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首页> 外文期刊>RSC Advances >Three-dimensional ZnO porous films for self-cleaning ultraviolet photodetectors
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Three-dimensional ZnO porous films for self-cleaning ultraviolet photodetectors

机译：用于自清洁紫外光电探测器的三维ZnO多孔膜

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摘要

Three-dimensional (3D) ZnO porous films composed of an interconnected skeleton were fabricated successfully through atomic layer deposition method using carbon nanoparticles as template. After surface modification, they showed an excellent superhydrophobic property with a contact angle larger than 160 degrees and a sliding angle less than 1 degrees. Based on the superhydrophobic 3D ZnO porous films, self-cleaning ultraviolet photodetector devices were fabricated. The devices exhibited a rise time of 42.03 s, a recovery time of 5.84 s and a responsivity of 9 mA W-1 at a 5 V bias under a low light illumination of 14.38 mu W cm(-2). The mechanism for the enhanced ultraviolet photoresponse from ZnO porous films is discussed.
机译：以碳纳米粒子为模板，通过原子层沉积法成功地制备了由相互连接的骨架组成的三维（3D）ZnO多孔膜。表面改性后，它们表现出优异的超疏水性，接触角大于160度，滑动角小于1度。基于超疏水3D ZnO多孔膜，制造了自清洁紫外光电探测器。该器件在14.38μWcm（-2）的弱光照射下，在5 V偏压下的上升时间为42.03 s，恢复时间为5.84 s，响应度为9 mA W-1。讨论了ZnO多孔膜增强紫外光响应的机理。

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