Changes in surface band bending, surface work function, and sheet resistance of undoped ZnO films due to (NH4)2Sx treatment

Yow Jon Lin, Chia Lung Tsai

研究成果: Article

33 引文 斯高帕斯(Scopus)

摘要

In this study, the interaction of undoped ZnO films with (N H4) 2 Sx treatment have been investigated by x-ray photoelectron spectroscopy, photoluminescence, optical transmittance, and four-point probe. According to the experimental results, we find that the formation of Zn-S bonds and the reduction of oxygen vacancies (i.e., the S occupation of oxygen vacancies) near the ZnO surface might lead to an increase in the upward band bending, resulting in an increase in the sheet resistance and work function of ZnO.

原文English
文章編號113721
期刊Journal of Applied Physics
100
發行號11
DOIs
出版狀態Published - 2006 十二月 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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