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Synthesis and characterization of polycrystalline CuInS2thin films for solar cell devices at low temperature processing conditions

Authors
Journal
Current Applied Physics
1567-1739
Publisher
Elsevier
Publication Date
Volume
10
Issue
3
Identifiers
DOI: 10.1016/j.cap.2010.02.017
Keywords
  • Photovoltaic Cell
  • Cuins2
  • Thin Film
  • Light Absorber Layer
  • Chalcopyrite Structure
Disciplines
  • Chemistry

Abstract

Abstract Polycrystalline CuInS 2 thin films were deposited on glass substrates using a novel solution-based continuous flow microreactor process for the first time. A series of analysis was performed to characterize the CuInS 2 thin films using UV–visible spectrophotometer, scanning electron microscope, X-ray diffraction spectrometer, and X-ray photoelectron spectroscopy. The estimated optical band gaps of CuInS 2 thin films were in the range of 1.52–1.60 eV. The structural and chemical binding information indicated that CuInS 2 thin films with a tetragonal chalcopyrite structure were successfully deposited. Dense film with a thickness around 1 μm could be obtained with a 5 min deposition time. This study demonstrates the solution-based continuous flow microreactor process is a promising low cost alternative for thin film PV manufacturing.

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