کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5403899 | 1505931 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Photoconductive properties of ZnO thin films grown by pulsed laser deposition
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The photoconductive properties of ZnO thin films grown by pulsed laser deposition are presented. The conductivity of ZnO films was measured based on metal-semiconductor-metal planar structures. Dark conductivity transients were measured with an electric field applied, and a change of up to more than three orders of magnitude was observed. The film shows a slow photoresponse with a rise time of 6Â min and a decay time of several hours. Dark conductivity and photoconductivity transients indicate that the increase/decrease of the conductivity may be attributed to the adsorption/desorption of oxygen on the surface and the grain boundaries.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Luminescence - Volumes 122â123, JanuaryâApril 2007, Pages 198-201
Journal: Journal of Luminescence - Volumes 122â123, JanuaryâApril 2007, Pages 198-201
نویسندگان
X.G. Zheng, Q.Sh. Li, W. Hu, D. Chen, N. Zhang, M.J. Shi, J.J. Wang, L.Ch. Zhang,