Supramolecular G4 Eutectogels of Guanosine with Solvent‐Induced Chiral Inversion and Excellent Electrochromic Activity

Supramolecular eutectogels, an emerging class of materials that have just developed very recently, offer a new opportunity for generating functional supramolecular gel materials in biocompatible anhydrous or low‐water media. As the first example of supramolecular G4 eutectogels, complexes of natural...

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Published inAngewandte Chemie International Edition Vol. 59; no. 42; pp. 18768 - 18773
Main Authors Gu, Chaonan, Peng, Yu, Li, Jingjing, Wang, Hai, Xie, Xiao‐Qiao, Cao, Xiaoyu, Liu, Chun‐Sen
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 12.10.2020
EditionInternational ed. in English
Subjects
Biocompatibility
chiral inversion
Choline
electrochromic devices
Electrochromism
Environmental impact
Flexible components
G-quadruplexes
Gelation
Gels
guanosine
Inversion
Ion currents
Solvents
Supramolecular compounds
supramolecular eutectogels
Thermal stability
electrochromic devices
chiral inversion
supramolecular eutectogels
G-quadruplexes
guanosine
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Summary:Supramolecular eutectogels, an emerging class of materials that have just developed very recently, offer a new opportunity for generating functional supramolecular gel materials in biocompatible anhydrous or low‐water media. As the first example of supramolecular G4 eutectogels, complexes of natural guanosine and H3BO3 exhibited excellent gelation capacity in choline chloride/alcohol deep eutectic solvents. The as‐prepared supramolecular eutectogels displayed unexpected solvent‐induced chiral inversion and significantly high ionic conductivity (up to 7.78 mS cm−1), as well as outstanding thixotropic/injectable properties, high thermal stability and excellent electrochromic activity. These features make these versatile supramolecular G4 eutectogels promising candidates for developing next‐generation flexible electronics with low environmental impact. Supramolecular eutectogels are an emerging class of materials that offer a new opportunity for generating functional gel materials in biocompatible anhydrous or low‐water media. Two guanosine‐based supramolecular G4 eutectogels with high ionic conductivity and solvent‐induced chiral inversion were developed that can be applied to fabricate a flexible electrochromic device.
Bibliography:These authors contributed equally to this work.
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ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202009332