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Title: Flexible CdS photoelectrodes for photoelectrochemical solar cell applications
Authors: Demirci Sankır, Nurdan
Tezel, Tamer
Doğan, Bahadır
Keywords: Photoelectrochemical solar cell
Cadmium sulfide
Flexible photoelectrode
Electrochemical impedance
Issue Date: 2011
Publisher: Sila Science
Abstract: Nanocrystalline CdS thin films have been successfully deposited on mechanically flexible polyethylene terephthalate substrates via electrodeposition technique. Structural and optical properties of as-deposited and CuCl2 treated CdS thin films have been investigated using X-ray diffraction, UV-vis spectrophotometry and X-ray photoelectron spectroscopy. Both as-deposited and CuCl2-treated CdS samples have been integrated into photoelectrochemical solar cell. It has been observed that power conversion efficiency of thin films increased dramatically and reached approximately 2% after CuCl2-treatment. Electrochemical impedance spectroscopy has been used to investigate the charge transfer mechanism. Frequency dependent measurements indicated that it was possible to fit almost all as-deposited samples into one time constant model. On the other hand, mixed kinetic and diffusion model can be used to identify the charge transfer mechanism of CuCl2-treated samples.
ISSN: 1308-772X
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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