Thermoresponsive Fluorescent Semicrystalline Polymers Decorated with Aggregation Induced Emission Luminogens
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Thermoresponsive fluorescent polymers (TFPs) with unique temperature-dependent luminescent properties are of great importance for the development of new functional devices in recent years. Herein, we facilely synthesized an efficient blue-emissive polymer, abbreviated as PCB-TPE, using tetraphenylethene (TPE) as the main building block. PCB-TPE is thermally stable with a novel property of aggregation induced emission (AIE). The thermoresponsive property and mechanism of PCB-TPE were investigated. Its emission shows temperature-dependent features and reveals fine details in the thermal transitions from −10 °C to 60 °C. The polymer offers a platform for the development of efficient luminescent materials for further biological and optoelectronic applications.
KeywordsAggregation induced emission Thermoresponsive Fluorescence Crystallization Polymer
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This work was financially supported by the National Natural Science Foundation of China (No. 21374136), the Fundamental Research Funds for the Central Universities (Nos. 17lgjc03 and 18lgpy04), and the Opening Project of the Key Laboratory of Polymer Processing Engineering (South China University of Technology, Ministry of Education, No. KFKT1703).