Boron Carbides as Efficient, Metal-Free, Visible-Light-Responsive Photocatalysts

From armor plating to photocatalysis: Two photocatalysts based on boron carbides, B4.3C and B13C2, are reported. The more stable and efficient B4.3C exhibits H2 evolution rates of about two orders of magnitude higher than graphitic C3N4, and without the need for noble metal cocatalysts. Also, both m...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2013-03, Vol.52 (11), p.3241-3245
Main Authors: Liu, Jikai, Wen, Shuhao, Hou, Yang, Zuo, Fan, Beran, Gregory J. O., Feng, Pingyun
Format: Article
Language:English
Subjects:
Armored vehicles
boron
Boron carbide
carbides
Evolution
hydrogen evolution
Light irradiation
Noble metals
Photocatalysis
Photocatalysts
Photocathodes
water reduction
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Summary:From armor plating to photocatalysis: Two photocatalysts based on boron carbides, B4.3C and B13C2, are reported. The more stable and efficient B4.3C exhibits H2 evolution rates of about two orders of magnitude higher than graphitic C3N4, and without the need for noble metal cocatalysts. Also, both materials can act as photocathodes for photoelectrochemical water reduction under visible light irradiation.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201209363