Journal
APPLIED PHYSICS EXPRESS
Volume 6, Issue 5, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.7567/APEX.6.054103
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Funding
- National Science Council of Taiwan [NSC-101-2112-M-002-026]
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An effective, transparent solar-blind Schottky ultraviolet (UV) sensor made of zinc oxide (ZnO) nanowires (NWs) was fabricated by chemical vapor deposition (CVD). Indium-tin oxide (ITO) thin films were deposited by radio frequency (RF) sputtering as Schottky contacts, where the hydrogen peroxide (H2O2) treatment of ZnO NWs played a key role in the rectifying effect. The photodiode showed a fitted barrier height of 0.89 eV, an ideality factor of 1.82, and a rectification behavior of up to three orders of magnitude at a voltage bias between -1 and +1 V. Photoresponse measurement proved a reliable device in the UV region. (c) 2013 The Japan Society of Applied Physics
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