Composition and properties of ZnS thin films prepared by chemical bath deposition from acidic and basic solutions

Liudmila V. Makhova, Igor Konovalov, Rüdiger Szargan, Nurdin Aschkenov, Mathias Schubert, Thomas Chassé

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Abstract

Zinc sulfide thin films were prepared by chemical bath deposition (CBD) on soda lime glass, silicon and gallium phosphide substrates using an acidic (acetic acid-thioacetamide), and ammonia (thiourea or thioacetamide) baths. The thickness of the films varied from a few nm to 100 nm. Films deposited using the acidic bath showed a smaller concentration of Zn-O bonds and are much closer to ZnS stoichiometry, as it was found by X-ray photoelectron spectroscopy and wavelength-dispersive X-ray fluorescence spectroscopies. X-ray diffraction patterns prove crystallinity of as deposited films from the acidic bath, which crystallize in the cubic modification. The optical band-gap energy was determined to be 3.64 eV from the best-fit of spectroscopic ellipsometry measurements

Original languageEnglish (US)
Pages (from-to)1206-1211
Number of pages6
JournalPhysica Status Solidi C: Conferences
Volume2
Issue number3
DOIs
StatePublished - Nov 7 2005

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ASJC Scopus subject areas

  • Condensed Matter Physics

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