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Journal Article
Photo-electronic Properties of Cd(Cu)S/CdS Thin Films and Diodes Prepared by CBD
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- Authors
- Doo-Hee Cho, Kyong-Am Kim, Gi-Bong Song
- Issue Date
- 2008-01
- Citation
- 한국세라믹학회지, v.45, no.1, pp.30-35
- ISSN
- 1229-7801
- Publisher
- 한국세라믹학회
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, CdS/Cd(Cu)S thin films and diodes were manufactured via a chemical bath deposition (CBD) process, and the effects of NH4Cl and TEA(triethylamine) on the properties of the films were examined. The addition of NH4Cl significantly increased the thickness of the CdS and Cd(Cu)S films, however, the addition of TEA decreased the thickness in both cases slightly. The addition of NH4Cl along with TEA increased the film thickness more effectively compared to the addition of only NH4Cl. The thickness of the CdS film prepared from an aqueous solution of 0.007 M CdSO4, 1.3 M NH4OH, 0.03 M SC(NH2)2, 0.0001 M TEA and 0.03 M NH4Cl was 310 nm. Dark resistivity of the CdS film was 1.2 × 103 廓 cm and the photo resistivity with 500 W/cm2 irradiation of white light was 20 廓cm. The Cd(Cu)S/CdS thin film diodes prepared by CBD showed good rectifying characteristics.
- KSP Keywords
- Aqueous solution, CdS film, CdS thin films, Chemical bath deposition(CBD), Electronic properties, Rectifying characteristics, film thickness, thin film(TF), white light