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首页> 外文期刊>Advanced energy materials >A Systematic Approach to Solvent Selection Based on Cohesive Energy Densities in a Molecular Bulk Heterojunction System
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A Systematic Approach to Solvent Selection Based on Cohesive Energy Densities in a Molecular Bulk Heterojunction System

机译：分子本体异质结系统中基于内聚能密度的溶剂选择系统方法

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摘要

The solubilities of 3,6-bis(5-(benzofuran-2-yl)thiophen-2-yl)-2,5-bis(2-ethylhexyl)pyrrolo[3,4-c]pyrrole-1,4-dione (DPP(TBFu)2) and [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) in a series of solvents are measured, and this data is used to calculate the Hansen solubility parameters of the two materials. The dispersion, polar, and H-bonding parameters of DPP(TBFu)2 and PC71BM were found to be (19.3, 4.8, 6.3) and (20.2, 5.4, 4.5) MPa1/2, respectively, with an error of ± 0.8 MPa1/2. Based on the solubility properties of the two materials, three new solvents (thiophene, trichloroethylene and carbon disulfide) were utilized for the DPP(TBFu)2:PC71BM system which, after device optimization, led to power conversion efficiencies up to 4.3%.
机译：3,6-双（5-（苯并呋喃-2-基）噻吩-2-基）-2,5-双（2-乙基己基）吡咯并[3,4-c]吡咯-1,4-二酮的溶解度测量了一系列溶剂中的（DPP（TBFu）2）和[6,6]-苯基-C71-丁酸甲酯（PC71BM），该数据用于计算两种材料的汉森溶解度参数。发现DPP（TBFu）2和PC71BM的色散，极性和H键参数分别为（19.3、4.8、6.3）和（20.2、5.4、4.5）MPa1 / 2，误差为±0.8 MPa1 / 2。基于两种材料的溶解度特性，DPP（TBFu）2：PC71BM系统使用了三种新的溶剂（噻吩，三氯乙烯和二硫化碳），经过装置优化后，功率转换效率高达4.3％。

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  • 来源
    《Advanced energy materials》 |2011年第2期|1-9|共9页
  • 作者

    Bright Walker; Arnold Tamayo; Duc T. Duong; Xuan-Dung Dang; Chunki Kim; Jimmy Granstrom; Thuc-Quyen Nguyen;

  • 作者单位

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

    Department of Chemistry and Geochemistry Colorado School of Mines 1500 Illinois Street Golden CO 80401 USA;

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

    Center for Polymers and Organic Solids Department of Chemistry and Biochemistry University of California at Santa Barbara Santa Barbara CA 93106 USA;

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  • 正文语种 eng
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  • 关键词

    organic solar cells; phase separation; film morphology; Hansen solubility parameters; bulk heterojunctions; cohesive energy density;

    机译：有机太阳能电池;相分离;膜形态;Hansen溶解度参数;本体异质结;内聚能密度;

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