Title |
Fabrication and ultraviolet photoresponse characteristics of ordered SnOx (x ≈ 0.87, 1.45, 2) nanopore films
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Published in |
Discover Nano, December 2011
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DOI | 10.1186/1556-276x-6-615 |
Pubmed ID | |
Authors |
Changli Li, Maojun Zheng, Xianghu Wang, Lujun Yao, Li Ma, Wenzhong Shen |
Abstract |
Based on the porous anodic aluminum oxide templates, ordered SnOx nanopore films (approximately 150 nm thickness) with different x (x ≈ 0.87, 1.45, 2) have been successfully fabricated by direct current magnetron sputtering and oxidizing annealing. Due to the high specific surface area, this ordered nanopore films exhibit a great improvement in recovery time compared to thin films for ultraviolet (UV) detection. Especially, the ordered SnOx nanopore films with lower x reveal higher UV light sensitivity and shorter current recovery time, which was explained by the higher concentration of the oxygen vacancies in this SnOx films. This work presents a potential candidate material for UV light detector.PACS: 81.15.Cd, 81.40.Ef, 81.70.Jb, 85.60.Gz. |
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