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Titanate nanotubes co-sensitized with cadmium sulfide nanoparticles and porphyrin zinc: Preparation and enhanced photocatalytic activity under visible light

Paper ID Volume ID Publish Year Pages File Format Full-Text
50986 46824 2012 4 PDF Available
Title
Titanate nanotubes co-sensitized with cadmium sulfide nanoparticles and porphyrin zinc: Preparation and enhanced photocatalytic activity under visible light
Abstract

Titanate nanotubes (TNTs) co-sensitized with CdS nanoparticles and 5-(4-hydroxyphenyl)-10,15,20-triphenylporphyrin zinc (ZnMOHPP) were prepared by a simple process. In the co-sensitized TNTs, CdS nanoparticles were anchored on the surface of TNTs by an in-situ ion-change reaction, and ZnMOHPP molecules were linked on the surface of TNTs by interaction of hydroxyl groups. Importantly, the co-sensitized TNTs possessed excellent light-harvesting, efficient separation of the photogenerated charges and higher visible-light photocatalytic activity. It was attributed to the complementary absorption and the intimate anchoring between TNTs and co-sensitizers.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► CdS and porphyrin can be anchored on the titanate nanotubes (TNTs). ► The co-sensitized TNTs showed higher visible-light photocatalytic acitivity. ► The complementary absorption is profitable for light-harvesting. ► The anchoring is profitable for separation of the charges.

Keywords
Titanate nanotubes; Co-sensitization; Heterogeneous catalysis; Visible-light
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Titanate nanotubes co-sensitized with cadmium sulfide nanoparticles and porphyrin zinc: Preparation and enhanced photocatalytic activity under visible light
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 17, 5 January 2012, Pages 136–139
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