Small, volume 16, issue 51, pages 2005435
Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots
Xue Han
1
,
Guofeng Zhang
1
,
Bin Li
1, 2
,
Changgang Yang
1
,
Wenli Guo
1
,
Xiuqing Bai
1
,
Peng Huang
3
,
RUIYUN CHEN
1
,
Chengbing Qin
1
,
Jianyong Hu
1
,
Yifei Ma
1
,
Haizheng Zhong
3
,
肖连团 Liantuan Xiao
1
,
贾锁堂 Suotang Jia
1
Publication type: Journal Article
Publication date: 2020-11-25
General Chemistry
Biotechnology
General Materials Science
Biomaterials
Abstract
Lead halide perovskite quantum dots (QDs) are promising materials for next-generation photoelectric devices because of their low preparation costs and excellent optoelectronic properties. In this study, the blinking mechanisms and the intrinsic quantum-confined Stark effect (IQCSE) in single organic-inorganic hybrid CH3 NH3 PbBr3 perovskite QDs using single-dot photoluminescence (PL) spectroscopy is investigated. The PL quantum yield-recombination rates distribution map allows the identification of different PL blinking mechanisms and their respective contributions to the PL emission behavior. A strong correlation between the excitation power and the blinking mechanisms is reported. Most single QDs exhibit band-edge carrier blinking under a low excitation photon fluence. While under a high excitation photon fluence, different proportions of Auger-blinking emerge in their PL intensity trajectories. In particular, significant IQCSEs in the QDs that exhibit more pronounced Auger-blinking are observed. Based on these findings, an Auger-induced IQCSE model to explain the observed IQCSE phenomena is observed.
Top-30
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1 publication, 4.35%
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1 publication, 4.35%
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1 publication, 4.35%
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1 publication, 4.35%
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1 publication, 4.35%
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Citations by publishers
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8
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American Chemical Society (ACS)
8 publications, 34.78%
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4 publications, 17.39%
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2 publications, 8.7%
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2 publications, 8.7%
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1 publication, 4.35%
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IEEE
1 publication, 4.35%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 4.35%
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American Institute of Physics (AIP)
1 publication, 4.35%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 4.35%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Han X. et al. Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots // Small. 2020. Vol. 16. No. 51. p. 2005435.
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Han X., Zhang G., Li B., Yang C., Guo W., Bai X., Huang P., CHEN R., Qin C., Hu J., Ma Y., Zhong H., Liantuan Xiao 肖., Suotang Jia 贾. Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots // Small. 2020. Vol. 16. No. 51. p. 2005435.
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TY - JOUR
DO - 10.1002/smll.202005435
UR - https://doi.org/10.1002/smll.202005435
TI - Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots
T2 - Small
AU - Bai, Xiuqing
AU - Hu, Jianyong
AU - Ma, Yifei
AU - Zhang, Guofeng
AU - Han, Xue
AU - Li, Bin
AU - Yang, Changgang
AU - Guo, Wenli
AU - Huang, Peng
AU - CHEN, RUIYUN
AU - Qin, Chengbing
AU - Zhong, Haizheng
AU - Liantuan Xiao, 肖连团
AU - Suotang Jia, 贾锁堂
PY - 2020
DA - 2020/11/25 00:00:00
PB - Wiley
SP - 2005435
IS - 51
VL - 16
SN - 1613-6810
SN - 1613-6829
ER -
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@article{2020_Han,
author = {Xiuqing Bai and Jianyong Hu and Yifei Ma and Guofeng Zhang and Xue Han and Bin Li and Changgang Yang and Wenli Guo and Peng Huang and RUIYUN CHEN and Chengbing Qin and Haizheng Zhong and 肖连团 Liantuan Xiao and 贾锁堂 Suotang Jia},
title = {Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots},
journal = {Small},
year = {2020},
volume = {16},
publisher = {Wiley},
month = {nov},
url = {https://doi.org/10.1002/smll.202005435},
number = {51},
pages = {2005435},
doi = {10.1002/smll.202005435}
}
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MLA
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Han, Xue, et al. “Blinking Mechanisms and Intrinsic Quantum‐Confined Stark Effect in Single Methylammonium Lead Bromide Perovskite Quantum Dots.” Small, vol. 16, no. 51, Nov. 2020, p. 2005435. https://doi.org/10.1002/smll.202005435.