Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Quenching of persistent photocurrent in an oxide UV photodetector | |
B. Qiao; Z. Zhang; X. Xie; B. Li; X. Chen; H. Zhao; K. Liu; L. Liu and D. Shen | |
2021 | |
发表期刊 | Journal of Materials Chemistry C |
ISSN | 20507534 |
卷号 | 9期号:11页码:4039-4045 |
摘要 | The sensitivity to weak light signals is a key parameter for UV photodetectors. However, a highly sensitive device has to suffer slow response speed (with photoconductive gain) or large noise current (with avalanche gain). In this work, a new type of photoconductive gain with controllable response speed is discovered in the Ga2O3photodetector. The persistent photocurrent can be quenched by a 500 s zero-voltage pulse. The photoconductive gain and the quenching of persistent photocurrent are respectively attributed to the forming and breaking of conductive filaments composed of oxygen vacancies. UV illumination has been demonstrated to accelerate the formation of the filament. This work provides a direction for the combination of speed-control and high sensitivity for photodiodes. The Royal Society of Chemistry 2021. |
DOI | 10.1039/d0tc05997h |
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/181722/65567 |
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 | B. Qiao,Z. Zhang,X. Xie,et al. Quenching of persistent photocurrent in an oxide UV photodetector[J]. Journal of Materials Chemistry C,2021,9(11):4039-4045. |
APA | B. Qiao.,Z. Zhang.,X. Xie.,B. Li.,X. Chen.,...&L. Liu and D. Shen.(2021).Quenching of persistent photocurrent in an oxide UV photodetector.Journal of Materials Chemistry C,9(11),4039-4045. |
MLA | B. Qiao,et al."Quenching of persistent photocurrent in an oxide UV photodetector".Journal of Materials Chemistry C 9.11(2021):4039-4045. |
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