Journal of Catalysis, volume 260, issue 1, pages 134-140

Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation

Publication typeJournal Article
Publication date2008-11-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor7.3
ISSN00219517, 10902694
Catalysis
Physical and Theoretical Chemistry
Abstract
The conversion of H 2 S into H 2 and S (H 2 S → H 2 + S) is beneficial from both environmental and energy standpoints. Here we report that H 2 S can be splitted stoichiometrically into hydrogen and sulfur on CdS-based photocatalysts under visible light irradiation using ethanolamine as a H 2 S solvent and reaction media at room temperature. Raman spectra showed that the produced sulfur existed as S 2− 4 and S 2− 6 after photocatalytic reaction. The hydroxyls of the reaction media were found to be crucial for the hydrogen production, and the rate-determining step (RDS) of photocatalytic splitting H 2 S in diethanolamine is discussed. Electrochemical evaluation showed that the potential of H 2 S splitting in ethanolamine was greatly lowered and the photogenerated electrons could be fully used to reduce protons for hydrogen production. A free-radical-related one-electron electrochemical oxidation process on platinum electrode is suggested. This work demonstrates the possibility of the direct splitting H 2 S into S and H 2 via photocatalysis.

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GOST Copy
Ma G. et al. Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation // Journal of Catalysis. 2008. Vol. 260. No. 1. pp. 134-140.
GOST all authors (up to 50) Copy
Ma G., Yan H., Shi J., Zong X., Lei Z., Li C. Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation // Journal of Catalysis. 2008. Vol. 260. No. 1. pp. 134-140.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jcat.2008.09.017
UR - https://doi.org/10.1016/j.jcat.2008.09.017
TI - Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation
T2 - Journal of Catalysis
AU - Ma, Guijun
AU - Yan, Hongjian
AU - Shi, Jingying
AU - Zong, Xu
AU - Lei, Zhibing
AU - Li, Can
PY - 2008
DA - 2008/11/01 00:00:00
PB - Elsevier
SP - 134-140
IS - 1
VL - 260
SN - 0021-9517
SN - 1090-2694
ER -
BibTex |
Cite this
BibTex Copy
@article{2008_Ma,
author = {Guijun Ma and Hongjian Yan and Jingying Shi and Xu Zong and Zhibing Lei and Can Li},
title = {Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation},
journal = {Journal of Catalysis},
year = {2008},
volume = {260},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.jcat.2008.09.017},
number = {1},
pages = {134--140},
doi = {10.1016/j.jcat.2008.09.017}
}
MLA
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MLA Copy
Ma, Guijun, et al. “Direct splitting of H2S into H2 and S on CdS-based photocatalyst under visible light irradiation.” Journal of Catalysis, vol. 260, no. 1, Nov. 2008, pp. 134-140. https://doi.org/10.1016/j.jcat.2008.09.017.
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