Study on the ITO/ZnO interface and its effect on CdS/CdTe solar cell performance

M. Zapata-Torres, J. L. Fernández-Muñoz, E. Hernández-Rodríguez, R. Mis-Fernández, V. Rejon, J. L. Peña, E. Valaguez-Velazquez, A. Márquez Herrera

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

ZnO thin films have been deposited on ITO coated glass substrates, using RF magnetron reactive sputtering from a Zn target. The ZnO films were annealed at 560 °C for 1 hour, in order to promote the diffusion of the ITO into ZnO. The properties of the samples were analyzed by X-ray diffraction (XRD), UV-Vis spectroscopy and X-ray photoelectron spectroscopy (XPS). The ITO/ZnO interface showed a diffusion of 50 nm approximately. In order to study the effect of ZnO thickness, in the performance of the CdS/CdTe solar cell, we used an AMPS-1D solar simulator; the results showed that reduction of the ZnO thickness had a weak influence in the efficiency of the solar cell.

Original languageEnglish
Pages (from-to)61-65
Number of pages5
JournalSuperficies y Vacio
Volume28
Issue number2
StatePublished - Jun 2015
Externally publishedYes

Keywords

  • ITO
  • Interface
  • Solar cell
  • ZnO

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