A switchable multimode microlaser based on an AIE microsphere

Fengyan Song; Chunhuan Zhang; Haiyun Dong; Yuqin Fan; Ming Yu Wu; Guogang Shan; Puxiang Lai; Hui Gao; Yong Sheng Zhao; Sijie Chen

doi:10.1039/d1tc00604e

A switchable multimode microlaser based on an AIE microsphere

Fengyan Song, Chunhuan Zhang, Haiyun Dong, Yuqin Fan, Ming Yu Wu, Guogang Shan, Puxiang Lai, Hui Gao, Yong Sheng Zhao, Sijie Chen

Research output: Journal article publication › Journal article › Academic research › peer-review

7 Citations (Scopus)

Abstract

Switchable multimode microlasers are of great significance to the development of photonic devices with high integration levels. Herein, we demonstrate an acid/alkaline gas-responsive multimode AIEgen@starch microsphere-based microlaser. The aggregation-induced emission (AIE) active fluorescent dye ASCPI was used as the gain medium in this study. ASCPI was weakly emissive in water but became highly emissive when introduced to a starch microsphere as a guest molecule. The resultant ASCPI@starch microsphere worked well as a typical whispering-gallery-mode microlaser. The laser mode wavelengths were size-dependent. Due to the sensitivity of ASCPI to pH, the output of the microlaser could be switched to a shorter wavelength by acetic acid vapor treatment or a longer wavelength by NH₃vapor treatment. This work will provide useful enlightenment for the rational design of effective switchable lasers using AIE materials with simple preparation procedures.

Original language	English
Pages (from-to)	11180-11188
Number of pages	9
Journal	Journal of Materials Chemistry C
Volume	9
Issue number	34
DOIs	https://doi.org/10.1039/d1tc00604e
Publication status	Published - 14 Sept 2021

ASJC Scopus subject areas

General Chemistry
Materials Chemistry

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10.1039/d1tc00604e

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title = "A switchable multimode microlaser based on an AIE microsphere",

abstract = "Switchable multimode microlasers are of great significance to the development of photonic devices with high integration levels. Herein, we demonstrate an acid/alkaline gas-responsive multimode AIEgen@starch microsphere-based microlaser. The aggregation-induced emission (AIE) active fluorescent dye ASCPI was used as the gain medium in this study. ASCPI was weakly emissive in water but became highly emissive when introduced to a starch microsphere as a guest molecule. The resultant ASCPI@starch microsphere worked well as a typical whispering-gallery-mode microlaser. The laser mode wavelengths were size-dependent. Due to the sensitivity of ASCPI to pH, the output of the microlaser could be switched to a shorter wavelength by acetic acid vapor treatment or a longer wavelength by NH3vapor treatment. This work will provide useful enlightenment for the rational design of effective switchable lasers using AIE materials with simple preparation procedures.",

author = "Fengyan Song and Chunhuan Zhang and Haiyun Dong and Yuqin Fan and Wu, {Ming Yu} and Guogang Shan and Puxiang Lai and Hui Gao and Zhao, {Yong Sheng} and Sijie Chen",

note = "Funding Information: We would like to thank Dr. Chuen Kam and Dr Engui Zhao for critical reading of the manuscript. C. Zhang acknowledges the financial support from the National Natural Science Foundation of China (Grant No. 51903238). H. Gao gratefully acknowledges the financial support from the Fundamental Research Funds of Beihang University (Grant No. KG16007908). S. Chen and P. Lai acknowledge the support from the Innovation and Technology Commission (ITS/022/18, ITC, HK). S. Chen acknowledges the start-up funding from the Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet. Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2021.",

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AU - Song, Fengyan

AU - Zhang, Chunhuan

AU - Dong, Haiyun

AU - Fan, Yuqin

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AU - Shan, Guogang

AU - Lai, Puxiang

AU - Gao, Hui

AU - Zhao, Yong Sheng

AU - Chen, Sijie

N1 - Funding Information: We would like to thank Dr. Chuen Kam and Dr Engui Zhao for critical reading of the manuscript. C. Zhang acknowledges the financial support from the National Natural Science Foundation of China (Grant No. 51903238). H. Gao gratefully acknowledges the financial support from the Fundamental Research Funds of Beihang University (Grant No. KG16007908). S. Chen and P. Lai acknowledge the support from the Innovation and Technology Commission (ITS/022/18, ITC, HK). S. Chen acknowledges the start-up funding from the Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet. Publisher Copyright: © The Royal Society of Chemistry 2021.

PY - 2021/9/14

Y1 - 2021/9/14

N2 - Switchable multimode microlasers are of great significance to the development of photonic devices with high integration levels. Herein, we demonstrate an acid/alkaline gas-responsive multimode AIEgen@starch microsphere-based microlaser. The aggregation-induced emission (AIE) active fluorescent dye ASCPI was used as the gain medium in this study. ASCPI was weakly emissive in water but became highly emissive when introduced to a starch microsphere as a guest molecule. The resultant ASCPI@starch microsphere worked well as a typical whispering-gallery-mode microlaser. The laser mode wavelengths were size-dependent. Due to the sensitivity of ASCPI to pH, the output of the microlaser could be switched to a shorter wavelength by acetic acid vapor treatment or a longer wavelength by NH3vapor treatment. This work will provide useful enlightenment for the rational design of effective switchable lasers using AIE materials with simple preparation procedures.

AB - Switchable multimode microlasers are of great significance to the development of photonic devices with high integration levels. Herein, we demonstrate an acid/alkaline gas-responsive multimode AIEgen@starch microsphere-based microlaser. The aggregation-induced emission (AIE) active fluorescent dye ASCPI was used as the gain medium in this study. ASCPI was weakly emissive in water but became highly emissive when introduced to a starch microsphere as a guest molecule. The resultant ASCPI@starch microsphere worked well as a typical whispering-gallery-mode microlaser. The laser mode wavelengths were size-dependent. Due to the sensitivity of ASCPI to pH, the output of the microlaser could be switched to a shorter wavelength by acetic acid vapor treatment or a longer wavelength by NH3vapor treatment. This work will provide useful enlightenment for the rational design of effective switchable lasers using AIE materials with simple preparation procedures.

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A switchable multimode microlaser based on an AIE microsphere

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