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SiNx / 고분자 이중층 게이트 유전체를 가진 Zinc 산화물 박막 트랜지스터의 저온 SiNx / 고분자 이중층 게이트 유전체를 가진 Zinc 산화물 박막 트랜지스터의 저온 공정에 관한 연구

Authors
이호원양진우형건우박재훈구자룡조의식권상직김우영김영관
Issue Date
2010
Publisher
한국응용과학기술학회
Keywords
ZnO transistor; Low temperature process; C-PVP; Flexible substrate; ALD
Citation
한국응용과학기술학회지, v.27, no.2, pp.137 - 143
Journal Title
한국응용과학기술학회지
Volume
27
Number
2
Start Page
137
End Page
143
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/21334
ISSN
1225-9098
Abstract
Oxide semiconductors Thin-film transistors are an exemplified one owing to its excellent ambient stability and optical transparency. In particular zinc oxide (ZnO) has been reported because It has stability in air, a high electron mobility, transparency and low light sensitivity, compared to any other materials. For this reasons, ZnO TFTs have been studied actively. Furthermore, we expected that would be satisfy the demands of flexible display in new generation. In order to do that, ZnO TFTs must be fabricated that flexible substrate can sustain operating temperature. So, In this paper we have studied low-temperature process of zinc oxide(ZnO) thin-film transistors(TFTs) based on silicon nitride (SiNx ) /cross-linked poly-vinylphenol (C-PVP) as gate dielectric. TFTs based on oxide fabricated by Low-temperature process were similar to electrical characteristics in comparison to conventional TFTs. These results were in comparison to device with SiNx / low-temperature C-PVP or SiNx / conventional C-PVP. The ZnO TFTs fabricated by low-temperature process exhibited a field-effect mobility of 0.205 cm2/Vs, a thresholdvoltage of 13.56 V and an on/off ratio of 5.73 x 106. As a result, We applied experimental for flexible PET substrate and showed that can be used to ZnO TFTs for flexible application.
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