期刊
NANO LETTERS
卷 10, 期 6, 页码 2117-2120出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl1006432
关键词
Silicon; nanowire; photodetector; visible; infrared
类别
资金
- Agiltron, Inc. contract with the Department of Energy
- National Science Foundation
- Samsung SMD
Nanowire photodetectors can perform exceptionally well due to their unique properties arising from the nanowire geometry. Here we report on the phenomenal responsivity and extended spectral range of scalable, vertically etched, silicon nanowire photodetector arrays defined by nanoimprint lithography. The high internal gain in these devices allows for detection at below room temperatures of subfemtowatt per micrometer visible illumination and picowatt infrared illumination resulting from band to surface state generation.
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