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제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Preparation and photocatalytic activity of TiO2-reduced graphene oxide/CNF nano-composite under visible-spectra

등록일
2013년 8월 28일 10시 29분 58초
접수번호
0451
발표코드
IND.P-72 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
공업화학
저자 및
공동저자
김창효, 김보혜1,*, 양갑승2,*
전남대학교 고분자공학과, Korea
1대구대학교 과학교육학부, Korea
2전남대학교 고분자 섬유 시스템공학과, Korea
In this work, we prepared high efficient and visible sensitive TiO2-reduced graphene oxide(RGO)/CNF photocataylst nano-composite by using electro-spinning and sol-gel method. As-prepared photocatalyst nano-composite were characterized by transmission electron microscopy(TEM), X-ray diffraction(XRD), field-emission scanning electron microscopy(FE-SEM), Raman spectroscopy, X-ray photoelectron spectroscopy(XPS) and PL spectrometer. The photocatalytic activities were evaluated by degradation of methylene blue under visible light irradiation in the aqueous solution. The photocatalytic activities of TiO2-RGO/CNF was shown highest efficiency than other control samples of RGO/CNF and TiO2/CNF. The excellent enhancing effect of TiO2-RGO/CNF was attributed to high migration efficiency of photoinduced electrons and the inhibition of charge/carrier recombination due to the electronic interaction between TiO2 and graphene. The catalyst efficiency of the TiO2-RGO/CNF was sustained after 5 cycles.

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