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Photocatalytic property of strontium–niobium mixed oxide prepared by utilizing organic mediators to the overall splitting of H2O

Paper ID Volume ID Publish Year Pages File Format Full-Text
54228 47001 2015 4 PDF Available
Title
Photocatalytic property of strontium–niobium mixed oxide prepared by utilizing organic mediators to the overall splitting of H2O
Abstract

•Preparation of Sr–Nb mixed oxide photocatalyst for H2O splitting by PC method.•The photocatalytic activity is influenced by the organic chelate polymer ligands.•The chelate polymer ligands influence the crystallization of the mixed oxide.•The chelate polymer ligands also influence the morphology of the prepared oxides.

The effects of the polymer precursor in polymerizable complex (PC) method for the preparation of a Sr–Nb mixed oxide photocatalyst were studied. A polymer made of citric acid and ethylene glycol, which is generally applied in the PC method, as well as that made of succinic acid and 2-(2-aminoethylamino)ethanol (AEEA) were used as polymer chelating ligands. The photocatalytic activity of prepared mixed oxides for the overall H2O splitting depended on the oxide crystal structure, which was affected by the chelating complex polymer precursors and the calcination temperature. In particular, the Sr–Nb mixed oxide prepared from succinic acid and AEEA precursors showed the significantly high photocatalytic activity for the overall splitting of H2O after calcination at 973 K. The influences of the origin of polymer precursors to the crystal structure and the composition of the Sr–Nb mixed oxide and its photocatalytic performance to the overall H2O splitting are discussed.

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Keywords
Polymerizable complex method; Sr–Nb mixed oxide; Photocatalyst; Overall H2O splitting
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Photocatalytic property of strontium–niobium mixed oxide prepared by utilizing organic mediators to the overall splitting of H2O
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 246, 15 May 2015, Pages 172–175
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