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首页> 外文期刊>Organic Electronics >High-gain broadband organolead trihalide perovskite photodetector based on a bipolar heterojunction phototransistor
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High-gain broadband organolead trihalide perovskite photodetector based on a bipolar heterojunction phototransistor

机译：基于双极异质结光电晶体管的高增益宽带有机铅三卤化物钙钛矿光电探测器

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摘要

Both a favorable material and designed structure are essential for a high-performance photodetector. For the excellent physical properties of organolead trihalide perovskites, with CH3NH3PbI3films serving as a base layer, a bipolar heterojunction phototransistor-type perovskite photodetector is proposed. Benefiting from this bipolar heterojunction structure, which is characterized by high gain and low work voltage, an optimized device exhibits high performance with a photoresponsivity of 125 AW−1and an external efficiency of 3.62 × 104% at 427 nm with a low work voltage of 0.7 V. Additionally, such phototransistors have a broad photoresponsivity from 360 to 820 nm. These results demonstrate that the bipolar heterojunction phototransistor, which is widely used in inorganic materials, is a promising structure for organolead trihalide perovskite optoelectronic devices, paving a new way for developing high-performance photodetectors.
机译：良好的材料和设计的结构对于高性能光电探测器都是必不可少的。针对有机铅三卤化物钙钛矿的优异物理性能，以CH3NH3PbI3薄膜为基础层，提出了一种双极异质结光电晶体管型钙钛矿光电探测器。得益于这种具有高增益和低工作电压的双极异质结结构，经过优化的器件具有高性能，光响应率为125 AW-1，在427 nm处的外部效率为3.62××104％，低工作电压为0.7。 V.另外，此类光电晶体管具有从360到820nm的宽光响应性。这些结果表明，广泛用于无机材料中的双极异质结光电晶体管是有机铅三卤化物钙钛矿光电器件的一种有前途的结构，为开发高性能光电检测器铺平了新途径。

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  • 来源
    《Organic Electronics》 |2018年第6期|7-13|共7页
  • 作者

    Sijian Yuan; Huotian Zhang; Pengfei Wang; Li Ling; Li Tu; Haizhou Lu; Jiao Wang; Yiqiang Zhan; Lirong Zheng;

  • 作者单位

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University;

    State Key Laboratory of ASIC and System, SIST, Fudan University,Royal Inst Technol KTH, iPack VINN Excellence Ctr;

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  • 正文语种 eng
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  • 关键词

    Organolead trihalide perovskite; Bipolar heterojunction phototransistor; Photodetector;

    机译：有机卤化三卤化物钙钛矿;双极异质结光电晶体管;光电探测器;

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