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Photocatalytic oxidation of toluene to benzaldehyde over anatase TiO2 hollow spheres with exposed {001} facets

Paper ID Volume ID Publish Year Pages File Format Full-Text
50374 46793 2011 5 PDF Available
Title
Photocatalytic oxidation of toluene to benzaldehyde over anatase TiO2 hollow spheres with exposed {001} facets
Abstract

A new series of anatase TiO2 hollow structures were prepared by a facile hydrothermal process. When the hydrothermal time was increased from 20 min to 72 h, the resulting TiO2 solid spheres gradually transformed into TiO2 hollow spheres with higher surface crystallinity and exposed {001} facets. The as-prepared TiO2-72 h sample exhibited the highest activity comparing to other TiO2-based samples and commercial product Degussa P-25 towards the selective photocatalytic oxidation of toluene to benzaldehyde. Such great photocatalytic performance was mainly attributed to enhanced UV-adsorption and better charge separation efficiency due to higher surface crystallinity of TiO2-72 h.

Grapical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► Hydrothermal synthesis of hollow structured TiO2 with exposed {001} facets. ► Enhanced surface crystallinity promoted UV-adsorption and charge separation. ► High crystallinity and exposed {001} facets resulted in high conversion of toluene. ► Controllable morphology from solid to hollow structure.

Keywords
TiO2 hollow spheres; Exposed {001} facets; Photocatalysis; Selective oxidation of toluene
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Photocatalytic oxidation of toluene to benzaldehyde over anatase TiO2 hollow spheres with exposed {001} facets
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 11, 10 June 2011, Pages 946–950
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us