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Response surface methodology for optimization of the one-step preparation of RGO-TNTs as visible light catalysts

Title
Response surface methodology for optimization of the one-step preparation of RGO-TNTs as visible light catalysts
Author
김종오
Keywords
Nanomaterials; one-step synthesis; organic degradation; RGO-TNTs; RSM; visible light
Issue Date
2017-07
Publisher
TAYLOR & FRANCIS INC
Citation
CHEMICAL ENGINEERING COMMUNICATIONS, v. 204, no. 9, page. 1049-1060
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.
URI
https://www.tandfonline.com/doi/abs/10.1080/00986445.2017.1336092?journalCode=gcec20https://repository.hanyang.ac.kr/handle/20.500.11754/114870
ISSN
0098-6445; 1563-5201
DOI
10.1080/00986445.2017.1336092
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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