| 학회 |
한국재료학회 |
| 학술대회 |
2011년 봄 (05/26 ~ 05/27, 제주 휘닉스 아일랜드) |
| 권호 |
17권 1호 |
| 발표분야 |
C. Energy and the Environment Technology(에너지 및 환경재료) |
| 제목 |
Photocatalytic activities and physicochemical properties of V-Doped TiO2 nano-powders by Sonochemical method |
| 초록 |
With respect to metal doping into TiO2, the doping limits for Vanadium is predicted to be higher than other transition metals according to the binding energy calculations in a unit cell model of anatase TiO2, which suggests that Vanadium can be doped into anatase structure more easily than Ag or Pt, for example. Our investigation has twofold research objectives. One is to prepare V-doped TiO2 nano-powders from different percentages (0.2, 0.5, 2, 5wt%) of V and the other is to test photocatalytic activities of each resulting powders. For the former, sonochemical process has been used to produce V-doped TiO2 nanoparticles. For the latter, we have performed photocatalytic oxidation of methylene blue. The combined result of the morphology and photocatalytic activities have enabled the characterization of physicochemical properties of V-doped TiO2 nano-particle from different percentages (0.2, 0.5, 2, 5wt%) of Vanadium. |
| 저자 |
Ah Young Choi1, Sung Hun Cho2, Tae-Ho Kim3, Yamaguchi Tokutaro4, Chul-Hee Han5, Soo Wohn Lee2
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| 소속 |
1Department of physical chemistry, 2Sun Moon Univ., 3Asan, 4Korea, 5Global Research Laboratory |
| 키워드 |
Sonochemical; V-doping; TiO2; nanoparticles; photocatalytic activities
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| E-Mail |
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