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Highly efficient and stable hydrogen evolution from water with CdS as photosensitizer—A noble-metal-free system

Paper ID Volume ID Publish Year Pages File Format Full-Text
45953 46427 2014 6 PDF Available
Title
Highly efficient and stable hydrogen evolution from water with CdS as photosensitizer—A noble-metal-free system
Abstract

•Facile method: The catalysts were synthesized by a facile solvothermal method without any templates.•Excellent photocatalytic properties: The 20CBZTO exhibits excellent photocatalytic property without loading noble metals.•Unique effect: CdS acts as photosensitizer and combines with Ba1−xZnxTiO3 to form heterojunctions.•Design synthesis: CdS/Ba1−xZnxTiO3 composites was designed and prepared based on their band structures.

CdS/Ba1−xZnxTiO3 heterostructured photocatalysts were developed as a highly efficient and stable system for photocatalytic evolution of hydrogen from water splitting. In the system, CdS not only functions as photosensitizer to absorb visible light, but also participates with Ba1−xZnxTiO3 for the generation of heterojunctions that block the recombination of photogenerated electrons and holes. The photocatalysts show excellent activity and stability, giving a high H2 production rate of 1473 μmol h−1 g−1 under the irradiation of simulated solar light in a test period of 480 h without loading any noble metal as cocatalyst or any reagents for regeneration. This study demonstrates that the development of CdS nanoparticles as photosensitizer is feasible for the photocatalytic H2 production.

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Keywords
Heterostructured; Hydrogen production; Photocatalyst; Photosensitizer; Water splitting
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Highly efficient and stable hydrogen evolution from water with CdS as photosensitizer—A noble-metal-free system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 150–151, 5 May 2014, Pages 466–471
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