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논문 기본 정보

자료유형
학술저널
저자정보
Chen, Ming-Liang (Department of Advanced Materials & Science Engineering, Hanseo University) Bae, Jang-Soon (Department of Industrial Chemistry, Dankook University) Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University)
저널정보
한국탄소학회 Carbon science Carbon science 제7권 제4호
발행연도
2006.1
수록면
259 - 265 (7page)

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초록· 키워드

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Carbon-coated $TiO_2$ was prepared by $CCl_4$ solvent mixing method with the different heat treated temperatures (HTTs). Since the carbon layers derived from pitch on the $TiO_2$ particles were porous, the carbon-coated $TiO_2$ sample series showed a good adsorptivity. The values of BET surface areas measured were shown independently on the HTTs. The surface states by SEM present to the characterization of porous texture on the carbon-coated $TiO_2$ sample and carbon distributions on the surfaces. From XRD data, PT700 and PT750 were shown the X-ray diffraction patterns of the anatase $TiO_2$, but PT800 and PT850 were kept anatase-type structure even after heating at $800^{\circ}C$, though small amount of the rutile-type structure appears. The results of EDX microanalyses were observed for each sample show the spectra corresponding to almost all samples similar to C, O and Ti elements with an increase of HTTs. Finally, the excellent photoactivity of carbon-coated $TiO_2$ (especially, PT700 and PT750) could be attributed to the homogeneous coated carbon on the external surface and the structural anatase phase.

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