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MXene-Enhanced Deep Ultraviolet Photovoltaic Performances of Crossed Zn2GeO4 Nanowires

文献类型：期刊论文

作者Guo, Silin2,3; Kang, Shuai1,2,3; Feng, Shuanglong1,2,3; Lu, Wenqiang1,2,3
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2020-02-27
卷号124期号:8页码:4764-4771
ISSN号1932-7447
DOI10.1021/acs.jpcc.0c01032
通讯作者Kang, Shuai(kangshuai@cigit.ac.cn) ; Lu, Wenqiang(wqlu@cigit.ac.cn)
英文摘要The Zn2GeO4 crystal is an ideal semiconductor for deep ultraviolet (DUV) detection due to its wide band gap of similar to 4.69 eV. To further improve its DUV performance, two-dimensional (2D) MXenes with high electrical conductivity, potentially tunable electronic structure, and nonlinear optical properties were applied on crossed Zn2GeO4 nanowire (NW) network materials. The results presented here show that the DUV detectors based on Zn2GeO4/MXene hybrid nanostructures exhibited excellent optoelectronic performances with a largest responsivity of 20.43 mA/W and external quantum efficiency (EQE) of 9.9% under 254 nm wavelength light illumination. The excellent optical performance is from the synergistic effect of MXene and Zn2GeO4 nanowires. The metallic property of MXene provides a fast electron transport for Zn2GeO4/MXene, which leads to a larger photocurrent and a fast photoresponse. The construction of unique semiconductive conductive networks and large interfaces of Zn2GeO4 NWs, MXene layers, and the interfaces between them also promotes photoinduced electron hole separation in the sample. Considering a large number of members in MXene, this study demonstrates a new strategy applicable for maximizing their applications in deep ultraviolet photodetectors.
资助项目CIGIT Young Innovators Awards[Y82A240H10] ; Chongqing Innovators Program for Returned Overseas Scholars[cx2018152] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2019374] ; Program for Basic Science and Frontier Technology in Chongqing[cstc2019jcyj-msxmX0684] ; Program for Basic Science and Frontier Technology in Chongqing[2019-3] ; Special Funds for Developing Local Science and Technology from Central Government[Y82Z230H10]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000517672900046
出版者AMER CHEMICAL SOC
源URL[http://119.78.100.138/handle/2HOD01W0/10533]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Kang, Shuai; Lu, Wenqiang
作者单位1.Univ Chinese Acad Sci, Chongqing Sch, Chongqing 400714, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Silin,Kang, Shuai,Feng, Shuanglong,et al. MXene-Enhanced Deep Ultraviolet Photovoltaic Performances of Crossed Zn2GeO4 Nanowires[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2020,124(8):4764-4771.
APA Guo, Silin,Kang, Shuai,Feng, Shuanglong,&Lu, Wenqiang.(2020).MXene-Enhanced Deep Ultraviolet Photovoltaic Performances of Crossed Zn2GeO4 Nanowires.JOURNAL OF PHYSICAL CHEMISTRY C,124(8),4764-4771.
MLA Guo, Silin,et al."MXene-Enhanced Deep Ultraviolet Photovoltaic Performances of Crossed Zn2GeO4 Nanowires".JOURNAL OF PHYSICAL CHEMISTRY C 124.8(2020):4764-4771.

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来源：重庆绿色智能技术研究院

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