The Journal of Physical Chemistry, volume 88, issue 15, pages 3261-3268

Photochemical hydrogen production with cadmium sulfide suspensions

Niklaus Buehler
Kurt Meier
Jean Francois Reber
Publication typeJournal Article
Publication date1984-07-01
Quartile SCImago
Quartile WOS
Impact factor
ISSN00223654, 15415740
Physical and Theoretical Chemistry
General Engineering
Abstract
Active photocatalysts for photochemical hydrogen production have been prepared by platinum deposition on microcrystals of CdS powders. Hydrogen produced by irradiating suspensions of platinized CdS in various electrolyte solutions (S/sup 2 -/, SO/sub 3//sup 2 -/, H/sub 2/PO/sup 2 -/) has been shown to be significantly improved by photoetching the CdS microcrystals. The efficiency of hydrogen formation in solutions containing S/sup 2 -/ is low due to the formation of disulfide ions. Additional of reducing agents such as sulfite or hypophosphite ions, which efficiently suppresses disulfide formation, allows hydrogen to evolve at a surprisingly high rate. In the case of a solution containing both S/sup 2/ and SO/sub 3//sup 2 -/ ions, the formation of thiosulfate is observed with a quantum yield of 0.25. In mixtures of sulfide and hypophosphite ions, phosphite and phosphate ions are the oxidation products. Hydrogen formation occurs in solutions containing SO/sub 3//sup 2 -/ ions only when the platinized CdS particles have previously been photoetched. Concomitant to the proton reduction, SO/sub 3//sup 2 -/ ions are oxidized to sulfate and dithionate. In 12 days, 9 L of H/sub 2/ was generated by irradiating 1 g of CdS/Pt suspended in an Na/sub 2/SO/sub 3/ solution. Aftermore » this period, the efficiency of the photocatalyst dropped to about 60% of the initial rate. The reaction parameters and the formation of the oxidation products have been investigated in detail. 57 references, 10 figures, 4 tables.« less

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GOST |
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GOST Copy
Buehler N., Meier K., Reber J. F. Photochemical hydrogen production with cadmium sulfide suspensions // The Journal of Physical Chemistry. 1984. Vol. 88. No. 15. pp. 3261-3268.
GOST all authors (up to 50) Copy
Buehler N., Meier K., Reber J. F. Photochemical hydrogen production with cadmium sulfide suspensions // The Journal of Physical Chemistry. 1984. Vol. 88. No. 15. pp. 3261-3268.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/j150659a025
UR - https://doi.org/10.1021/j150659a025
TI - Photochemical hydrogen production with cadmium sulfide suspensions
T2 - The Journal of Physical Chemistry
AU - Buehler, Niklaus
AU - Meier, Kurt
AU - Reber, Jean Francois
PY - 1984
DA - 1984/07/01 00:00:00
PB - American Chemical Society (ACS)
SP - 3261-3268
IS - 15
VL - 88
SN - 0022-3654
SN - 1541-5740
ER -
BibTex |
Cite this
BibTex Copy
@article{1984_Buehler,
author = {Niklaus Buehler and Kurt Meier and Jean Francois Reber},
title = {Photochemical hydrogen production with cadmium sulfide suspensions},
journal = {The Journal of Physical Chemistry},
year = {1984},
volume = {88},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/j150659a025},
number = {15},
pages = {3261--3268},
doi = {10.1021/j150659a025}
}
MLA
Cite this
MLA Copy
Buehler, Niklaus, et al. “Photochemical hydrogen production with cadmium sulfide suspensions.” The Journal of Physical Chemistry, vol. 88, no. 15, Jul. 1984, pp. 3261-3268. https://doi.org/10.1021/j150659a025.
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