Issue 9, 2011
From the journal:

Soft Matter

Amphoteric polymeric photonic crystal with U-shaped pH response developed by intercalation polymerization

Hongwei Xia,a   Junpeng Zhao,a   Cong Meng,a   Ying Wu,a   Yijie Lu,a   Jingxia Wang,b   Yanlin Song,b   Lei Jiangb  and  Guangzhao Zhang*a  

* Corresponding authors

a Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, P.R. China
E-mail: gzzhang@ustc.edu.cn

b Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Amphoteric one-dimensional photonic crystal (PC) based on polystyrene-b-poly(2-vinyl pyridine) (PS-b-P2VP) block copolymer was developed by intercalation polymerization of acrylic acid and 2-hydroxyethyl methacrylate in the partly quaternized P2VP (QP2VP) layers. The amphoteric PC reversibly exhibits a high first Bragg peak position (λmax > 700 nm) at both acidic and basic pH values where the QP2VP layers are positively and negatively charged respectively. The minimum λmax (300 nm) at pH 5.5 can be observed due to charge screening. The PC with a U-shaped pH response also shows good durability.

Graphical abstract: Amphoteric polymeric photonic crystal with U-shaped pH response developed by intercalation polymerization

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Article information

DOI
https://doi.org/10.1039/C1SM05065F
Article type
Communication
Submitted
15 Jan 2011
Accepted
14 Mar 2011
First published
30 Mar 2011

Soft Matter, 2011,7, 4156-4159

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Amphoteric polymeric photonic crystal with U-shaped pH response developed by intercalation polymerization

H. Xia, J. Zhao, C. Meng, Y. Wu, Y. Lu, J. Wang, Y. Song, L. Jiang and G. Zhang, Soft Matter, 2011, 7, 4156 DOI: 10.1039/C1SM05065F

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