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Issue 15, 2019
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Liquid crystalline block copolymers as adaptive agents for compatibility between CdSe/ZnS quantum dots and low-molecular-weight liquid crystals

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Abstract

Fluorescent hybrid systems based on quantum dots (QDs) and liquid crystals (LCs) are promising materials for a high number of applications in photonics and display technology. However, it is a big challenge to achieve compatibility between inorganic QDs and organic LCs. In this work, we employ an ABA triblock copolymer with a side-chain LC central block and outer poly(4-vinylpyridine) blocks capable of complexing QDs. This approach allows the preparation of polymer–inorganic nanocomposites forming a nematic LC phase and containing a large amount of non-aggregated QDs (10 wt%). In addition, the resulting composites can be dissolved in a cholesteric LC mixture to obtain an LC system with uniformly distributed QDs where the triblock copolymer acts as a highly efficient compatibilizer. This new approach paves the way for constructing a broad range of hybrid functional materials for various applications.

Graphical abstract: Liquid crystalline block copolymers as adaptive agents for compatibility between CdSe/ZnS quantum dots and low-molecular-weight liquid crystals

  • This article is part of the themed collection: Photonics
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Publication details

The article was received on 31 Jan 2019, accepted on 18 Mar 2019 and first published on 18 Mar 2019


Article type: Communication
DOI: 10.1039/C9TC00610A
J. Mater. Chem. C, 2019,7, 4326-4331

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    Liquid crystalline block copolymers as adaptive agents for compatibility between CdSe/ZnS quantum dots and low-molecular-weight liquid crystals

    M. Bugakov, N. Boiko, P. Samokhvalov, X. Zhu, M. Möller and V. Shibaev, J. Mater. Chem. C, 2019, 7, 4326
    DOI: 10.1039/C9TC00610A

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