A green miniemulsion-based synthesis of polymeric aggregation-induced emission nanoparticles

Zhihai Cao; Chang Xu; Lihua Liang; Zujin Zhao; Bin Chen; Zhijie Chen; Hangnan Chen; Gan Qu; Dongming Qi; Guorong Shan; Ulrich Ziener

doi:10.1039/C5PY01098E

A green miniemulsion-based synthesis of polymeric aggregation-induced emission nanoparticles†

Zhihai Cao,*^a Chang Xu,^a Lihua Liang,^a Zujin Zhao,*^b Bin Chen,^c Zhijie Chen,^a Hangnan Chen,^a Gan Qu,^a Dongming Qi,*^a Guorong Shan^d and Ulrich Ziener^e

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* Corresponding authors

^a Key Laboratory of Advanced Textile Materials and Manufacturing Technology and Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
E-mail: zhcao@zstu.edu.cn, dongmingqi@zstu.edu.cn

^b State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
E-mail: mszjzhao@scut.edu.cn

^c College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Xuelin Street 16, Hangzhou 310036, China

^d State Key Laboratory of Chemical Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, PR China

^e Institute of Organic Chemistry III – Macromolecular Chemistry and Organic Materials, University of Ulm, Albert-Einstein-Allee 11, Ulm, Germany

Abstract

Aggregation-induced emission (AIE) luminogens have attracted extensive attention due to their unique fluorescent properties and wide applications. Herein we report a green miniemulsion-based technique for preparing polymeric AIE nanoparticles (NPs). A vinyl-containing AIE luminogen, 1-allyl-1-methyl-2,3,4,5-tetraphenylsilole (AMTPS), was incorporated into the NPs through copolymerization with a common monomer, styrene. Spherical AIE NPs with a size of 50–60 nm could emit strong green fluorescence under irradiation with UV light. The photoluminescence (PL) intensity of the AIE NPs could be precisely tuned through the variation of the AMTPS content. The chemical composition, molecular weight, and optical properties of the copolymers were systematically investigated. The molecular weight of the copolymer could be modulated by the AMTPS content. The PL intensity of the copolymers could be significantly enhanced by aggregation formation of the copolymers, displaying a typical AIE property.

Polymer Chemistry

A green miniemulsion-based synthesis of polymeric aggregation-induced emission nanoparticles†

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A green miniemulsion-based synthesis of polymeric aggregation-induced emission nanoparticles

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