响应度
光电探测器
宽带
平方(代数)
光电效应
纳米管
材料科学
光电子学
吸收(声学)
基质(水族馆)
微晶
光学
纳米技术
碳纳米管
物理
复合材料
数学
冶金
几何学
地质学
海洋学
作者
Yuntian Gao,Zhentao Du,Xue Jiang,Jinju Zheng,Jialiang Jiang,Shaobo Ye,Bingsuo Zou,Tao Yang,Jialong Zhao
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2023-04-20
卷期号:6 (8): 7044-7054
被引量:7
标识
DOI:10.1021/acsanm.3c01209
摘要
Although the research on layered MoS2 photodetectors has made great progress, their poor light absorption ability and complex preparation process hinder their further commercial application. In the present work, we report the growth of MoS2 square nanotubes with high purity via a facile hydrothermal method for the first time. Microstructure characterization demonstrates that the cavity structure of the nanotubes can bring about a light trapping effect, thus obtaining a strong photoelectric performance. The as-constructed MoS2 square nanotube photodetector with a paper substrate displays a broadband response with a detection range of 375 to 915 nm. It exhibits excellent performance with a high responsivity of 2.33 mA/W under 915 nm light irradiation, which is comparable to the best ones ever reported for polycrystalline MoS2 photodetectors.
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