Issue 35, 2021

Kinetic control of chirality and circularly polarized luminescence in G-quartet materials

Abstract

The formation of chirality of G-quartet materials has been of concern for a long time, however, the helix-handedness of G-quartet materials is still ambiguous, as well as the novel circularly polarized luminescence (CPL) properties. Here, we demonstrated that the handedness of G-quartet materials highly depends on their formation kinetics. By controlling the temperature or the initial concentration of reactants, we found that right-handed helical G-quartet nanostructures were synthesized in the slow process, while left-handed structures were synthesized in the fast process via orderly stacking. The phenomenon can be explained by the theory of kinetic trapping, in which a slow process leads to the thermodynamic equilibrium, while a fast process results in the kinetic trap state. Furthermore, the first kinetic trapping-controlled reversal CPL system was designed in G-quartet materials via chirality transfer, which has potential applications in CPL materials design and application.

Graphical abstract: Kinetic control of chirality and circularly polarized luminescence in G-quartet materials

Supplementary files

Article information

Article type
Communication
Submitted
29 мар 2021
Accepted
11 май 2021
First published
12 май 2021

J. Mater. Chem. B, 2021,9, 7140-7144

Kinetic control of chirality and circularly polarized luminescence in G-quartet materials

J. Chen, C. Gao, Z. Zhang, X. Liu, Y. Chen and L. Feng, J. Mater. Chem. B, 2021, 9, 7140 DOI: 10.1039/D1TB00683E

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