Issue 10, 2015
From the journal:

Journal of Materials Chemistry A

Synergetic effect between photocatalysis on TiO2 and solar light-driven thermocatalysis on MnOx for benzene purification on MnOx/TiO2 nanocomposites†

Yan Ma,a   Yuanzhi Li,*a   Mingyang Mao,a   Jingtao Hou,a   Min Zenga  and  Xiujian Zhaoa  

* Corresponding authors

a State Key Laboratory of Silicate Materials for Architectures (Wuhan University of Technology), 122 Luoshi Road, Wuhan 430070, P. R. China
E-mail: liyuanzhi66@hotmail.com

Abstract

MnOx/TiO2 nanocomposites are prepared by the hydrothermal redox reaction of Mn(NO3)2 and KMnO4 with KMnO4/Mn(NO3)2 molar ratio of 2 : 1 in the presence of TiO2(P25). The MnOx/TiO2 nanocomposites are characterized by XRD, TEM, EDX, XPS, and BET. Manganese oxide supported on TiO2 nanoparticles is amorphous. The MnOx/TiO2 nanocomposites can efficiently transform absorbed solar energy into thermal energy, resulting in a considerable increase of temperature. The MnOx/TiO2 nanocomposites exhibit excellent catalytic activity and durability for the gas-phase oxidation of carcinogenic and recalcitrant benzene under the irradiation of full solar spectrum light and visible-infrared light. For the first time, we find a synergetic effect between photocatalysis on TiO2 and solar light-driven thermocatalysis on supported manganese oxide, which significantly improves the catalytic activity of the MnOx/TiO2 nanocomposites.

Graphical abstract: Synergetic effect between photocatalysis on TiO2 and solar light-driven thermocatalysis on MnOx for benzene purification on MnOx/TiO2 nanocomposites

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Article information

DOI
https://doi.org/10.1039/C5TA00126A
Article type
Paper
Submitted
07 Jan 2015
Accepted
29 Jan 2015
First published
29 Jan 2015

J. Mater. Chem. A, 2015,3, 5509-5516

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Synergetic effect between photocatalysis on TiO2 and solar light-driven thermocatalysis on MnOx for benzene purification on MnOx/TiO2 nanocomposites

Y. Ma, Y. Li, M. Mao, J. Hou, M. Zeng and X. Zhao, J. Mater. Chem. A, 2015, 3, 5509 DOI: 10.1039/C5TA00126A

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