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논문 기본 정보

자료유형
학술대회자료
저자정보
Jeong, Sun-Ho (Korea Research Institute of Chemical Technology) Song, Hae-Chon (Korea Research Institute of Chemical Technology) Lee, Byung-Seok (Korea Research Institute of Chemical Technology) Lee, Ji-Yoon (Korea Research Institute of Chemical Technology) Choi, Young-Min (Korea Research Institute of Chemical Technology) Ryu, Beyong-Hwan (Korea Research Institute of Chemical Technology)
저널정보
한국재료학회 한국재료학회 학술발표대회 한국재료학회 2010년도 춘계학술발표대회
발행연도
2010.1
수록면
182 - 182 (1page)

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For the past a few years, we have intensively researched the printable inorganic conductors and ZnO-based amorphous oxide semiconductors (AOSs) for thin-film transistors. For printable conductor materials, we have focused on the aqueous Ag and Cu ink which possess a variety of advantages, comparing with the conventional metal inks based on organic solvent system. The aqueous Ag ink was designed to achieve the long-term dispersion stability using a specific polymer which can act as a dispersant and capping agent, and the aqueous Cu ink was carefully formulated to endow the oxidation stability in air and even aqueous solvent system. The both inks were successfully printed onto either polymer or glass substrate, exhibiting the superior conductivity comparable to that of bulk one. For printable ZnO-based AOSs, we have researched the noble way to resolve the critical problem, a high processing-temperature above $400^{\circ}C$, and recently discovered that Ga doping in ZnO-based AOSs promotes the formation of oxide lattice structures with oxygen vacancies at low annealing-temperatures, which is essential for acceptable thin-film transistor performance. The mobility dependence on annealing temperature and AOS composition was analyzed, and the chemical role of Ga are clarified, as are requirements for solution-processed, low-temperature annealed AOSs.

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