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Title: Network-enhanced photoresponse time of Ge nanowire photodetectors
Authors: Yan, Chaoyi
Singh, Nandan
Cai, Hui
Gan, Chee Lip
Lee, Pooi See
Keywords: DRNTU::Engineering::Materials
Issue Date: 2010
Source: Yan, C., Singh, N., Cai, H., Gan, C. L., & Lee, P. S. (2010). Network-enhanced photoresponse time of Ge nanowire photodetectors. ACS Applied Materials & Interfaces, 2(7), 1794-1797.
Series/Report no.: ACS applied materials & interfaces
Abstract: We demonstrated that the photoresponse time of Ge nanowire (NW) photodetectors could be greatly improved by using percolated NW networks (instead of single NW) as the active detection channels. Although the reset time for single-NW devices was >70 s, a fast reset time <1 s was observed for NW-network devices. The enhancement was attributed to the barrier-dominated conductance for network devices, which was not available in single-NW devices. The network structures provide ideal alternative solutions to the conventional single-NW photodetectors, given their superior performances and low-cost fabrication processes.
DOI: 10.1021/am100321r
Rights: © 2010 American Chemical Society
Fulltext Permission: none
Fulltext Availability: No Fulltext
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