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Photocatalytic property of metal ion added SrTiO3 to Overall H2O splitting

Paper ID Volume ID Publish Year Pages File Format Full-Text
38814 45791 2016 6 PDF Available
Title
Photocatalytic property of metal ion added SrTiO3 to Overall H2O splitting
Abstract

•Photocatalytic activity of SrTiO3 to H2O splitting improved remarkably by adding Na+.•Added Na+ dispersed homogeneously in SrTiO3 without changing the morphology.•Improvement of the photocatalytic activity was originated with the nature of SrTiO3.•Addition of alkali, Al, Ga, In, and Mg ions to SrTiO3 was effective for the improvement.

The effects of the metal ion addition to SrTiO3 to the overall H2O splitting were investigated to improve the photocatalytic activity. The addition of metal ions was carried out by impregnation method. The preparation condition of metal ion added SrTiO3 was examined with applying Na+ ion as additive and SrTiO3 prepared by polymerizable complex method. The photocatalytic activity was markedly improved by the addition of Na+ ion and calcined above 1173 K. The preferable state of the photocatalyst was Na ion (2 atm%) added SrTiO3 obtained by calcination at 1273 K and the photocatalytic activity with a Rh0.3Cr1.7O3 (Rh:0.3 wt%) co-catalyst was 16 mmol/h for H2 and 8 mmol/h for O2 production. The apparent quantum yield (AQY) was 16% under the irradiation of 360 nm. The photocatalytic performance of Na+ ion added various SrTiO3 and the effects of various metal ion addition to SrTiO3 to the photocatalytic activity of the overall H2O splitting were investigated to discuss the influence of the added metal ions to the photocatalytic activity.

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Keywords
SrTiO3; Photocatalyst; Overall H2O splitting; Metal ion addition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 521, 5 July 2016, Pages 227–232
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
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