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Nanocrystalline Perovskite Hybrid Photodetectors with High Performance in Almost Every Figure of Merit

机译：几乎每一个优点都具有高性能的纳米晶钙钛矿混合光电探测器

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摘要

Conversion of photon into electron is a phenomenon of great importance in nature. Photodetectors based on this principle have immense potential applications at the frontiers of both scientific and industrial communities, thus affecting the daily life. Herein, a novel class of high-quality organic-inorganic trihalide perovskite nanoscale hybrid photodetectors is presented based on carbon electrode-molecule junctions working at mild conditions. Almost every figure of merit with high performance, such as highest responsivity, highest photogain, high detectivity, high linear dynamic range, and a broad spectral response, could be achieved simultaneously in a single device under different biases. These significant achievements benefit from rational choices of novel energy loss-prevented hybrid perovskite nanocrystals as active materials and optimized carbon electrode-molecule junctions as device architectures, which leads to a hybridization mechanism of photodiodes and photoconductors. These investigations demonstrate a useful photodetector platform that might lead to many future photoelectric conversion applications in the practical way.
机译：从光子到电子的转换在自然界是非常重要的现象。基于这一原理的光电探测器在科学和工业界的前沿都有巨大的潜在应用，从而影响了人们的日常生活。在此，基于在温和条件下工作的碳电极-分子结，提出了一类新型的高质量的有机-无机三卤化物钙钛矿纳米级混合光电探测器。几乎每一个具有高性能的品质因数，例如最高的响应度，最高的光增益，高的检测率，高的线性动态范围和宽广的光谱响应，都可以在单个器件上以不同的偏压同时实现。这些重大成就得益于合理选择防止能量损失的新型杂化钙钛矿纳米晶体作为活性材料，以及优化的碳电极-分子结作为器件架构，这导致了光电二极管和光电导体的杂交机制。这些研究表明了一个有用的光电检测器平台，该平台可能会以实用的方式导致许多未来的光电转换应用。

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  • 来源
    《Advanced Functional Materials》 |2018年第7期|129-139|共11页
  • 作者

    Lin Yuanwei; Lin Guoming; Sun Baoyun; Guo Xuefeng;

  • 作者单位

    Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China;

    Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China;

    Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China;

    Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China;

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

    carbon nanotubes; graphene; hybrid perovskites; photodetectors;

    机译：碳纳米管;石墨烯;混合钙钛矿;光电探测器;

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