Exceptionally High‑g lum Circularly Polarized Lasers Empowered by Strong 2D-Chiroptical Response in a Host–Guest Supramolecular Microcrystal

Circularly polarized (CP) lasers hold tremendous potential for advancing spin information communication and display technologies. Organic materials are emerging candidates for high-performance CP lasers because of their abundant chiral structures and excellent gain characteristics. However, their di...

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Veröffentlicht in:Journal of the American Chemical Society 2024-08, Vol.146 (32), p.22583-22589
Hauptverfasser: Ji, Shiyang, Zeng, Min, Zhan, Xiuqin, Liu, Haidi, Zhou, Yifan, Wang, Kang, Yan, Yongli, Yao, Jiannian, Zhao, Yong Sheng
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container_end_page 22589
container_issue 32
container_start_page 22583
container_title Journal of the American Chemical Society
container_volume 146
creator Ji, Shiyang
Zeng, Min
Zhan, Xiuqin
Liu, Haidi
Zhou, Yifan
Wang, Kang
Yan, Yongli
Yao, Jiannian
Zhao, Yong Sheng
description Circularly polarized (CP) lasers hold tremendous potential for advancing spin information communication and display technologies. Organic materials are emerging candidates for high-performance CP lasers because of their abundant chiral structures and excellent gain characteristics. However, their dissymmetry factor (g lum) in CP emission is typically low due to the weak chiral light matter interactions. Here, we presented an effective approach to significantly amplifying g lum by leveraging the intrinsic 2D-chiroptical response of an anisotropic organic supramolecular crystal. The organic complex microcrystal was designed to exhibit large 2D-chiroptical activities through strong coupling interactions between their remarkable linear birefringence (LB) and high degree of fluorescence linear polarization. Such 2D-chiroptical response can be further enhanced by the stimulated emission resulted from an increased degree of linear polarization, yielding a nearly pure CP laser with an exceptionally high g lum of up to 1.78. Moreover, exploiting the extreme susceptibility of LB to temperature, we demonstrate a prototype of temperature-controlled chiroptical switches. These findings offer valuable insights for harnessing organic crystals to facilitate the development of high-performance CP lasers and other chiroptical devices.
doi_str_mv 10.1021/jacs.4c06903
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Organic materials are emerging candidates for high-performance CP lasers because of their abundant chiral structures and excellent gain characteristics. However, their dissymmetry factor (g lum) in CP emission is typically low due to the weak chiral light matter interactions. Here, we presented an effective approach to significantly amplifying g lum by leveraging the intrinsic 2D-chiroptical response of an anisotropic organic supramolecular crystal. The organic complex microcrystal was designed to exhibit large 2D-chiroptical activities through strong coupling interactions between their remarkable linear birefringence (LB) and high degree of fluorescence linear polarization. Such 2D-chiroptical response can be further enhanced by the stimulated emission resulted from an increased degree of linear polarization, yielding a nearly pure CP laser with an exceptionally high g lum of up to 1.78. 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The organic complex microcrystal was designed to exhibit large 2D-chiroptical activities through strong coupling interactions between their remarkable linear birefringence (LB) and high degree of fluorescence linear polarization. Such 2D-chiroptical response can be further enhanced by the stimulated emission resulted from an increased degree of linear polarization, yielding a nearly pure CP laser with an exceptionally high g lum of up to 1.78. Moreover, exploiting the extreme susceptibility of LB to temperature, we demonstrate a prototype of temperature-controlled chiroptical switches. 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title Exceptionally High‑g lum Circularly Polarized Lasers Empowered by Strong 2D-Chiroptical Response in a Host–Guest Supramolecular Microcrystal
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