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논문 기본 정보

자료유형
학술저널
저자정보
Go, Yu-Gyoung (Department of Advanced Materials & Science Engineering, Hanseo University) Kwon, Ho-Joung (Department of Advanced Materials & Science Engineering, Hanseo University) Chen, Ming-Liang (Department of Advanced Materials & Science Engineering, Hanseo University) Zhang, Feng-Jun (Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture) Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University)
저널정보
한국재료학회 한국재료학회지 한국재료학회지 제19권 제10호
발행연도
2009.1
수록면
555 - 561 (7page)

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Expanded graphite (EG) is synthesized by chemical intercalation of natural graphite (NG) and rapid expansion at high temperature, with titanium n-butoxide (TNB) used as titanium source by a sol-gel method to prepare EG-TiO$_2$ composite. The performances of the prepared EG-TiO$_2$ composite are characterized by BET surface area measurement, scanning electron microscopy (SEM), X-ray diffraction patterns (XRD) and energy dispersive X-ray analysis (EDX). To compare the photocatalytic activities of the EG-TiO$_2$ composite, three kinds of dye solutions, methylene blue (MB), methylene orange (MO) and rhodamine B (RhB), and two kinds of light source, UV light and visible light (VL), are used. Comparing the results, it can be clearly seen that the degradation of all of the dye solutions under irradiation by UV light is much better than that under irradiation by visible light, and the decomposition of MB solution was better than that of both of MO and RhB solution.

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