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Heterojunction formed by TiO2 supported on lamellar La2NiO4 perovskite for enhanced visible-light-driven photocatalytic hydrogen production

Heterojunction formed by TiO2 supported on lamellar La2NiO4 perovskite for enhanced... Abstract.In our work, UV-response with a small visible light absorption TiO2 nanoparticles were supported on lamellar La2NiO4 perovskite to build a type I heterojunction for efficient hydrogen production under visible light. It was found that, with the increase of La2NiO4 contents, the hydrogen production rates gradually increased and amounted to the highest value when the mass fraction of La2NiO4 was 8 wt. %, which is 39.5 times that of the initial La2NiO4 nanosheets without the cocatalyst Pt. When 1 wt. % Pt was loaded, the photocatalytic activity for the composite photocatalyst increased by 369.0 times that of the initial La2NiO4. Our work should be of value for the preparation of visible responsive heterojunction photocatalysts with high activity, fair stability, and low toxicity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photonics for Energy SPIE

Heterojunction formed by TiO2 supported on lamellar La2NiO4 perovskite for enhanced visible-light-driven photocatalytic hydrogen production

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Publisher
SPIE
Copyright
© 2021 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN
1947-7988
eISSN
1947-7988
DOI
10.1117/1.jpe.11.034001
Publisher site
See Article on Publisher Site

Abstract

Abstract.In our work, UV-response with a small visible light absorption TiO2 nanoparticles were supported on lamellar La2NiO4 perovskite to build a type I heterojunction for efficient hydrogen production under visible light. It was found that, with the increase of La2NiO4 contents, the hydrogen production rates gradually increased and amounted to the highest value when the mass fraction of La2NiO4 was 8 wt. %, which is 39.5 times that of the initial La2NiO4 nanosheets without the cocatalyst Pt. When 1 wt. % Pt was loaded, the photocatalytic activity for the composite photocatalyst increased by 369.0 times that of the initial La2NiO4. Our work should be of value for the preparation of visible responsive heterojunction photocatalysts with high activity, fair stability, and low toxicity.

Journal

Journal of Photonics for EnergySPIE

Published: Jul 1, 2021

Keywords: heterojunction; photocatalytic; layered perovskite oxide; semiconductor coupled modified

References