Journal of Alloys and Compounds, volume 930, pages 167389
Rapid synthesis of AgInS2 quantum dots by microwave assisted-hydrothermal method and its application in white light emitting diodes
Publication type: Journal Article
Publication date: 2023-01-01
Journal:
Journal of Alloys and Compounds
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6.2
ISSN: 09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
Rapid synthesis of AgInS2 quantum dots (AIS QDs) with high quantum yield and crystallinity in aqueous phase has been identified as a research priority in the realm of colloidal semiconductors. Herein, microwave assisted-hydrothermal method was used to react for 5 min at 120 °C to prepare AIS QDs with high luminescence properties. Meanwhile, 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim]BF4) ionic liquid (IL) was employed as a wave absorber to enhance the photoluminescence quantum yield (PLQY) and shorten the reaction time. The AIS QDs exhibited spectral tunability by adjusting the IL/AgIn molar ratio from 0 to 10, and the luminescence peak position could be tuned from 597 nm to 670 nm. The PLQY of AIS QDs reached 27.67% at the IL/AgIn molar ratio of 2.5, and the fluorescence lifetime upped to 360.4 ns. In addition, the ZnS shell was coated on the surface of the QDs with Zn/AgIn= 3 by reacting at 90 °C for 2 min, and the PLQY could reach to 35.66%, which further improved the emission performance of the AIS QDs. Finally, QDs and commercial (Ba, Sr)Si2O2N2:Eu2+ phosphors were mixed to fabricate white light emitting diodes (WLEDs) devices. [email protected] QDs-based WLED showed color rendering index (CRI) of 87.7 and correlated color temperature (CCT) of 5220 K. And its luminous efficiency (LE) reached 80.13 lm/W, which is 2.16 times higher than that of AIS QDs-based WLED (37.1 lm/W), indicating the good application prospect in WLEDs.
Top-30
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- We do not take into account publications without a DOI.
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Chen Y. et al. Rapid synthesis of AgInS2 quantum dots by microwave assisted-hydrothermal method and its application in white light emitting diodes // Journal of Alloys and Compounds. 2023. Vol. 930. p. 167389.
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Chen Y., Chen T., Qin Z., Xie Z., Liang M., Li Y., Lin J. Rapid synthesis of AgInS2 quantum dots by microwave assisted-hydrothermal method and its application in white light emitting diodes // Journal of Alloys and Compounds. 2023. Vol. 930. p. 167389.
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TY - JOUR
DO - 10.1016/j.jallcom.2022.167389
UR - https://doi.org/10.1016/j.jallcom.2022.167389
TI - Rapid synthesis of AgInS2 quantum dots by microwave assisted-hydrothermal method and its application in white light emitting diodes
T2 - Journal of Alloys and Compounds
AU - Chen, Yuanhong
AU - Chen, Ting
AU - Qin, Zhe
AU - Xie, Zhixiang
AU - Liang, Mengbiao
AU - Li, Youpeng
AU - Lin, Jian
PY - 2023
DA - 2023/01/01 00:00:00
PB - Elsevier
SP - 167389
VL - 930
SN - 0925-8388
ER -
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@article{2023_Chen,
author = {Yuanhong Chen and Ting Chen and Zhe Qin and Zhixiang Xie and Mengbiao Liang and Youpeng Li and Jian Lin},
title = {Rapid synthesis of AgInS2 quantum dots by microwave assisted-hydrothermal method and its application in white light emitting diodes},
journal = {Journal of Alloys and Compounds},
year = {2023},
volume = {930},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jallcom.2022.167389},
pages = {167389},
doi = {10.1016/j.jallcom.2022.167389}
}