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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received October 28, 2017
Accepted February 12, 2018
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Damage to amorphous indium-gallium-zinc-oxide thin film transistors under Cl2 and BCl3 plasma

1School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Korea 2School of Semiconductor & Display Engineering, Sungkyunkwan University, Suwon 16419, Korea 3Display Laboratory, Samsung Institute of Technology, Yongin 17113, Korea
sungmcho@skku.edu
Korean Journal of Chemical Engineering, June 2018, 35(6), 1348-1353(6), 10.1007/s11814-018-0034-8
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Abstract

Plasma damage of indium-gallium-zinc-oxide (IGZO) thin film transistor (TFT) was investigated. The IGZO TFT was fabricated and the performance was measured before and after BCl3 and/or Cl2 plasma treatment to evaluate the IGZO damage. The BCl3 and/or Cl2 plasma deteriorated the IGZO TFT performance significantly even after a short exposure time in the plasma. We propose a new wet etching process to remove a source/drain metal without damaging the underlying IGZO layer. The wet etching process can be utilized for the fabrication of IGZO TFT array using a roll-to-roll process via a self-aligned imprint lithography technique.

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