期刊
APPLIED PHYSICS LETTERS
卷 108, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4939442
关键词
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资金
- National Natural Science Foundation of China [21373065, 61474033]
- 973 Program of the Ministry of Science and Technology of China [2012CB934103]
- Beijing Natural Science Foundation [2144059]
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication
- K. C. Wong Education Foundation
Both high speed and efficiency of photoelectric conversion are essential for photodetectors. As an emerging layered metal dichalcogenide (LMD), tin disulfide owns intrinsic faster photodetection ability than most other LMDs but poor light absorption and low photoelectric conversion efficiency. We develop an efficient method to enhance its performance by constructing a SnS2-copper indium sulfide hybrid structure. As a result, the responsivity reaches 630A/W, six times stronger than pristine SnS2 and much higher than most other LMDs photodetectors. Additionally, the photocurrents are enhanced by more than 1 order of magnitude. Our work may open up a pathway to improve the performance of photodetectors based on LMDs. (C) 2016 AIP Publishing LLC.
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