Issue 47, 2020

Recent progress in responsive photonic crystals of block copolymers

Abstract

Responsive block copolymer photonic crystals (BCP PCs) have a tunable photonic band gap (PBG) and structural colour under external stimuli, enabling their wide applications in bionics, sensing, display, and others. In this review, we summarize the recent progress in the preparation and applications of responsive BCP PCs. The effect of molecular weight, molecular architecture, and additives on the optical performance of BCP PCs is discussed. Then, we review the responsiveness of BCP PCs to mechanical, electric, thermal, solvent, humidity, and ionic stimuli. Moreover, we highlight the responsive PC microparticles prepared by the three-dimensional confined assembly of BCPs. Finally, we discuss the current challenges and perspectives in this field.

Graphical abstract: Recent progress in responsive photonic crystals of block copolymers

Article information

Article type
Review Article
Submitted
24 sep. 2020
Accepted
02 nóv. 2020
First published
11 nóv. 2020

J. Mater. Chem. C, 2020,8, 16633-16647

Recent progress in responsive photonic crystals of block copolymers

S. Liu, Y. Yang, L. Zhang, J. Xu and J. Zhu, J. Mater. Chem. C, 2020, 8, 16633 DOI: 10.1039/D0TC04561F

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