학회 | 한국재료학회 |
학술대회 | 2003년 가을 (11/21 ~ 11/22, 연세대학교) |
권호 | 9권 2호 |
발표분야 | 세라믹스 |
제목 | TiCl3를 이용해서 합성된 TiO2박막의 특성 |
초록 | Abstract The peroxo titanic acid solution was successfully prepared using titanium trichloride as a precursor. The basic properties of the TiO2 film prepared by the solution were investigated in view of phase change, bandgap energy, crystalline size etc. The film displayed amorphous TiO2 at room temperature, anatase above 281℃ and a mixture of anatase and rutile at 990℃. The crystalline size increases with annealing temperatures, while the bandgap energies decrease due to the quantum size effect and the formation of rutile phase which has low bandgap energy. As a result of TG-DTA, it was found that annealing treatment at 990℃ for 2h formed a mixtures of anatase and rutile through three steps: (1) the removal of physically adsorbed water (2) the decomposition of peroxo group (3) amorphous-anatase or anatase-rutile phase transformation. |
저자 | 김강혁1, 이창근1, 이규환2, 김인수1 |
소속 | 1동아대, 2한국기계(연) |
키워드 | TiCl3; TiO2 |