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Synthesis, characterization, and photocatalytic studies of copper-doped TiO2 hollow spheres using rape pollen as a novel biotemplate

Paper ID Volume ID Publish Year Pages File Format Full-Text
49829 46769 2012 5 PDF Available
Title
Synthesis, characterization, and photocatalytic studies of copper-doped TiO2 hollow spheres using rape pollen as a novel biotemplate
Abstract

Copper/titanium dioxide (Cu/TiO2) hollow microspheres were fabricated by direct coating of shells on the surface of rape pollen through an improved sol–gel process. Rape pollen grains were used as biotemplates, and they could be removed easily at high temperature. The average diameter of the as-synthesized hollow spheres was 15–20 μm, and the thickness of the hollow sphere shells was approximately 0.6 μm. These hollow microspheres had a higher specific surface area and exhibited stronger adsorptive capacity compared with the commercial p-25 system. The results indicate that Cu/TiO2 hollow microspheres have promising photocatalytic applications.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Rape pollen was used as biotemplate to prepare hollow spherical photocatalyst. ► The pollen grains could be easily removed at high temperature. ► Hollow spherical photocatalyst has high surface area and strong absorptive ability. ► The formation mechanism of hollow microsphere had been discussed.

Keywords
Copper-doped TiO2; Hollow microsphere; Rape pollen; Photocatalysts; Nanomaterials
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Synthesis, characterization, and photocatalytic studies of copper-doped TiO2 hollow spheres using rape pollen as a novel biotemplate
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 29, 5 December 2012, Pages 24–28
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