Indian Journal of Physics

, Volume 87, Issue 2, pp 141–146 | Cite as

Synthesis of CuInS2 thin films by spray pyrolysis deposition system

Original Paper
First Online:
Received:
Accepted:

Abstract

Copper indium disulfide (CuInS2) thin films were deposited on the glass substrate by the locally made spray pyrolysis deposition system. The films were characterized by using energy dispersive analytical X-ray (EDAX) spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) and UV–VIS–NIR spectrophotometry. The XRD pattern indicated that the prepared CuInS2 thin films are chalcopyrite structure. Lattice parameters and FWHM values were verified by the standard values of JCPDS 270159 file. The EDAX analysis indicated the stoichiometric ratio of 1.14:1:1.88 (CIS-2) thin films. The SEM analysis showed that the average grain size of the film was 100–800 nm and that of XRD data indicate the values of 30–50 nm. The high absorption co-efficient and 1.48 eV band gap of the films indicate that the films are useful as an absorber for photovoltaic application in the solar cell.

Keywords

X-ray diffraction Scanning electron microscope Energy dispersive analytical X-ray 

PACS Nos.

78.67.-n 78.20.-e 
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Copyright information

© Indian Association for the Cultivation of Science 2012

Authors and Affiliations

  1. 1.Materials Science DivisionAtomic Energy Centre, Bangladesh Atomic Energy CommissionDhakaBangladesh
  2. 2.Department of PhysicsBangladesh University of Engineering & TechnologyDhakaBangladesh

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