Role of Na in reaction pathways and kinetics of CuInSe2 formation from stacked binary precursors

Title
Role of Na in reaction pathways and kinetics of CuInSe2 formation from stacked binary precursors
Author(s)
김성철[김성철]박현욱[박현욱]이은우[이은우]한재성[한재성]이성호[이성호]전찬욱정동욱[정동욱]정진주[정진주]김우경
Keywords
X-RAY-DIFFRACTION; CIGS SOLAR-CELLS; THIN-FILMS; CU(IN,GA)SE-2; SODIUM
Issue Date
201108
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v.519, no.21, pp.7250 - 7253
Abstract
Binary stacked In2Se3/CuSe precursors were prepared onto substrates with different types of sodium (Na) sources, i.e., soda-lime glass (SLG), sodium-free glass (SFG), SFG with Na-doped Mo layers (Mo:Na), in a co-evaporation system. SIMS depth profiles for In2Se3 precursors deposited at 400 degrees C demonstrated that the different amounts of Na diffused out of each Na source. High-temperature XRD experiments revealed that there was no significant effect of Na on the reaction path of CuInSe2 formation from In2Se3/CuSe stacked precursor. The reaction rate of the precursor without Na (i.e.. SFG/Mo/In2Se3/CuSe) was found to be higher than that of those with Na (i.e., SLG/Mo/In2Se3/CuSe and SFG/Mo:Na(750 nm)/Mo/In2Se3/CuSe). (C) 2011 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/24764http://dx.doi.org/10.1016/j.tsf.2010.12.222
ISSN
0040-6090
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공과대학 > 화학공학부 > Articles
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