Effects of solvents on ITO cracks in ultrasonic cleaning of ITO-coated flexible substrates for polymer solar cells

Young Jun Jeong; Sungho Woo; Youngkyoo Kim; Seon Ju Jeong; Yoon Soo Han; Do Kyung Lee; Jung Ik I. Ko; Sang Kooun Jung; Byeong Cheol An

doi:10.1080/15421406.2011.600655

Effects of solvents on ITO cracks in ultrasonic cleaning of ITO-coated flexible substrates for polymer solar cells

Young Jun Jeong, Sungho Woo, Youngkyoo Kim, Seon Ju Jeong, Yoon Soo Han, Do Kyung Lee, Jung Ik I. Ko, Sang Kooun Jung, Byeong Cheol An

Division of Energy Techonology

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

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.

Original language	English
Pages (from-to)	212-220
Number of pages	9
Journal	Molecular Crystals and Liquid Crystals
Volume	551
DOIs	https://doi.org/10.1080/15421406.2011.600655
State	Published - 2011

Bibliographical note

Funding Information:
This work was supported by the Ministry of Knowledge Economy (MKE) grant of Korea. It was also supported by the DGIST R&D Program of the Ministry of Education, Science and Technology (MEST) of Korea (11-EN-02).

Keywords

Cleaning solvents
Flexible substrate
ITO crack
Solubility parameter

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10.1080/15421406.2011.600655

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title = "Effects of solvents on ITO cracks in ultrasonic cleaning of ITO-coated flexible substrates for polymer solar cells",

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.",

keywords = "Cleaning solvents, Flexible substrate, ITO crack, Solubility parameter",

author = "Jeong, \{Young Jun\} and Sungho Woo and Youngkyoo Kim and Jeong, \{Seon Ju\} and Han, \{Yoon Soo\} and Lee, \{Do Kyung\} and Ko, \{Jung Ik I.\} and Jung, \{Sang Kooun\} and An, \{Byeong Cheol\}",

note = "Funding Information: This work was supported by the Ministry of Knowledge Economy (MKE) grant of Korea. It was also supported by the DGIST R\&D Program of the Ministry of Education, Science and Technology (MEST) of Korea (11-EN-02).",

year = "2011",

doi = "10.1080/15421406.2011.600655",

language = "English",

volume = "551",

pages = "212--220",

journal = "Molecular Crystals and Liquid Crystals",

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TY - JOUR

T1 - Effects of solvents on ITO cracks in ultrasonic cleaning of ITO-coated flexible substrates for polymer solar cells

AU - Jeong, Young Jun

AU - Woo, Sungho

AU - Kim, Youngkyoo

AU - Jeong, Seon Ju

AU - Han, Yoon Soo

AU - Lee, Do Kyung

AU - Ko, Jung Ik I.

AU - Jung, Sang Kooun

AU - An, Byeong Cheol

N1 - Funding Information: This work was supported by the Ministry of Knowledge Economy (MKE) grant of Korea. It was also supported by the DGIST R&D Program of the Ministry of Education, Science and Technology (MEST) of Korea (11-EN-02).

PY - 2011

Y1 - 2011

N2 - 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.

AB - 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.

KW - Cleaning solvents

KW - Flexible substrate

KW - ITO crack

KW - Solubility parameter

UR - http://www.scopus.com/inward/record.url?scp=81255189526&partnerID=8YFLogxK

U2 - 10.1080/15421406.2011.600655

DO - 10.1080/15421406.2011.600655

M3 - Article

AN - SCOPUS:81255189526

SN - 1542-1406

VL - 551

SP - 212

EP - 220

JO - Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals

ER -

Effects of solvents on ITO cracks in ultrasonic cleaning of ITO-coated flexible substrates for polymer solar cells

Abstract

Bibliographical note

Keywords

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