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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 5
BKCSDE 29(5)
May 20, 2008

Title	Photoelectrochemical Deposition of CdZnSe Thin Films on the Se-Modified Au Electrode
Author	Sunyoung Ham, Soyeon Jeon, Ungki Lee, Ki-Jung Paeng, Noseung Myung
Keywords	Photoelectrochemistry, CdZnSe, Ternary semiconductor, EQCM
Abstract	Photoelectrochemical deposition of CdZnSe thin films on the Se-modified Au electrode using electrochemical quartz crystal microgravimetry (EQCM) and voltammetry is described. Corrosion of pre-deposited Se electrodes by illumination at a fixed potential resulted in Se^2? species, which was manifest from the EQCM frequency changes. Se^2? species generated from the photocorrosion reacted with Cd²⁺ and Zn²⁺ ions in the electrolyte to form CdZnSe films on the Au electrode. The effect of electrolyte composition on the composition and band gap of CdZnSe films was studied in detail. Also, photoelectrochemistry, EDX, Raman spectroscopy were used for the characterization of CdZnSe thin films.
Page	939 - 942
Full Text	PDF

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