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首页> 外文期刊>RSC Advances >Star-shaped carbazole-based BODIPY derivatives with improved hole transportation and near-infrared absorption for small-molecule organic solar cells with high open-circuit voltages
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Star-shaped carbazole-based BODIPY derivatives with improved hole transportation and near-infrared absorption for small-molecule organic solar cells with high open-circuit voltages

机译：基于星形咔唑的BODIPY衍生物，具有改进的孔运输和具有高开路电压的小分子有机太阳能电池的近红外吸收

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摘要

A series of tunable absorbing star-shaped BODIPY derivatives containing a different number of carbazole units were designed and synthesized. With the extended conjugated skeleton, their absorption spectra become progressively bathochromic shifted from the red region to the near-infrared region. The compound TAC with four carbazole units exhibits a strong near-infrared absorption up to 850 nm with a high extinction coefficient over 135 000 M-1 cm(-1) and considerable intrinsic hole mobility of 4.82 x 10(-5) cm(2) V-1 s(-1) in SCLC devices. The near-infrared organic solar cells (OSCs) based on TAC exhibit a potential power conversion efficiency of 2.70% and a high open-circuit voltage of 0.85 V.
机译：设计并合成了一系列含有不同数量的咔唑单元的可调谐吸收星形Bodipy衍生物。 利用延伸的共轭骨架，它们的吸收光谱从红色区域转移到近红外区域的逐渐变化。 具有四个咔唑单元的化合物TAC具有强度近红外吸收，高达850nm，具有超过135000 m-1cm（-1）的高消光系数，并且具有4.82×10（-5）厘米的相当大的内在空穴迁移率（2 SCLC设备中的V-1 S（-1）。 基于TAC的近红外有机太阳能电池（OSC）表现出2.70％的潜在功率转换效率，高开路电压为0.85V。

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  • 来源
    《RSC Advances》 |2015年第41期|共7页
  • 作者

    Zhang Xinfu; Zhang Youdi; Chen Lingcheng; Xiao Yi;

  • 作者单位

    Dalian Univ Technol State Key Lab Fine Chem Dalian 116024 Peoples R China;

    Dalian Univ Technol State Key Lab Fine Chem Dalian 116024 Peoples R China;

    Dalian Univ Technol State Key Lab Fine Chem Dalian 116024 Peoples R China;

    Dalian Univ Technol State Key Lab Fine Chem Dalian 116024 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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