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Effects of Solvents on ITO Cracks in Ultrasonic Cleaning of ITO-Coated Flexible Substrates for Polymer Solar Cells

Title
Effects of Solvents on ITO Cracks in Ultrasonic Cleaning of ITO-Coated Flexible Substrates for Polymer Solar Cells
Authors
Jeong, YJ[Jeong, Young Jun]Woo, S[Woo, Sungho]Kim, Y[Kim, Youngkyoo]Jeong, SJ[Jeong, Seon Ju]Han, YS[Han, Yoon Soo]Lee, DK[Lee, Do Kyung]Ko, JI[Ko, Jung Ik]Jung, SK[Jung, Sang-Kooun]An, BC[An, Byeong Cheol]
DGIST Authors
Jeong, YJ[Jeong, Young Jun]; Woo, S[Woo, Sungho]; Jeong, SJ[Jeong, Seon Ju]
Issue Date
2011
Citation
Molecular Crystals and Liquid Crystals, 551, 212-220
Type
Article
Article Type
Article; Proceedings Paper
Keywords
CleaningCleaning ProcessCleaning SolventsCracksDirect InteractionsEthyleneExperimental OptimizationFlexible PolymersFlexible SubstrateIndium CompoundsIndium Tin OxideITO CrackPlastic CoatingsPolyethylene NaphthalatePolymer Solar Cells (PSCs)Simple MethodSolubilitySolubility ParameterSolubility ParametersSolventsSubstratesTinTin OxidesUltrasonic CleaningWet Cleaning Process
ISSN
1542-1406
Abstract
We report an experimental optimization of the cleaning process in the fabrication of flexible polymer solar cells using an indium tin oxide (ITO) coated poly(ethylene naphthalate) (PEN) substrate. The effects of the solubility parameters of the cleaning solvents on the occurrence of ITO cracks have been systematically investigated. The experimental results showed that the ITO cracks caused during the ultrasonic cleaning process were mainly affected by differences between the solubility parameters of the solvent and that of the PEN substrate, not by direct interaction between the solvent and the ITO layer. Our results provide a simple method for reducing ITO cracks during wet cleaning processes by selecting solvents with solubility parameters which differ significantly from those of the flexible substrates. © 2011 Taylor & Francis Group, LLC.
URI
http://hdl.handle.net/20.500.11750/3488
DOI
10.1080/15421406.2011.600655
Publisher
Taylor and Francis Ltd.
Related Researcher
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Solar Energy1. Journal Articles
Convergence Research Center for Solar Energy1. Journal Articles
ETC1. Journal Articles


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