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Photocatalytic degradation of gaseous toluene over bcc-In2O3 hollow microspheres

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Authors
Zhang, Q.
Li, Xin Yong
Zhao, Q.
Shi, Y.
Zhang, F.
Liu, B.
Ke, J.
Wang, L.
Date
2015
Type
Journal Article

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Zhang, Q. and Li, X.Y. and Zhao, Q. and Shi, Y. and Zhang, F. and Liu, B. and Ke, J. et al. 2015. Photocatalytic degradation of gaseous toluene over bcc-In2O3 hollow microspheres. Applied Surface Science. 337: pp. 27-32.
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Applied Surface Science
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Department of Chemical Engineering
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Abstract

© 2015 Elsevier B.V. All rights reserved. In this work, the body-centered cubic indium oxide (bcc-In2O3) hollow microspheres were prepared via a P123-assisted solvothermal process. The structural properties of samples were investigated by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, UV-visible diffusive reflectance spectroscopy, and nitrogen adsorption-desorption isotherms. The photocatalytic effects of degrading gaseous toluene were evaluated by gas chromatography and in situ Fourier transform infrared (FTIR) spectra under a irradiation of a 500 W high pressure xenon lamp. The results indicated that the as-prepared bcc-In2O3 hollow microspheres exhibited a high degradation efficiency towards toluene within a short reaction time. Besides, the preliminary mechanism therein was inferred with the aid of in situ FTIR and electron spin-paramagnetic resonance techniques to understand the degradation process.