Preparation and characterization of the photocatalysts transition metal-doped Ti-SCM전이금속을 담지한 Ti-SCM 제조 및 특성연구
- Other Titles
- 전이금속을 담지한 Ti-SCM 제조 및 특성연구
- Authors
- Jung, Won-Chae; Hong, Ji-Sook; Suh, Jeong-Kwon; Suh, Dong-Hack
- Issue Date
- Aug-2010
- Publisher
- 한국공업화학회
- Keywords
- Humic acid; Ion-exchange; Photocatalytic; TiO 2; Transition metal
- Citation
- Applied Chemistry for Engineering, v.21, no.4, pp.445 - 451
- Indexed
- SCOPUS
KCI
- Journal Title
- Applied Chemistry for Engineering
- Volume
- 21
- Number
- 4
- Start Page
- 445
- End Page
- 451
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174327
- ISSN
- 1225-0112
- Abstract
- TiO 2 shows considerably efficient photoreaction activity under the ultraviolet range but it has disadvantage that there is no activity in the visible light range. In this study, it was tried to find a solution for the problem of this kind of photocatalyst by utilizing transition metal, which can show electronic transition with TiO 2 in the visible light area. Photocatalyst was prepared, which can have photocatalytic activity in the wide wavelength range, not only ultraviolet region but also visible light area and prevent the combination of electron and hole hindering the photoreaction. For this purpose, by using the ion exchange method, TiO 2 precursor and transition metal precursor were dipped into H typed strong acid ion-exchange resin. And two kind photocatalysts (Ti-M-SCM) in which transition metal and titanium dioxide coexist through the carbonization/ activation process was prepared. Moreover, photolytic reaction under the wavelength 254 nm and 365 nm was performed for humic acid (HA) in the continuous reactor in order to estimate the efficiency of produced Ti-M-SCM.
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