Journal
OPTICS AND LASER TECHNOLOGY
Volume 51, Issue -, Pages 1-4Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2013.03.008
Keywords
Laser ablation; Indium nanoparticles; Heterojunction
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A colloidal indium oxide (In2O3) nanoparticles (NPs) were synthesized by using a Q-switched Nd:YAG laser ablation of indium target in water at room temperature. Optical absorption and x-ray diffraction (XRD) investigation of the prepared samples confirm the formation of In2O3 NPs. A solution-processed silicon heterojunction photodetector, fabricated by drop cast film of colloidal In2O3 NPs onto n-type single crystal silicon wafer, is demonstrated. characteristics of In2O3 NPs/Si heterojunction under dark and illumination conditions confirmed the rectifying behavior and the good photoresponse. The built-in-voltage was determined from the C-V measurements which revealed an abrupt junction. (c) 2013 Elsevier Ltd. All rights reserved.
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