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저온 용액공정을 이용한 인듐갈륨 산화물(IGO) 박막트랜지스터 제조 및 특성 연구
배은진 ( Eun Jin Bae ),이진영 ( Jin Young Lee ),한승열 ( Seung Yeol Han ),ChihHungChang,류시옥 ( Si Ok Ryu ) 한국화학공학회 2011 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.49 No.5
Solution processed IGO thin films were prepared using a general chemical solution route by spin coating. The effect of the annealing temperature of IGO thin films based on the ratio of 2:1 of indium to gallium on crystallization was investigated with varying annealing temperature from 300 °C to 600 ˚C. The electronic device characteristic of IGO thin film was investigated. The solution-processed IGO TFTs annealed at 300 and 600 °C in air for 1 h exhibited good electronic performances with field effect mobilities as high as 0.34 and 3.83 cm2/V·s, respectively. The on/off ratio of the IGO TFT in this work was 10(5) with 98% transmittance.
Wire Saw 슬러리로부터 Si와 SiC의 선택적 회수
한승열,이종대,전진혁,박노국,이태진,류시옥 嶺南大學校 工業技術硏究所 2004 工業技術硏究所論文集 Vol.32 No.1
This study was focused on the recovery of Si and SiC from wire saw slurry in wire saw slicing process. In order to separate Si and SiC from wire saw slurry, alkali dissolution method was used and then Na₂O showed superior dissolution property of Si. At this time, SiC was separated as powder from alkali aqueous solution. Si was dissolved as a liquid in alkali aqueous solution. After removing SiC powder, the powder was obtained by drying alkali aqueous solution and then it's XRD analysis showed that it was the water glass (Na₂SiO₃).
Wire Saw 슬러리로부터 Si, SiC 분리 및 제올라이트 합성에 대한 연구
한승열,이종대,박노국,이태진,류시옥 한국공업화학회 2004 응용화학 Vol.8 No.1
This study was focused on the separation of Si and from Wire Saw Slurry in Wire Saw Slicing process and synthesis of zeolite by mixing with water glass obtained from its process and Alumina. In order to separate Si and SiC from Wire Saw Slurry, Alkai disslution was used and then Na₂O showed superior dissoluble property of Si. At this time, SiC was separated as powder from Alkali apueous solution. Si was dissolved as a liquid in Alkali aqueous solution. After removing SiC powder, the powder formed was obtained from drying. Alkali aqueous solution and then it was the water glass (Na₂SiO₃)confirmed by XRD analysis. Water glass (Na₂SiO₃) and Alumina mixed with pure water made as a synthesis of zeolite through the crystallization by aging and hydrothermal reaction. The manufactured zeolite was Sodium Aluminum Silicate Hydrate confirmed by XRD analysis.