Changchun Institute of Optics,Fine Mechanics and Physics,CAS
High-performance flexible UV photodetector based on self-supporting ZnO nano-networks fabricated by substrate-free chemical vapor deposition | |
Z. Zheng; K. Liu; X. Chen; B. Qiao; H. Ma; D. Liu; L. Liu and D. Shen | |
2021 | |
发表期刊 | Nanotechnology
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ISSN | 9574484 |
卷号 | 32期号:47 |
摘要 | Self-supporting ZnO nano-networks have been demonstrated by a substrate-free chemical vapor deposition process for the application as flexible ultraviolet (UV) photodetector. The device shows a responsivity of 300 mA W-1 over a wide wavelength range from 254 to 365 nm and a high UV/visible rejection ratio of more than 104. More interestingly, a short 90%-10% decay time of 0.12 s can be observed in the air atmosphere, and the current can fully recover to its original dark value within 1 s after switching off the light. The quick response speed should be associated with the wire-wire junction barriers and the adsorption/desorption process of oxygen molecules on the oxygen vacancies near the surface of the ZnO. In addition, the photocurrent, the dark current and the response speed of the ZnO nano-networks flexible UV photodetector nearly stay the same under different bending conditions, suggesting the excellent photoelectric stability and repeatability. Such a simple and cheap way for fabricating self-supporting ZnO-based devices has broad application prospects in the fields of flexible and wearable electronic devices. 2021 IOP Publishing Ltd. |
DOI | 10.1088/1361-6528/ac1bda |
URL | 查看原文 |
收录类别 | SCI ; EI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/65296 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | Z. Zheng,K. Liu,X. Chen,et al. High-performance flexible UV photodetector based on self-supporting ZnO nano-networks fabricated by substrate-free chemical vapor deposition[J]. Nanotechnology,2021,32(47). |
APA | Z. Zheng.,K. Liu.,X. Chen.,B. Qiao.,H. Ma.,...&L. Liu and D. Shen.(2021).High-performance flexible UV photodetector based on self-supporting ZnO nano-networks fabricated by substrate-free chemical vapor deposition.Nanotechnology,32(47). |
MLA | Z. Zheng,et al."High-performance flexible UV photodetector based on self-supporting ZnO nano-networks fabricated by substrate-free chemical vapor deposition".Nanotechnology 32.47(2021). |
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