Rational design of AIE-active biodegradable polycarbonates for high-performance WLED and selective detection of nitroaromatic explosives

Luminescent polymers have garnered considerable research attention for their excellent properties and wide range of applications in multi-responsive materials, bioimaging, and photoelectric devices. Thereout, various modulations of polymer structure are often the main approach to obtaining materials...

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Bibliographic Details
Published in:Chinese chemical letters 2023-08, Vol.34 (8), p.108008-433, Article 108008
Main Authors: Huang, Shanshan, Wang, Enhao, Tong, Jialin, Shan, Guo-Gang, Liu, Shunjie, Feng, Haitao, Qin, Chao, Wang, Xianhong, Su, Zhongmin
Format: Article
Language:English
Subjects:
Aggregation induced-emission
Biodegradable polymer
CO2 copolymerization
Sensor
White light-emitting diode
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Summary:Luminescent polymers have garnered considerable research attention for their excellent properties and wide range of applications in multi-responsive materials, bioimaging, and photoelectric devices. Thereout, various modulations of polymer structure are often the main approach to obtaining materials with different luminescent colors and functions. However, polymers with biodegradability, tunable color, and efficient emission simultaneously remain a challenge. Herein, we report a feasible strategy to achieve degradable and highly emissive polymers by exquisite combination and interplay of aggregation-induced emission (AIE) unit and environmental-friendly epoxide/CO2 copolymerization. A series of polycarbonates P-TEPxCNy (x = 0, 1, 2, 4, 30, 120; y = 0, 1) were prepared, with emission color changed from blue to yellow by controlling the proportion of two designed AIE-active monomers. Among them, Using P-TCN as emitting layer, high performance white light-emitting diode (WLED) device with an external quantum efficiency (EQE) of 26.09% and CIE coordinates of (0.32, 0.32) was achieved. In addition, the designed polymers can be used as selective sensors for nitroaromatic compounds in their nanoaggregate states. A series of biodegradable polycarbonates with AIE properties were synthesized by environmental-friendly epoxide/CO2 copolymerization and employed as emitting species for efficient white light-emitting diodes and sensors for explosive detection. [Display omitted]
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2022.108008