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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:14 |
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Conference: Bucharest University Faculty of Physics 2010 Meeting
Section: Biophysics and Medical Physics;Electricity and Magnetism
Title:
Physical Properties of CuInSe2 Thin Films Deposited on Flexible Substrate
Authors:
M. I. RUSU 1, L. ION 2, VETA GHENESCU 3, I. STAN 3, M. GHENESCU 3,V. SOARE 4, M. BURADA 4, M. RADU 2, D. TENCIU 2, S. ANTOHE 2
Affiliation:
1 National Institute of Research and Development for Optoelectronics,1 Atomistilor, 077125, Magurele-Ilfov, ROMANIA
2 University of Bucharest, Faculty of Physics, 405 Atomistilor, 077125, Magurele-Ilfov, ROMANIA
3 Institute for Space Sciences, 409 Atomistilor, 077125, Magurele-Ilfov, ROMANIA
4 National R&D Institute for Nonferrous and Rare Metals, 102 Biruintei blvd., Pantelimon, 077145, Ilfov, ROMANIA
E-mail
santohe@solid.fizica.unibuc.ro
Keywords:
CuInSe2, FLEXIBLE SUBSTRATE, solar cells
Abstract:
CuInSe2 is a frequent constituent of solar cells. Low-cost solar cells can be prepared by electrodeposition from a single bath, provided that the multiple variables affecting the process can be properly tuned. The paper discusses the results of structural and optical investigations of CIS semiconductor films obtained by one-step electrodeposition process from aqueous solution containing CuSO4*5H2O, In2(SO4)3, SeO2 and a complex agent, in a standard three-electrode cell with platinum anode and a SCE reference electrode. The CIS layers were electrochemically grown on plastic foils (PET) coated with ITO or on Kapton substrates. The original thermionic vacuum arc (TVA) was used to prepare cathode Ni films on Kapton. TVA method uses an external source of electrons for generation of both metal vapors and metal ions. CuInSe2 have been characterized using scanning electron microscopy, X-ray diffraction and optical absorption spectroscopy.
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