Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces
Jin-Chao Dong
1
,
Min Su
1
,
Lang Li
1
,
Jiabo Le
1
,
Petar Martin Radjenovic
1
,
Xiao-Shun Zhou
3
,
Juan M. Feliu
2
,
Zhongqun Tian
1
,
Publication type: Journal Article
Publication date: 2019-12-30
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
31887023
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
The study of the oxygen reduction reaction (ORR) at high-index Pt(hkl) single crystal surfaces has received considerable interest due to their well-ordered, typical atomic structures and superior catalytic activities. However, it is difficult to obtain direct spectral evidence of ORR intermediates during reaction processes, especially at high-index Pt(hkl) surfaces. Herein, in situ Raman spectroscopy has been employed to investigate ORR processes at high-index Pt(hkl) surfaces containing the [011 ̅] crystal zone - i.e. Pt(211) and Pt(311). Through control and isotope substitution experiments, we successfully obtained in situ spectral evidences of OH and OOH at Pt(211) and Pt(311) surfaces. After detailed analysis based on the Raman spectra, it was deduced that the difference in adsorption of OOH at high-index surfaces has a significant effect on the ORR activity. This research illuminates and deepens the understanding of the ORR mechanism on high-index Pt(hkl) surfaces and provides theoretical guidance for the rational design of high activity ORR catalysts.
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233
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GOST
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Dong J. et al. Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces // Journal of the American Chemical Society. 2019. Vol. 142. No. 2. pp. 715-719.
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Dong J., Su M., Briega Martos V., Li L., Le J., Radjenovic P. M., Zhou X., Feliu J. M., Tian Z., Li J. Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces // Journal of the American Chemical Society. 2019. Vol. 142. No. 2. pp. 715-719.
Cite this
RIS
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TY - JOUR
DO - 10.1021/jacs.9b12803
UR - https://doi.org/10.1021/jacs.9b12803
TI - Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces
T2 - Journal of the American Chemical Society
AU - Dong, Jin-Chao
AU - Su, Min
AU - Briega Martos, Valentin
AU - Li, Lang
AU - Le, Jiabo
AU - Radjenovic, Petar Martin
AU - Zhou, Xiao-Shun
AU - Feliu, Juan M.
AU - Tian, Zhongqun
AU - Li, Jian‐Feng
PY - 2019
DA - 2019/12/30
PB - American Chemical Society (ACS)
SP - 715-719
IS - 2
VL - 142
PMID - 31887023
SN - 0002-7863
SN - 1520-5126
ER -
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BibTex (up to 50 authors)
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@article{2019_Dong,
author = {Jin-Chao Dong and Min Su and Valentin Briega Martos and Lang Li and Jiabo Le and Petar Martin Radjenovic and Xiao-Shun Zhou and Juan M. Feliu and Zhongqun Tian and Jian‐Feng Li},
title = {Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces},
journal = {Journal of the American Chemical Society},
year = {2019},
volume = {142},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/jacs.9b12803},
number = {2},
pages = {715--719},
doi = {10.1021/jacs.9b12803}
}
Cite this
MLA
Copy
Dong, Jin-Chao, et al. “Direct In Situ Raman Spectroscopic Evidence of Oxygen Reduction Reaction Intermediates at High-Index Pt(hkl) Surfaces.” Journal of the American Chemical Society, vol. 142, no. 2, Dec. 2019, pp. 715-719. https://doi.org/10.1021/jacs.9b12803.
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