Enhancing and Broadening the Photoresponse of Monolayer MoS2 Based on Au Nanoslit Array
文献类型：期刊论文
| 作者 | Sun, Feiying; Nie, Changbin; Fu, Jintao; Xiong, Wen; Zhi, Yizhou; Wei, Xingzhan
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| 刊名 | ACS APPLIED MATERIALS & INTERFACES
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| 出版日期 | 2022-06-08 |
| 卷号 | 14期号:22页码:26245-26254 |
| 关键词 | TMDs Au nanoslit array carrier collection local enhancement photoelectric conversion |
| ISSN号 | 1944-8244 |
| DOI | 10.1021/acsami.2c05038 |
| 通讯作者 | Wei, Xingzhan(weixingzhan@cigit.ac.cn) |
| 英文摘要 | Two-dimensional molybdenum disulfide (MoS2), featuring unique optoelectronic properties, has attracted tremendous interest in developing novel photodetection devices. However, the limited light absorption and small carrier transport rate of the monolayer MoS2 result in low photoresponse, and the large band gap limits its detection range in the visible region. In this study, we propose a nanoslit array-MoS2 hybrid device architecture with enhanced and broadened photoresponse. The nanoslit array can localize free-space light to achieve strong interactions with MoS2 , and acts as the channel to improve charge transport. As a result, the Au nanoslit array-MoS2 hybrid detector exhibits a nearly 100-fold increase in photocurrent compared to the pure MoS2 device. More importantly, the hybrid device can broaden the photoresponse to the optical communication band of 1550 nm which is lower than the band gap of MoS2, by efficiently utilizing the hot carriers generated by the Au nanoslits. The experimental results are supported by both theoretical analysis and numerical simulation. Since our demonstration leverages the engineering of the hybrid photodetectors with metal nanostructures rather than semiconductor materials, it should be universal and applicable to other devices for broadband, high-efficiency photoelectric conversion. |
| 资助项目 | NSFC[62074021] ; Natural Science Foundation Project of CQ CSTC[cstc2019jcyjjqX0017] ; Chongqing Talents Innovation and Entrepreneur Leaders Project[CQYC201903020] ; National Key R&D Program of China[2017YFE0131900] |
| WOS研究方向 | Science & Technology - Other Topics ; Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000810005900001 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://119.78.100.138/handle/2HOD01W0/16199]  |
| 专题 | 中国科学院重庆绿色智能技术研究院 |
| 通讯作者 | Wei, Xingzhan |
| 作者单位 | Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Feiying,Nie, Changbin,Fu, Jintao,et al. Enhancing and Broadening the Photoresponse of Monolayer MoS2 Based on Au Nanoslit Array[J]. ACS APPLIED MATERIALS & INTERFACES,2022,14(22):26245-26254. |
| APA | Sun, Feiying,Nie, Changbin,Fu, Jintao,Xiong, Wen,Zhi, Yizhou,&Wei, Xingzhan.(2022).Enhancing and Broadening the Photoresponse of Monolayer MoS2 Based on Au Nanoslit Array.ACS APPLIED MATERIALS & INTERFACES,14(22),26245-26254. |
| MLA | Sun, Feiying,et al."Enhancing and Broadening the Photoresponse of Monolayer MoS2 Based on Au Nanoslit Array".ACS APPLIED MATERIALS & INTERFACES 14.22(2022):26245-26254. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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