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- Title
Growth and Characterization of Indium-Doped Zinc Oxide Thin Films Prepared by Sol--Gel Method.
- Authors
Kim, M. S.; Yim, K. G.; Kim, S.; Nam, G.; Lee, D.-Y.; Kim, Jin Soo; Kim, Jong Su; Leem, J.-Y.
- Abstract
Indium-doped ZnO thin films were deposited by sol-gel spin-coating method with various In content. The effects of In content on the structural and optical properties of the indium-doped ZnO thin films were investigated by scanning electron microscopy, X-ray diffraction, and UV-visible spectroscopy. The particle-like surface morphology and the crystallinity of the indium-doped ZnO thin films were affected by change in the In content, especially at the In content of 3 at.%. The values of direct band gap were decreased with increase in the In content. The width of localized states in the optical band gap of the indium-doped ZnO thin films were changed with In content and the Urbach energy (EU) was changed inversely with optical band gap of the indium-doped ZnO thin films.
- Subjects
INDIUM; THIN films; SCANNING electron microscopy; X-ray diffraction; COATINGS industry; GROUP 13 elements
- Publication
Acta Physica Polonica: A, 2012, Vol 121, Issue 1, p217
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.121.217