Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions
Guojun Zhou
1, 2, 3
,
Zhiyang Liu
4
,
Jinglong Huang
1
,
Maxim S. Molokeev
5, 6, 7
,
Zewen Xiao
4
,
ChongGeng Ma
8
,
Zhiguo Xia
1, 3
Publication type: Journal Article
Publication date: 2020-07-06
scimago Q1
wos Q1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
32631064
Physical and Theoretical Chemistry
General Materials Science
Abstract
Zero-dimensional (0D) Mn2+-based metal halides are potential candidates as narrow-band green emitters, and thus it is critical to provide a structural understanding of the photophysical process. Herein, we propose that a sufficiently long Mn-Mn distance in 0D metal halides enables all Mn2+ centers to emit spontaneously, thereby leading to near-unity photoluminescence quantum yield. Taking lead-free (C10H16N)2Zn1-xMnxBr4 (x = 0-1) solid solution as an example, the Zn/Mn alloying inhibits the concentration quenching that is caused by the energy transfer of Mn2+. (C10H16N)2MnBr4 exhibits highly thermal stable luminescence even up to 150 °C with a narrow-band green emission at 518 nm and a full width at half maximum of 46 nm. The fabricated white light-emitting diode device shows a high luminous efficacy of 120 lm/W and a wide color gamut of 104% National Television System Committee standard, suggesting its potential for liquid crystal displays backlighting. These results provide a guidance for designing new narrow-band green emitters in Mn2+-based metal halides.
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251
Total citations:
251
Citations from 2024:
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(45.2%)
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Zhou G. et al. Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions // Journal of Physical Chemistry Letters. 2020. Vol. 11. No. 15. pp. 5956-5962.
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Zhou G., Liu Z., Huang J., Molokeev M. S., Xiao Z., Ma C., Xia Z. Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions // Journal of Physical Chemistry Letters. 2020. Vol. 11. No. 15. pp. 5956-5962.
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RIS
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TY - JOUR
DO - 10.1021/acs.jpclett.0c01933
UR - https://doi.org/10.1021/acs.jpclett.0c01933
TI - Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions
T2 - Journal of Physical Chemistry Letters
AU - Zhou, Guojun
AU - Liu, Zhiyang
AU - Huang, Jinglong
AU - Molokeev, Maxim S.
AU - Xiao, Zewen
AU - Ma, ChongGeng
AU - Xia, Zhiguo
PY - 2020
DA - 2020/07/06
PB - American Chemical Society (ACS)
SP - 5956-5962
IS - 15
VL - 11
PMID - 32631064
SN - 1948-7185
ER -
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@article{2020_Zhou,
author = {Guojun Zhou and Zhiyang Liu and Jinglong Huang and Maxim S. Molokeev and Zewen Xiao and ChongGeng Ma and Zhiguo Xia},
title = {Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions},
journal = {Journal of Physical Chemistry Letters},
year = {2020},
volume = {11},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/acs.jpclett.0c01933},
number = {15},
pages = {5956--5962},
doi = {10.1021/acs.jpclett.0c01933}
}
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MLA
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Zhou, Guojun, et al. “Unraveling the Near-Unity Narrow-Band Green Emission in Zero-Dimensional Mn2+-Based Metal Halides: A Case Study of (C10H16N)2Zn1–xMnxBr4 Solid Solutions.” Journal of Physical Chemistry Letters, vol. 11, no. 15, Jul. 2020, pp. 5956-5962. https://doi.org/10.1021/acs.jpclett.0c01933.
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