Journal
NANOSCALE RESEARCH LETTERS
Volume 6, Issue -, Pages 1-7Publisher
SPRINGEROPEN
DOI: 10.1186/1556-276X-6-615
Keywords
highly ordered tin oxide nanopores films; anodized aluminum oxide(aao); ultraviolet(uv) response; oxygen vacancies
Funding
- National Major Basic Research Project [2010CB933702]
- Natural Science Foundation of China [11174197, 10874115, 10804071, 10734020]
- National 863 Program [2011AA050518863]
- Shanghai Nanotechnology Research Project [0952nm01900]
- Research fund for the Doctoral Program of Higher Education of China
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Based on the porous anodic aluminum oxide templates, ordered SnO (x) nanopore films (approximately 150 nm thickness) with different x (x a parts per thousand 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 SnO (x) 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 SnO (x) 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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