journal article·2022-09-09

High-Efficiency Circularly Polarized Luminescence from Twisted Tetraarylethylene-Bridged Polybissilsesquioxane Nanotubes

Fengmin Han, Fengyun Shi, Hongkun Li, Yonggang Yang, Yongfang Li

ACS Applied Polymer Materials· Volume 4· Issue 9
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Abstract

Circularly polarized luminescence (CPL)-active materials have attracted increasing attention due to their applications in chiral sensing and optoelectronics. However, it is still a challenging task to fabricate CPL materials with large luminescence dissymmetry factors and strong emission intensities in the solid state. In this work, two single-handed twisted tetraarylethylene (TAE)-bridged polybissilsesquioxane nanotubes have been facilely constructed through a supramolecular templating polymerization of TAE-bridged bis(triethoxysilane) with aggregation-induced emission properties, using self-assemblies of a pair of chiral amino acid-based cationic amphiphiles as the supramolecular templates. It is found that the chirality has been transferred from the self-assemblies to the polybissilsesquioxane nanotubes. The resulting hybrid silicas show high thermal stabilities and bright CPL with the fluorescence quantum yield up to 62.8%.
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Research context

OpenAlex topics: Luminescence and Fluorescent Materials · Synthesis and Properties of Aromatic Compounds · Polydiacetylene-based materials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China

State Key Laboratory of Luminescent Materials and Devices, Key Laboratory of Luminescence from Molecular Aggregates of Guangdong Province, Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou 510640, China

Funding

State Key Laboratory of Luminescent Materials and Devices · National Natural Science Foundation of China · South China University of Technology · Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology · Project of Scientific and Technologic Infrastructure of Suzhou

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