期刊
APPLIED PHYSICS LETTERS
卷 96, 期 10, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3356224
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资金
- NSF IGERT Graduate Fellowship Program
- University of Washington UIF Graduate Fellowship Program
- National Science Foundation [ECCS-0925378]
- National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0925378] Funding Source: National Science Foundation
We report high-performance nanoscale photodetectors utilizing annealed nanocrystal quantum dots (QDs) within a nanoscale metal electrode gap. By optimizing the nanogap size and fabrication process, the device demonstrates a significantly better sensitivity (noise equivalent power = 7.76 x 10(-14) W/Hz(1/2)) and bandwidth (>= 125 kHz) than previously reported nanoscale photodetectors. Furthermore, by utilizing a lateral photoconduction structure and a self-assembled layer of QDs, the detector fabrication is highly compatible with many substrates and device architectures. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3356224]
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