Electrodeposition of in2s3 thin films onto FTO substrate from dmso solution

B. Marí, M. Mollar, D. Soro, RODRIGO GONZALO HENRIQUEZ NAVIA, R. Schrebler, H. Gómez

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

In current work we report the electrochemical deposition of In2S3 thin films from a In(ClO4)3 and S8 in dimethylsulfoxide (DMSO) solution. Potenciodynamic experiments were conducted to study the electrochemical response of the precursors in the organic solvent. Chronoamperometric measurements allowed to establish the nucleation-growth mechanism of the indium sulfide phase and also to build a proper potential step program for achieving adherent good quality thin films. SEM micrographs exhibited complete substrate coverage whereas EDAX analysis gave In/S ratio very close to 2/3. Grazing XRD analysis showed that the films were grown in the tetragonal phase without the presence of oxide or hydroxide phases as usually is reported in aqueous medium. Results open the possibility of applying the procedure to the electrodeposition of an alternative In2S3 buffer layer onto copper indium diselenide substrates for evaluating the performance of the corresponding solar cell.

Original languageEnglish
Pages (from-to)3510-3523
Number of pages14
JournalInternational Journal of Electrochemical Science
Volume8
Issue number3
StatePublished - Mar 2013
Externally publishedYes

Keywords

  • Buffer Layer
  • CIGS solar cells
  • DMSO
  • Electrodeposition
  • In2S3

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