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Directly Drawn ZnO Semiconductors and MWCNT/PSS Electrodes via Electrohydrodynamic Jet Printing for Use in Thin-Film Transistors: The Ideal Combination for Reliable Device Performances SCIE SCOPUS

Title
Directly Drawn ZnO Semiconductors and MWCNT/PSS Electrodes via Electrohydrodynamic Jet Printing for Use in Thin-Film Transistors: The Ideal Combination for Reliable Device Performances
Authors
Yong Jin JeongJaehyun BaeSooji NamSooman LimJaeyoung JangSe Hyun KimPark, CE
Date Issued
2016-12
Publisher
Elsevier
Abstract
Solution-processed deposition of conducting and semiconducting materials enables the fabrication of large-area and low-cost electronic devices without the use of high-vacuum equipment. To obtain the possibility of commercializing solution-processed devices such as thin-film transistors (TFTs), easy and simple patterning process of each component become an important issue. In this study, we prepare directly patterned semiconductors and electrodes with the electrohydrodynamic (EHD) printing technique and utilize them in reliable n-type TFTs. By utilizing EHD printing technique, straight lines of zinc oxide (ZnO) semiconductor are successfully drawn from the highly soluble precursor, zinc acrylate (ZnA), and used as the active layers of TFTs. The resulting devices exhibit good TFT characteristics, and doping with a small amount of indium can enhance their performances. Furthermore, we print three different conducting materials on pre-patterned ZnO substrates for the realization of ZnO TFT arrays consisting of directly-drawn semiconductors and source/drain (S/D) electrodes. Multiwall carbon nanotube/polystyrene sulfonate (MWCNT/PSS) electrodes are found to form stable lines and their solution-processed TFTs display reliable operation with negligible hysteresis. (C) 2016 Elsevier B.V. All rights reserved.
URI
https://oasis.postech.ac.kr/handle/2014.oak/37735
DOI
10.1016/J.ORGEL.2016.10.020
ISSN
1566-1199
Article Type
Article
Citation
Organic Electronics, vol. 39, page. 272 - 278, 2016-12
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박찬언PARK, CHAN EON
Dept. of Chemical Enginrg
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