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TiO2 나노튜브의 열처리 온도에 따른 Anatase 상의 분포와 그에 따른 광 촉매 효율Distribution of Anatase Phase Depending on the Thermal Treatment Temperature of TiO2 Nanotubesand Its Effects on the Photocatalytic Efficiency
- Other Titles
- Distribution of Anatase Phase Depending on the Thermal Treatment Temperature of TiO2 Nanotubesand Its Effects on the Photocatalytic Efficiency
- Issue Date
- 2008
- Publisher
- 한국세라믹학회
- Keywords
- Photo-catalytic; Nanotube; TiO2; TiO2 nanotub; Crystallization
- Citation
- 한국세라믹학회지, v.45, no.6, pp 331 - 335
- Pages
- 5
- Journal Title
- 한국세라믹학회지
- Volume
- 45
- Number
- 6
- Start Page
- 331
- End Page
- 335
- ISSN
- 1229-7801
2234-0491
- Abstract
- The purpose of this study is to characterize the photo-catalytic efficiency of TiO2 nanotube with respect to the distribution of anatase phase which can be changed by the annealing temperature of TiO2 nanotube. TiO2 nanotube was fabricated by the anodization method in the 0.5 wt% HF electrolyte. And then the TiO2 nanotube was annealed at temperatures ranging from 380 o C to 780 o C in dry oxygen ambient for 2 h. For the photo-catalytic water-splitting tests, the photocurrent density was measured as a function of applied potential with a potentiostat using a Ag/AgCl reference, Pt counter electrode, and 1M KOH electrolyte under illumination of UV by a Xe arc lamp of 1 KW. According to the UV photo-catalytic water-splitting tests, the nanotube annealed at 560 o C was found to show the highest photocurrent density.
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Collections - Department of Materials Science and Engineering > 1. Journal Articles
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