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首页> 外文期刊>Organic Electronics >Fabrication of bifacial sandwiched heterojunction photoconductor - Type and MAI passivated photodiode - Type perovskite photodetectors
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Fabrication of bifacial sandwiched heterojunction photoconductor - Type and MAI passivated photodiode - Type perovskite photodetectors

机译：双层夹层杂交光电导体型和Mai钝化光电二极管型钙钛矿光电探测器的制备

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摘要

In this work, we report novel heterojunctions perovskite photodetector architecture utilizing metal-free contact electrodes. The metal-free contact electrodes were exploited to fabricate photoconductor - type perovskite photodetector. The attempt to investigate the effect of passivating the active layers of the as - proposed architecture with electrolytic MAI gave rise to a photodiode - type perovskite photodetector. These two photodetector types are sensitive and responsive to light sources through their dual transparent electrodes faces (N-face and T-face). We also showed that passivating the surfaces of the sandwiched perovskite layers with MAI solution improves the performance of the fabricated photodetectors, where the detectivity is enhanced by a factor of hundred compared to non-passivated devices. The proposed photodetectors architectures demonstrate champion dual-detectivity (1.77 × 10~(14) Jones for N-face and 4.64 × 10~(14) Jones for T-face), dual-responsivity (1.94 × 10~3 A/W for N-face and 1.61 × 10~3 A/W for T-face) and high dual - sensitivity (3.3 × 10~2 for N-face and 1.1 × 10~2 for T-face). All these properties were obtained from the two faces of the MAI passivated photodetectors under 0.02 mW/cm~2 red LED illumination and at -2.0 bias voltage. This novel architecture may scale up towards building energy and cost efficient classes of optoelectronic and photovoltaic devices which are responsive to light in two directions.
机译：在这项工作中，我们报告了利用无金属接触电极的新型异质杂交光电探测器架构。利用无金属接触电极来制造光电导体式钙钛矿光电探测器。试图研究与电解Mai的钝化架构的有源层钝化的效果，产生了光电二极管型钙耐电镀光电探测器。这两个光电探测器类型通过其双透明电极面（N面和T脸）敏感并响应光源。我们还表明，与Mai溶液的夹层钙钛矿层的表面钝化，提高了制造的光电探测器的性能，其中探测器与非钝化装置相比，探测率增强了一百个因素。建议的光电探测器架构展示了冠军双探测器（1.77×10〜（14）琼斯，用于N面，4.64×10〜（14）琼斯用于T-Face），双响应值（1.94×10〜3 A / W for N面为1.61×10〜3 A / W对于T-Face）和高度敏感度（3.3×10〜2，用于T-Face的1.1×10〜2）。从0.02mW / cm〜2红色LED照明和-2.0偏压下的MAI钝化光电探测器的两个面上获得所有这些性质。这种新颖的架构可以扩展到建造能量和成本效率的光电和光伏器件的响应于两个方向的光。

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  • 来源
    《Organic Electronics》 |2020年第9期|105730.1-105730.10|共10页
  • 作者

    AbdulJelili Popoola; Mohammed A. Gondal; Idris K. Popoola; Luqman E. Oloore; Osman M. Bakr;

  • 作者单位

    Laser Research Group Physics Department King Fahd University of Petroleum and Minerals P. O. Box 5047 Dhahran 31261 Saudi Arabia K.A.CARE Energy Research A Innovation Center King Fahd University of Petroleum and Minerals P.O. Box 5047 Dhahran 31261 Saudi Arabia;

    Laser Research Group Physics Department King Fahd University of Petroleum and Minerals P. O. Box 5047 Dhahran 31261 Saudi Arabia K.A.CARE Energy Research A Innovation Center King Fahd University of Petroleum and Minerals P.O. Box 5047 Dhahran 31261 Saudi Arabia;

    Laser Research Group Physics Department King Fahd University of Petroleum and Minerals P. O. Box 5047 Dhahran 31261 Saudi Arabia K.A.CARE Energy Research A Innovation Center King Fahd University of Petroleum and Minerals P.O. Box 5047 Dhahran 31261 Saudi Arabia;

    Laser Research Group Physics Department King Fahd University of Petroleum and Minerals P. O. Box 5047 Dhahran 31261 Saudi Arabia K.A.CARE Energy Research A Innovation Center King Fahd University of Petroleum and Minerals P.O. Box 5047 Dhahran 31261 Saudi Arabia;

    King Abdullah University of Science and Technology (KAUST) KAUST Solar Center Physical Sciences and Engineering Division (PSE) Thuwal 23955-6900 Saudi Arabia;

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  • 正文语种 eng
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  • 关键词

    Photoconductor; Photodiode; Bifacial; MAI Passivation; Perovskites; Photodetectors;

    机译：光电导体;光电二极管;双翼翼;麦钝化;Perovskites;光电探测器;

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