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首页> 外文期刊>Chemical Physics Letters >ZnO homojunction ultraviolet photodetector based on p-type dual-doped film and n-type nanorods
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ZnO homojunction ultraviolet photodetector based on p-type dual-doped film and n-type nanorods

机译:基于p型双掺杂膜和n型纳米棒的ZnO同质结紫外光电探测器

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ZnO:(Ag,N)ZnO p-n homojunction was fabricated by depositing a ZnO:(Ag,N) film on vertically aligned ZnO nanorods (NRs). The homojunction is able to work as a self-powered device due to the photovoltaic effect, and the ZnO NRs play an important role in the photovoltaic conversion process. Current-voltage (I-V) characteristic shows a turn-on voltage of similar to 3 V and a rectification ratio of 1.3 x 10(2) at 5 V. Spectral responsivity exhibits an UV-to-visible rejection ratio of 1 x 10(2). The photocurrent rise and decay times are 7 and 45 ms, respectively. These results indicate the ZnO:(Ag,N)/ZnO homojunction is an attractive candidate for high-performance self-powered UV photodetectors. (C) 2014 Elsevier B.V. All rights reserved.
机译:通过在垂直排列的ZnO纳米棒(NRs)上沉积ZnO:(Ag,N)膜来制造ZnO:(Ag,N)ZnO p-n同质结。由于光伏效应,同质结能够用作自供电设备,并且ZnO NR在光伏转化过程中起着重要作用。电流-电压(IV)特性显示接通电压接近3 V,在5 V时的整流比为1.3 x 10(2)。光谱响应度表现出1 x 10(2)的紫外-可见光抑制比)。光电流的上升和下降时间分别为7 ms和45 ms。这些结果表明,ZnO:(Ag,N)/ ZnO同质结是高性能自供电UV光电探测器的诱人候选人。 (C)2014 Elsevier B.V.保留所有权利。

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