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Optoelectronic characteristics of transparent CU2O films spin-coated on glass substrates

Authors
Kwak, K.Cho, K.Kim, S.
Issue Date
2010
Publisher
Korean Institute of Electrical Engineers
Keywords
Optoelectrical; Oxides; Spin-coating; Thin films; Transparent device
Citation
Transactions of the Korean Institute of Electrical Engineers, v.59, no.1, pp.123 - 126
Indexed
SCOPUS
KCI
Journal Title
Transactions of the Korean Institute of Electrical Engineers
Volume
59
Number
1
Start Page
123
End Page
126
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/118281
ISSN
1975-8359
Abstract
Cu2O nanoparticles-based films are fabricated by spin-coating on glass substrates and their optoelectronic characteristics are investigated in this study. The Cu2O films are nearly all-transparent as high as 98% in a wavelength range from 400 nm to 900 nm and three exciton peaks associated with the subleveis in the conduction band are observed at the wavelengths shorter than 400 nm in the absorption spectrum. Under the illumination of the 325 nm wavelength light, the photocurrent efficiency of the Cu2O film is 1.8xl05 μA/W at a voltage of 2.5 V in air.
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공과대학 (전기전자공학부)
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