Paper Title:
Effects of Different Thermal Treatment on Optical Properties and Microstructure of ZnO Thin Films
  Abstract

ZnO thin films were prepared by DC reactive magnetron sputtering at room temperature. Two of them were annealed with different modes under vacuum condition. One was annealed with constant temperature of 300°C ; the other was annealed with temperature rising step by step from room temperature to 300°C . By comparing the microstructure and optical properties of the as-grown and annealed samples, the effects of different annealing modes on ZnO films performances were revealed. The experiment results investigated that the sample annealed with constant temperature of 300°C has the high grain size and surface roughness. Both of the two annealing modes could release the intrinsic stresses to some degree. The optical band gap of the samples narrowed after annealing, and the two annealed samples have almost the same band gap. Strong green emissions are observed for all the samples, but the emission intensity decreased of the sample annealed with the temperature rising step by step compared with that of other samples.

  Info
Periodical
Advanced Materials Research (Volumes 197-198)
Edited by
Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages
1766-1770
DOI
10.4028/www.scientific.net/AMR.197-198.1766
Citation
D. P. Zhang, P. Fan, Z. H. Zheng, L. L. Ru, J. J. Huang, X. M. Cai, T. B. Chen, "Effects of Different Thermal Treatment on Optical Properties and Microstructure of ZnO Thin Films", Advanced Materials Research, Vols. 197-198, pp. 1766-1770, 2011
Online since
February 2011
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$35.00
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