Electrochemic growth of CuInSe2 thin film on ITO/soda-lime glass from acidic medium

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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Abstract

The simultaneous electrodeposition of the Cu-In-Se system was investigated. The study was carried out at pH 1.8 using Sodium citrate as completing agent for the Cu2+ ion. The synthesis of CuInSe2 semiconductor thin film was carried out by electrodeposition on indium-tin oxide (ITO) /soda-lime glass. The simultaneous codeposition of the Cu, In, and Se was achieved by constant potential electrolysis technique in aqueous solutions containing CuCl2, InCl3, and H2SeO3. The as-deposited and annealed films were characterized by scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDX), x-ray diffraction (XRD), and Raman spectroscopy. Homogeneous films were deposited with a well-defined composition and chalcopyrite structure. The crystallinity of the films was improved by annealing. The deposited stoichiometric CuInSe2 layers were about 2 μm in thickness. The annealed film is with a perfect crystallized and single chalcopyrite structure. It is suitable for photovoltaic applications.

Original languageEnglish
Title of host publication2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
Pages751-754
Number of pages4
DOIs
StatePublished - 2008
Externally publishedYes
Event2008 2nd IEEE International Nanoelectronics Conference, INEC 2008 - Shanghai, China
Duration: 24 Mar 200827 Mar 2008

Publication series

Name2008 2nd IEEE International Nanoelectronics Conference, INEC 2008

Conference

Conference2008 2nd IEEE International Nanoelectronics Conference, INEC 2008
Country/TerritoryChina
CityShanghai
Period24/03/0827/03/08

Keywords

  • Chalcopyrite
  • CuInSe (CIS)
  • Electrodeposition
  • ITO
  • Raman spectroscopy
  • Sodium nitrate

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