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Response surface methodology for optimization of the one-step preparation of RGO-TNTs as visible light catalysts
- Authors
- Ali, Imran; Kim, Seu-Run; Park, Kyungmin; Kim, Jong-Oh
- Issue Date
- Sep-2017
- Publisher
- TAYLOR & FRANCIS INC
- Keywords
- Nanomaterials; one-step synthesis; organic degradation; RGO-TNTs; RSM; visible light
- Citation
- CHEMICAL ENGINEERING COMMUNICATIONS, v.204, no.9, pp.1049 - 1060
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL ENGINEERING COMMUNICATIONS
- Volume
- 204
- Number
- 9
- Start Page
- 1049
- End Page
- 1060
- ISSN
- 0098-6445
- Abstract
- The reduced graphene oxide (RGO) coupled TiO2 nanotube (TNT) visible light catalyst was synthesized in a one-step anodization process. Response surface methods statistically determine the optimum conditions for the design and analysis of experiments. The photoelectrochemical activity of RGO-TNTs was tested by degradation of organics under visible light irradiation. The optimum synthesis condition was found when the RGO-TNT catalyst was anodized in one-step at 47.74V for 2.06h, and this synthesis shows almost complete degradation. The as-prepared catalyst was characterized by FE-SEM, XRD, AES, PL, and UV-vis DRS analyses. The reusability test was performed in order to investigate the stability of the catalyst.
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Related Researcher
- Kim, Jong Oh
- COLLEGE OF ENGINEERING (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)