Photocatalytic Activity of K2La2Ti3O10Doped with B for Hydrogen Production from Water Splitting

Chinese Journal of Catalysis ›› 2009, Vol. 30 ›› Issue (2): 147-153.

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Photocatalytic Activity of K2La2Ti3O10Doped with B for Hydrogen Production from Water Splitting

YANG Yahui1,2*, CHEN Qiyuan1, LI Jie1

1 College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China; 2 College of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China

Received:2009-02-25 Online:2009-02-25 Published:2012-11-21

Abstract

Abstract: The layered perovskite type oxide, K2La2Ti3O10 doped with B, exhibit ed high photocatalytic activity for hydrogen production. The optimum doping c oncentration of B was 0.01∶1(B∶Ti), and the ultraviolet hydrogen production rate was 157.1 μmol/(L·h), which was raised by 166% compared with undoped K 2La2Ti3O10. The optimum doping concentration of B was 0.02∶1, and t he visible hydrogen production rate was 85.2 μmol/(L·h), which was 5.2 times t hat undoped K2La2Ti3O10.

Key words: perovskite type oxide, boron, photocatalytic activity, water, hydrogen, first princile calculation

YANG Yahui;*;CHEN Qiyuan;LI Jie. Photocatalytic Activity of K2La2Ti3O10Doped with B for Hydrogen Production from Water Splitting[J]. Chinese Journal of Catalysis, 2009, 30(2): 147-153.

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Photocatalytic Activity of K2La2Ti3O10Doped with B for Hydrogen Production from Water Splitting

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