Properties of cadmium sulfide thin films deposited by chemical bath deposition with ultrasonication

Jun Young Choi, Kang Jin Kim, Ji Beom Yoo, Donghwan Kim

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

Ultrasonic agitation was applied during the chemical bath deposition of CdS thin films. Ultrasonication resulted in a dramatic difference in surface morphology, growth rate, and optical properties of CdS films. There were virtually no colloidal particles adsorbed on the surface. The surface roughness measured by atomic force microscopy was reduced by a factor of two. Band gap energy increased to 2.39 eV from 2.37 eV. X-ray patterns showed that the preferred orientation changed from hexagonal(002)/cubic(111) to hexagonal(101). Optical transmission improved in the wavelength range longer than 520 nm. The chemical reaction for CdS formation started at a lower temperature under ultrasonication, and dense films were obtained even when the chemical composition of the aqueous solution deviated far from the optimum conditions.

Original languageEnglish
Pages (from-to)41-47
Number of pages7
JournalSolar Energy
Volume64
Issue number1-3
DOIs
Publication statusPublished - 1998 Sep 1

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Cadmium sulfide
Thin films
Light transmission
Surface morphology
Chemical reactions
Atomic force microscopy
Energy gap
Optical properties
Ultrasonics
Surface roughness
X rays
Wavelength
Chemical analysis
Temperature
cadmium sulfide

ASJC Scopus subject areas

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

Cite this

Properties of cadmium sulfide thin films deposited by chemical bath deposition with ultrasonication. / Choi, Jun Young; Kim, Kang Jin; Yoo, Ji Beom; Kim, Donghwan.

In: Solar Energy, Vol. 64, No. 1-3, 01.09.1998, p. 41-47.

Research output: Contribution to journalArticle

Choi, Jun Young ; Kim, Kang Jin ; Yoo, Ji Beom ; Kim, Donghwan. / Properties of cadmium sulfide thin films deposited by chemical bath deposition with ultrasonication. In: Solar Energy. 1998 ; Vol. 64, No. 1-3. pp. 41-47.
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