Spectroscopic Signature of Oxidized Oxygen States in Peroxides.
Zengqing Zhuo
1, 2
,
John W. Vinson
4
,
Chunjing Jia
3
,
Brian Moritz
3
,
Ilkyu Lee
3
,
Shawn Sallies
2
,
Qinghao Li
2
,
Jinpeng Wu
2
,
Kehua Dai
2
,
Y. C. Chuang
2
,
Zahid Hussain
2
,
Feng Pan
1
,
Thomas P. Devereaux
3
,
Publication type: Journal Article
Publication date: 2018-10-16
scimago Q1
wos Q1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
30354171
Physical and Theoretical Chemistry
General Materials Science
Abstract
Recent debates on the oxygen redox behaviors in battery electrodes have triggered a pressing demand for the reliable detection and understanding of nondivalent oxygen states beyond conventional absorption spectroscopy. Here, enabled by high-efficiency mapping of resonant inelastic X-ray scattering (mRIXS) coupled with first-principles calculations, we report distinct mRIXS features of the oxygen states in Li2O, Li2CO3, and especially, Li2O2, which are successfully reproduced and interpreted theoretically. mRIXS signals are dominated by valence-band decays in Li2O and Li2CO3. However, the oxidized oxygen in Li2O2 leads to partially unoccupied O-2p states that yield a specific intraband excitonic feature in mRIXS. Such a feature displays a specific emission energy in mRIXS, which disentangles the oxidized oxygen states from the dominating transition-metal/oxygen hybridization features in absorption spectroscopy, thus providing critical hints for both detecting and understanding the oxygen redox reactions in transition-metal oxide based battery materials.
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101
Total citations:
101
Citations from 2024:
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(21%)
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GOST
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Zhuo Z. et al. Spectroscopic Signature of Oxidized Oxygen States in Peroxides. // Journal of Physical Chemistry Letters. 2018. Vol. 9. No. 21. pp. 6378-6384.
GOST all authors (up to 50)
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Zhuo Z., Pemmaraju C. D., Vinson J. W., Jia C., Moritz B., Lee I., Sallies S., Li Q., Wu J., Dai K., Chuang Y. C., Hussain Z., Pan F., Devereaux T. P., Yang W. Spectroscopic Signature of Oxidized Oxygen States in Peroxides. // Journal of Physical Chemistry Letters. 2018. Vol. 9. No. 21. pp. 6378-6384.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.jpclett.8b02757
UR - https://doi.org/10.1021/acs.jpclett.8b02757
TI - Spectroscopic Signature of Oxidized Oxygen States in Peroxides.
T2 - Journal of Physical Chemistry Letters
AU - Zhuo, Zengqing
AU - Pemmaraju, Chaitanya D.
AU - Vinson, John W.
AU - Jia, Chunjing
AU - Moritz, Brian
AU - Lee, Ilkyu
AU - Sallies, Shawn
AU - Li, Qinghao
AU - Wu, Jinpeng
AU - Dai, Kehua
AU - Chuang, Y. C.
AU - Hussain, Zahid
AU - Pan, Feng
AU - Devereaux, Thomas P.
AU - Yang, W.Q.
PY - 2018
DA - 2018/10/16
PB - American Chemical Society (ACS)
SP - 6378-6384
IS - 21
VL - 9
PMID - 30354171
SN - 1948-7185
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2018_Zhuo,
author = {Zengqing Zhuo and Chaitanya D. Pemmaraju and John W. Vinson and Chunjing Jia and Brian Moritz and Ilkyu Lee and Shawn Sallies and Qinghao Li and Jinpeng Wu and Kehua Dai and Y. C. Chuang and Zahid Hussain and Feng Pan and Thomas P. Devereaux and W.Q. Yang},
title = {Spectroscopic Signature of Oxidized Oxygen States in Peroxides.},
journal = {Journal of Physical Chemistry Letters},
year = {2018},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/acs.jpclett.8b02757},
number = {21},
pages = {6378--6384},
doi = {10.1021/acs.jpclett.8b02757}
}
Cite this
MLA
Copy
Zhuo, Zengqing, et al. “Spectroscopic Signature of Oxidized Oxygen States in Peroxides..” Journal of Physical Chemistry Letters, vol. 9, no. 21, Oct. 2018, pp. 6378-6384. https://doi.org/10.1021/acs.jpclett.8b02757.