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Liquid Crystals Volume 50, 2023 - Issue 11-12
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Research Article

Zero-field bandwidth stable, reflection bandwidth controllable polymer- stabilised cholesteric liquid crystals enabled by dynamic covalent boronic ester bonds

Hongbo Lua National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;b Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei, ChinaCorrespondence[email protected]
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Tanyang Wua National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;c Anhui Province Key Laboratory of Advanced Functional Materials and Devices, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, ChinaView further author information
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Han Wanga National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;c Anhui Province Key Laboratory of Advanced Functional Materials and Devices, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, ChinaView further author information
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Jun Zhua National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;b Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei, ChinaView further author information
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Longzhen Qiua National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;b Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei, ChinaView further author information
&
Miao Xua National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, China;b Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei, ChinaORCID Iconhttps://orcid.org/0000-0003-3610-0735View further author information
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Pages 1774-1785 | Received 13 Apr 2023, Accepted 26 Apr 2023, Published online: 09 May 2023
 
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ABSTRACT

Here, an electrically controllable reflection bandwidth and zero-field bandwidth stable PSCLC is judiciously designed and prepared through integrating dynamic covalent boronic ester bonds into the main-chain polymer network. The modulating effect of dynamic covalent bonding on polymer networks can transform the polymer networks from an elastically deformed network to a plastically deformed network by changing the parameters, such as specific wavelengths of light or temperature. Based on the plastic deformation of the network, the zero-field broadband reflection stable and multiple adjustable reflection bandgaps are realised. This work provides new insights into smart and energy-efficient windows.

GRAPHICAL ABSTRACT

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by National Key Research and Development Program of China [2019YFE0101300], Natural Science Foundation of Anhui Province [1708085MF150] and the Fundamental Research Funds for the Central Universities of China [JZ2022HGTB0294].

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