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용액 공정 기반의 인듐 아연 산화물 트랜지스터의 PMMA 보호막 여부에 따른 신뢰성 평가
허관준 ( Kwan Jun Heo ),엄주송 ( Ju Song Eom ),조현아 ( Hyeonah Jo ),최성곤 ( Seong Gon Choi ),정병준 ( Byung Jun Jung ),김성진 ( Sung Jin Kim ) 대한금속재료학회(구 대한금속학회) 2016 대한금속·재료학회지 Vol.54 No.4
We investigated poly(methyl methacrylate) (PMMA) passivation of solution-processed indium zinc oxide (IZO) thin-film transistors (TFTs). PMMA provides solution-processability and good barrier characteristics against environmental elements such as water and oxygen. The PMMA passivation layers protect the IZO active layer of the TFTs without deteriorating their performance during gate bias stress measurements under ambient conditions, and improve their electrical properties by decreasing leakage current. Moreover, the potential to safely manipulate IZO-TFTs after PMMA passivation was proven by realizing a simple n-channel resistive-load inverter.
용액공정으로 제작한 PVP-IZO TFT의 UV-O<sub>3</sub> 처리를 통한 전기적 특성 향상 연구
김유정,정준교,박정현,정병준,이가원,Kim, Yu Jung,Jeong, Jun Kyo,Park, Jung Hyun,Jung, Byung Jun,Lee, Ga Won 한국반도체디스플레이기술학회 2017 반도체디스플레이기술학회지 Vol.16 No.2
In this paper, solution based Indium Zinc Oxide thin film transistors (IZO TFTs) were fabricated with PVP gate dielectric. To enhance the electrical properties, UV-O3 treatment is proposed on solution based IZO TFTs. The gate leakage current and interface trap density is compatible with conventional ZnO-based TFT with inorganic gate insulator. Especially, the UV-treated device shows improved electrical characteristics compared to the untreated device. These results can be explained by X-ray photoelectron spectroscopy (XPS) analysis, which shows that the oxygen vacancy of UV-O3 treatment is higher than that of no treatment.
이지용(Ji-yong Lee),곽동호(Dong-ho Kwak),정병준(Byung-jun Jung),김종명(Jong-myung Kim) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Commonly aluminum alloy is a cheap price, has beautiful appearance. So aluminum alloy is used a lot in the car parts. But external environmental factors occur white-Rust problems and diminish in value of commodities. This research identify aluminum corrosion factors of white-rust, develop White-Rust reduction technology.