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Fabrication of Fe-ACF/TiO2 composites and their photonic activity for organic dye

오원춘|고원배|장간|맹칙달
한국분석과학회|2009.06|분석과학 (Analytical Science & Technology)|제22권 제3호|pp. 254-262

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참고문헌

키워드

SEMFeMethylene blueActivated carbon fiberPhoto-Fenton
주제분류화학

초록

Activated carbon fiber treated with iron compound (Fe-ACF) was employed for preparation of Feactivated carbon fiber/TiO2 (Fe-ACF/TiO2) composite catalysts. Then, the prepared Fe-ACF/TiO2 composite catalysts were characterized by employing BET, SEM, XRD and EDX instruments. It showed that BET surface area was related to adsorption capacity for each composite. The SEM results showed that ferric compound and titanium dioxide were distributed on the surfaces of ACF. The XRD results showed that Fe-ACF/TiO2 composite mostly contained an anatase structure with a Fe mediated compound. EDX results showed the presence of C, O, and Ti with Fe peaks in Fe-ACF/TiO2 composites. From photocataytic degradation effect, it was observed in the organic dye (Methylene blue, MB) degradation by these composites. Different degradation effect can be attributed to the synergetic effects of photo-Fenton reaction of Fe. It was considered that the combined reactions of Fe-ACF/TiO2 produce powerful photo-Fenton process in the MB degradation.

Abstract

Activated carbon fiber treated with iron compound (Fe-ACF) was employed for preparation of Feactivated carbon fiber/TiO2 (Fe-ACF/TiO2) composite catalysts. Then, the prepared Fe-ACF/TiO2 composite catalysts were characterized by employing BET, SEM, XRD and EDX instruments. It showed that BET surface area was related to adsorption capacity for each composite. The SEM results showed that ferric compound and titanium dioxide were distributed on the surfaces of ACF. The XRD results showed that Fe-ACF/TiO2 composite mostly contained an anatase structure with a Fe mediated compound. EDX results showed the presence of C, O, and Ti with Fe peaks in Fe-ACF/TiO2 composites. From photocataytic degradation effect, it was observed in the organic dye (Methylene blue, MB) degradation by these composites. Different degradation effect can be attributed to the synergetic effects of photo-Fenton reaction of Fe. It was considered that the combined reactions of Fe-ACF/TiO2 produce powerful photo-Fenton process in the MB degradation.

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