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Photocatalytic NO abatement by cement blocks covered with Fe–TiO2 and surface hardening agents: Impacts of Fe–TiO2 contents of coating solutions by Shufang Zhao; Soong Yeon Kim; Shahid Saqlain; Byeong Jun Cha; Hyun Ook Seo; Young Dok Kim is a Materials Science article available to read on EtoBox.
What is Photocatalytic NO abatement by cement blocks covered with Fe–TiO2 and surface hardening agents: Impacts of Fe–TiO2 contents of coating solutions about?
In this study, the photocatalytic activity of commercial TiO2 particles (R996) in promoting the oxidation of NO under visible light irradiation at 50% relative humidity was enhanced by the temperature-regulated chemical vapor deposition of Fe-oxide (0.4 wt%) and post-annealing (375 °C, 2 h). Fe–TiO2@SHA/cement block samples were prepared by dispersing the modified TiO2 particles (Fe–TiO2) on cement blocks using a surface hardening agent (SHA) as a binder. The Fe–TiO2@SHA/cement blocks exhibited higher photocatalytic activity in promoting the conversion of NO into NO3 − than the particulate counterparts. The Fe–TiO2@SHA/cement blocks exhibited dissimilar patterns in terms of the changes in NO removal as a function of the reaction time in the early stage of the reaction (0–150 min) depending on the Fe–TiO2 contents. The removal of NO increased gradually as the reaction time increased with lower Fe–TiO2 contents, whereas a gradual decrease in NO removal as a function of the reaction time was observed with higher Fe–TiO2 contents. The dependence of the response on the Fe–TiO2 contents was attributed to the dissimilar Fe–TiO2 structures formed on the cement blocks due to variations in t
Who reads Photocatalytic NO abatement by cement blocks covered with Fe–TiO2 and surface hardening agents: Impacts of Fe–TiO2 contents of coating solutions?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Shufang Zhao; Soong Yeon Kim; Shahid Saqlain; Byeong Jun Cha; Hyun Ook Seo; Young Dok Kim
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Materials Science (Physical Sciences)