Tough and Hydrophilic Photonic Crystals Obtained from Direct UV Irradiation

Yuqi Zhang; Xin Hao; Jinming Zhou; Youzhuan Zhang; Jingxia Wang; Yanlin Song; Lei Jiang

doi:10.1002/marc.201000495

Tough and Hydrophilic Photonic Crystals Obtained from Direct UV Irradiation

Macromol Rapid Commun. 2010 Dec 15;31(24):2115-20. doi: 10.1002/marc.201000495. Epub 2010 Nov 9.

Authors

Yuqi Zhang¹, Xin Hao, Jinming Zhou, Youzhuan Zhang, Jingxia Wang, Yanlin Song, Lei Jiang

Affiliation

¹ Beijing National Laboratory for Molecular Sciences (BNLMS), Laboratory of New Materials, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.

PMID: 21567638
DOI: 10.1002/marc.201000495

Abstract

Tough and hydrophilic polystyrene (PS) photonic crystals (PCs) were obtained from direct UV irradiation. The irradiation procedure results in photochemical cross-linking of PS spheres, which leads to the enhanced mechanical strength of the PC films, without degrading the spectra quality of the PCs. Otherwise, the irradiation induces the formation of the carbonyl groups upon the latex surface, which changes the wettability of the films from hydrophobicity to high hydrophilicity. The results provide a facile and effective approach to fabricate functional PC films with high mechanical strength and special wettability, which will be of great importance for the practical application of PCs.