Oxygen plasma assisted enhanced photoresponse of ZnO nanowires fabricated by catalyst-free chemical vapor deposition.
Oxygen plasma assisted enhanced photoresponse of ZnO nanowires fabricated by catalyst-free chemical vapor deposition.
复制标题
氧血浆辅助增强的ZnO纳米线的光增强响应是通过无催化剂化学蒸气沉积制造的。
DOI:
10.1039/c8ra05040f
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发表时间:
2018-08-14
期刊:
影响因子:
3.9
通讯作者:
Lu, Wenqiang
中科院分区:
文献类型:
--
作者:
Jiang, Haitao;Liu, Shibin;Liang, Liyuan;Lu, Wenqiang
In this paper, in order to enhance the performance of fabricated ZnO nanowires (NWs) by chemical vapor deposition (CVD) without catalysts, oxygen plasma was used to modify the ZnO nanowire-based interdigital microelectrode array photodetectors (IDA-PDs) at different times. The surface states of ZnO NWs with O2 plasma treatment were characterized via X-ray photoelectron spectroscopy (XPS). Results showed that the photocurrent of the IDA-PDs continuously increased from 4 to 28 μA as the plasma-treatment time increased from 0 to 10 minutes. The response mechanism of O2 plasma treated ZnO NWs was investigated by illustrating the intensity of the surface oxygen atoms of ZnO NWs.This sample handling method can be beneficial in improving the performance of semiconductor photodetectors. Photocurrent of the ZnO nanowire-based photodetectors was enhanced 8 times by modifying the surface of nanowires with oxygen plasma.
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