Journal
MATERIALS LETTERS
Volume 188, Issue -, Pages 52-54Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2016.10.089
Keywords
Thin Film; Semiconductors; UV photodetector; TiO2; Diamond
Funding
- Science and Technology Coordinating Innovative Engineering Projects of Shaanxi Province [2014KTCQ01-33]
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Characterization of UV photodetector on ultra thin Ti0O(/)diamond has been carried out. TiO2 film has been deposited on single crystal diamond surface through radio frequency magnetron sputtering method, upon which interdigitated electrodes were patterned to form the photodetector. The photodetector showed an obvious response selectivity between UT and visible regions, and exhibited two response peaks at around 225 nm and 290 nm which stemmed from the response of diamond and TiO2, respectively, indicating a stretch of detection range of pure diamond or TiO2 photodetector. When TiO2 film became thinner, the transient response performance was improved.
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