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Electrodeposition of chalcopyrite films from ionic liquid electrolytes


Reference:

Shivagan, D. D., Dale, P. J., Samantilleke, A. P. and Peter, L. M., 2007. Electrodeposition of chalcopyrite films from ionic liquid electrolytes. Thin Solid Films, 515 (15), pp. 5899-5903.

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Abstract

An air and water stable room-temperature ionic liquid based on choline chloride/urea eutectic mixture has been investigated as a system for the electrodeposition of CuInSe2 (CIS) and Cu(In,Ga)Se-2 (CIGS) films for photovoltaic applications. Deposition potentials and bath compositions were optimized to obtain Cu-In, Cu-In-Se and Cu-In-Ga-Se precursor films, which were selenized in a tube furnace at 500 degrees C for 30 min to form CIS and CI(G)S films. Photo-electrochemical measurements on these selenized films showed p-type photoconductivity with hand gaps of 1.0 eV and 1.09 eV, respectively, for CIS and CIGS. The films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), photocurrent spectroscopy and electrolyte electro-reflectance spectroscopy (EER). (C) 2007 Elsevier B.V. All rights reserved.

Details

Item Type Articles
CreatorsShivagan, D. D., Dale, P. J., Samantilleke, A. P. and Peter, L. M.
DOI10.1016/j.tsf.2006.12.092
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code4538
Additional InformationID number: ISI:000246831600034

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