ZnO/CdS bilayers prepared by concurrent deposition from a chemical bath

S. J. Castillo*, M. Sotelo-Lerma, R. A. Zingaro, R. Ramírez-Bon, F. J. Espinoza-Beltran, R. Guillemette, M. A. Domínguez

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

ZnO/CdS bilayer films have been prepared by the chemical bath deposition (CBD) technique from a single reaction bath. The bilayer films were obtained by using solution concentrations of 1 M for ZnSO4 and 0.1 M for CdCl2. The pH was adjusted by the use of an ethanolamine-ammonia system. A solution 1 M of thiourea was used as the source of sulfur ions. The thickness of each layer in the resultant film were 2 and 0.3 μm for ZnO and CdS, respectively. We report here the optical and structural characterization of this ZnO/CdS bilayer system.

Original languageEnglish
Pages (from-to)1069-1073
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume62
Issue number6
DOIs
StatePublished - 1 Jun 2001

Bibliographical note

Funding Information:
We acknowledge the financial support of CONACYT (Mexico) and Robert A. Welch Foundation (Houston, Texas). We also thank Dr M. Damaj for contributing useful ideas and Ing. Israel Gradilla for SEM measurements.

Keywords

  • A. Semiconductors

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