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Title: Investigation of photoresponse in cadmium sulfide nanoparticles

In this work, we report on the photo-response of CdS nanoparticles prepared by simple solid state reaction method. The X-ray diffraction (XRD) study has confirmed the formation of cubical zinc blende (c) phase. In the photo-response study, voltage dependence of photocurrent and darkcurrent as well as temporal rise and decay of photocurrent of CdS nanoparticles have been investigated. The photo-response of prepared sample has been measured under visible illumination using thick film of powder with out any binder. The photocurrent (I{sub pc}) and darkcurrent (I{sub dc}) follow power law with applied voltage i.e. I α V{sup r}. The rise and decay of photocurrent show negative photoconductivity.
Authors:
; ;  [1] ;  [2] ;  [3]
  1. Department of Physics, Lucknow University, Lucknow-226007 (India)
  2. Department of Electronics and Communication, University of Allahabad, Allahabad-211002 (India)
  3. Shia P.G. College, Lucknow-226007 (India)
Publication Date:
OSTI Identifier:
22490514
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CADMIUM SULFIDES; CUBIC LATTICES; ELECTRIC POTENTIAL; FILMS; NANOPARTICLES; PHOTOCONDUCTIVITY; PHOTOCURRENTS; POWDERS; SOLIDS; X-RAY DIFFRACTION; ZINC SULFIDES