Monomer Emission Mechanism Research of Tetraphenylethene Derivative with Supramolecular Self-Assembly in Polymer Microspheres

Zhihang An; Renping Liu; Jiaping Liu; Jiaying Du; Si Chen; Xu Wang; Zhongyi Sheng; Heyang Liu

doi:10.1021/acs.langmuir.3c01455

Monomer Emission Mechanism Research of Tetraphenylethene Derivative with Supramolecular Self-Assembly in Polymer Microspheres

Langmuir. 2023 Aug 29;39(34):12153-12158. doi: 10.1021/acs.langmuir.3c01455. Epub 2023 Aug 15.

Authors

Zhihang An¹, Renping Liu¹, Jiaping Liu¹, Jiaying Du¹, Si Chen², Xu Wang², Zhongyi Sheng¹, Heyang Liu¹

Affiliations

¹ College of Biological & Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, P. R. China.
² College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China.

PMID: 37582402
DOI: 10.1021/acs.langmuir.3c01455

Abstract

The monomer emission property of the tetraphenylethene (TPE) derivative is rarely reported, and its photoluminescence (PL) mechanism related to supramolecular self-assembly needs further in-depth research. Two long alkyl chain modified derivatives, the TPE derivative (TPE-C₁₀) and pyrene derivative (Pyrene-C₁₀), are designed and synthesized, which possess similar supramolecular assembly behavior but exhibit different PL properties. TPE-C₁₀ not only forms self-assembly morphologies with monomer emission but also emits aggregation-induced emission (AIE). Moreover, the polymer microspheres containing TPE-C₁₀ and Pyrene-C₁₀ are prepared, which can dissolve or swell in different organic solvents. The changed binding effect of polymer chains achieves the luminescence transformation of TPE-C₁₀ from AIE to monomer emission. This work hopefully can enrich luminescent materials based on the monomer emission of the TPE derivative and provide a new method for mechanism studies about supramolecular self-assembly and luminescence.