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Towards White-Light Emission of Fluorescent Polymeric Nanoparticles with a Single Luminogen Possessing AIE and TICT Properties

Abstract

A novel technique of modulating the emission behavior of aggregation-induced emission (AIE) polymeric nanoparticles (AIE-PNPs) based on the polymer matrix was provided. White-light-emitting (WLE) AIE-PNPs were facilely synthesized through miniemulsion copolymerization of methyl methacrylate (MMA) and comonomers with various polarities by using a single luminogen with AIE and twisted intramolecular charge transfer (TICT) properties, (2-(3-cyano-5,5-dimethyl-4-(4-(1,2,2-triphenylvinyl)styryl)furan-2(5H)-ylidene)malononitrile (TPE-TCF)). The increased or reduced polarity of polymer matrix could lead to red-shifted or blue-shifted emission of polymer/TPE-TCF AIE-PNPs, respectively. The polarity-dependent emission behavior of polymer/TPE-TCF AIE-PNPs was generally validated in the AIE-PNPs with various polymer matrices. The WLE polymer/TPE-TCF AIE-PNPs could be generally synthesized via miniemulsion copolymerization of MMA with isobornyl methacrylate, stearyl methacrylate, lauryl methacrylate, n-hexyl methacrylate, and cyclohexyl methacrylate at a proper monomer composition. By simply coating a layer of the prepared WLE AIE-PNPs onto UV LED chips, the UV light could be successfully converted to white light, clearly demonstrating the great application potentials in electronic and photonic devices.

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Publication details

The article was received on 17 Oct 2019, accepted on 25 Nov 2019 and first published on 26 Nov 2019


Article type: Paper
DOI: 10.1039/C9TC05690D
J. Mater. Chem. C, 2019, Accepted Manuscript

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    Towards White-Light Emission of Fluorescent Polymeric Nanoparticles with a Single Luminogen Possessing AIE and TICT Properties

    Y. Hu, X. Liang, D. Wu, B. Yu, Y. Wang, Y. Mi, Z. Cao and Z. Zhao, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC05690D

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