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http://dx.doi.org/10.4313/JKEM.2009.22.9.756

Investigation on the Micro-photoluminescence of ZnO Thin Films Grown by Pulsed Laser Deposition  

Lee, Deuk-Hee (한국과학기술연구원 에너지재료연구단)
Leem, Jae-Hyeon (한국과학기술연구원 에너지재료연구단)
Kim, Sang-Sig (고려대학교 전기전자전파공학부)
Lee, Sang-Yeol (한국과학기술연구원 에너지재료연구단)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.22, no.9, 2009 , pp. 756-759 More about this Journal
Abstract
We described the growth of undoped ZnO thin films and their optical properties changing with a various growth temperature. The undoped ZnO thin films were grown on $c-Al_2O_3$ substrates using pulsed laser deposition (PLD) at room temperature, 200, 400, and $600^{\circ}C$, respectively. Field emission microscopy (FE-SEM) measurements showed that the grain size of undoped ZnO thin films are increasing as a increase of growth temperature. In addition, we were investigated that the structural and optical properties of undoped ZnO thin films by x-ray diffraction (XRD) and photoluminescence (PL) studied. Also, we could confirmed that the exciton luminescence was strongly related to charge trap by grain boundary of the samples using micro-PL measurement.
Keywords
ZnO; Oxide semiconductor; Thin films; Pulsed laser deposition; Photoluminescence;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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