态。更均匀的薄膜形态极大地改善了器件的短路电流密度。最后，使用DBH和BD处理的设备的PCE分别达到3.81％和3.68％。尽管具有不同极性和其他物理特性的化学结构不同，但两种沸点几乎相同的添加剂对器件性能的影响相似。

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  • 来源
    《Materials Science and Engineering》 |2014年第2期|7-11|共5页
  • 作者

    Xichang Bao; Ting Wang; Ailing Yang; Chunpeng Yang; Xiaowei Dou; Weichao Chen; Ning Wang; Renqiang Yang;

  • 作者单位

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Department of Physics, Ocean University of China, Qingdao 266100, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

    Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Organic solar cells; Annealing-free; Halohydrocarbons additives; Interpenetrating networks;

    机译：有机太阳能电池;免退火卤代烃添加剂;互穿网络;

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