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Title: Sub-bandgap energy photoresponse of individual V 2O 5 nanowires
Authors: Tamang, R. 
Varghese, B. 
Tok, E.S. 
Mhaisalkar, S.
Sow, C.H. 
Keywords: Nanowires
Vanadium Oxides
Issue Date: Jul-2012
Citation: Tamang, R., Varghese, B., Tok, E.S., Mhaisalkar, S., Sow, C.H. (2012-07). Sub-bandgap energy photoresponse of individual V 2O 5 nanowires. Nanoscience and Nanotechnology Letters 4 (7) : 716-719. ScholarBank@NUS Repository.
Abstract: Photoresponse of individual V 2O 5 nanowire (NW) under different controlled conditions were investigated. Individual V 2O 5 NW showed a significant photoresponse at vacuum condition and very small photocurrent (~1 nA) in ambient condition, upon global irradiation of 808 nm laser beam. The photoconducting properties of the V 2O 5 NW are investigated at various pressure conditions and with varying laser power. The observed sub-bandgap energy laser irradiation induced photoresponse can be attributed to factors such as defect level excitation, desorption of adsorbed gas species and laser induced heating effects. Copyright © 2012 American Scientific Publishers.
Source Title: Nanoscience and Nanotechnology Letters
ISSN: 19414900
DOI: 10.1166/nnl.2012.1381
Appears in Collections:Staff Publications

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