Catalysis Letters, volume 151, issue 1, pages 56-66
Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst
2
Tianjin Key Laboratory of Building Green Functional Materials, Tianjin, China
|
Publication type: Journal Article
Publication date: 2020-06-01
Journal:
Catalysis Letters
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor: 2.8
ISSN: 1011372X, 1572879X
General Chemistry
Catalysis
Abstract
CdS has unstability due to its severe photocorrosion, which restricts its further application in photoelectrocatalysis. In this paper, after probing detailedly the photocorrosion mechanism that is the oxidation caused by photogenerated holes of CdS, NiOOH cocatalyst is employed to heighten its stability. The stability of CdS/NiOOH is improved 44.50% higher than that of pure CdS after photoelectrochemical (PEC) stability test for 3600 s, because the NiOOH prevents the oxidation of the CdS via capturing the photogenerated holes. Meanwhile, the deposition of NiOOH is beneficial to accelerate the separation of photogenerated carriers, thereby enhancing the PEC activity. The results show that the CdS/NiOOH photoanode achieved a photocurrent density of 3.70 mA cm−2 at 1.23 V vs. RHE, which is approximately 2.03 folds than that of pure CdS. This work provides a simple and feasible method for boosting PEC activity and stability of CdS-based photoelectrode for efficient PEC water splitting.
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Ling W. et al. Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst // Catalysis Letters. 2020. Vol. 151. No. 1. pp. 56-66.
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Ling W., Guo Z., JIA X. Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst // Catalysis Letters. 2020. Vol. 151. No. 1. pp. 56-66.
Cite this
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TY - JOUR
DO - 10.1007/s10562-020-03275-z
UR - https://doi.org/10.1007/s10562-020-03275-z
TI - Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst
T2 - Catalysis Letters
AU - Ling, Wei
AU - Guo, Zhengang
AU - JIA, XIAOLI
PY - 2020
DA - 2020/06/01
PB - Springer Nature
SP - 56-66
IS - 1
VL - 151
SN - 1011-372X
SN - 1572-879X
ER -
Cite this
BibTex
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@article{2020_Ling,
author = {Wei Ling and Zhengang Guo and XIAOLI JIA},
title = {Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst},
journal = {Catalysis Letters},
year = {2020},
volume = {151},
publisher = {Springer Nature},
month = {jun},
url = {https://doi.org/10.1007/s10562-020-03275-z},
number = {1},
pages = {56--66},
doi = {10.1007/s10562-020-03275-z}
}
Cite this
MLA
Copy
Ling, Wei, et al. “Probing Photocorrosion Mechanism of CdS Films and Enhancing Photoelectrocatalytic Activity via Cocatalyst.” Catalysis Letters, vol. 151, no. 1, Jun. 2020, pp. 56-66. https://doi.org/10.1007/s10562-020-03275-z.