| PHOTOCATALYTIC DEGRADATION OF 2-CHLOROPHENOL USING TiO2 THIN FILMS PREPARED BY CHEMICAL VAPOR DEPOSITION AND ION BEAM SPUTTERING METHOD |
| Oh-Jin Jung†, Sam-Hyeok Kim, Ji-Eun Jo, and Chul-Ho Hwang |
| School of Environmental Engineering, Chosun University, Gwang-ju 501-759, Korea |
Corresponding Author:
Oh-Jin Jung ,Tel: +82-62-230-6644, Fax: +82-62-234-6754, Email: ojjung@mail.chosun.ac.kr
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Received: August 8, 2002; Accepted: October 9, 2002. |
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| ABSTRACT |
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Chemical vapor deposition (CVD), ion beam sputtering (IBS) and sol-gel method were used to prepare Ti02 thin films for degradation of hazardous organic compounds exemplified by 2-chlorophenol (2-CP). The influence of supporting materials and coating methods on the photocatalytic activity of the Ti02 thin films were also studied. TiCb thin films were coated onto various supporting materials including steel cloth (SS), copper cloth, quartz glass tube (QGT), and silica gel (SG). Results indicate that SS (37 ^mJ-TiOi thin film prepared by IBS method improves the photodegradation of 2-CP. Among all supporting materials studied, SS(37 ym) is found to be the best support. |
| Keywords:
2-chlorophenol | CVD-IBS | photocatalytic degradation | reaction kinetics | TiO2 thin film |
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