期刊
JOURNAL OF MATERIALS SCIENCE
卷 54, 期 24, 页码 14720-14727出版社
SPRINGER
DOI: 10.1007/s10853-019-03920-y
关键词
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资金
- National Natural Science Foundation of China [61405077]
- Research Foundation for Youth Backbone Teacher Training Program of Jiangsu University (China)
- China Scholarship Council (CSC) [201708320158]
- Natural Science Foundation of Jiangsu Province, China [BK20180862]
- Research Foundation of Education Bureau of Hubei Province, China [T201617]
Plasmonic metals possess the ability to enhance the interaction between light and matter, which has been widely used in optoelectronic devices, especially, a direct contact is established between metal and semiconductor in hetero-nanostructure. In this work, we report an enhanced photodetector by surface plasmon, which is based on Au-PbS core-shell nanorod phototransistor. The photodetector achieved higher responsivity of 18.5 A W-1, detectivity of 1.22 x 10(11) Jones and EQE of 2844% under an 808 nm laser illumination. The results indicate that the Au-PbS core-shell nanorods have great potential in optoelectronic devices.
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