Influence of ITO surface modification on the growth of CdS and on the performance of CdS/CdTe solar cells

Jangeun Heo, Hokyun Ahn, Rowoon Lee, Younggun Han, Donghwan Kim

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

We treated the surface of indium-tin oxide (ITO) substrates in two ways, (i) coating of thin insulating ITO layer or (ii) irradiation of the surface with accelerated ions, and investigated the change in sheet resistance (Rsh) and the water-contact angle (WCA). Rsh increased with the thickness of the insulating ITO layer or with the ion dose. WCA dropped as a result of the surface treatment to <15°. The microstructure, the surface morphology, the optical transmittance, and the stoichiometry of CdS improved with the surface treatment. CdS/CdTe solar cells showed a better performance as a result of ITO surface treatment.

Original languageEnglish
Pages (from-to)193-201
Number of pages9
JournalSolar Energy Materials and Solar Cells
Volume75
Issue number1-2
DOIs
Publication statusPublished - 2003 Jan

Keywords

  • CBD CdS
  • CdS/CdTe solar cell
  • Indium-tin oxide
  • Surface treatment

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

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