Tough and Hydrophilic Photonic Crystals Obtained from Direct UV Irradiation

被引：22

作者：

Zhang, Yuqi ^{[1
]}

Hao, Xin ^{[2
]}

Zhou, Jinming ^{[1
]}

Zhang, Youzhuan ^{[2
]}

Wang, Jingxia ^{[1
]}

Song, Yanlin ^{[1
]}

Jiang, Lei ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, New Mat Lab, Key Lab Organ Solids,Inst Chem, Beijing 100190, Peoples R China

[2] Yanan Univ, Coll Chem & Chem Engn, Yanan 716000, Shaanxi, Peoples R China

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2010年 / 31卷 / 24期

关键词：

mechanical strength; photochemical cross-linking; photonic crystals; polystyrene; UV irradiation; wettability; COLLOIDAL CRYSTALS; OPTICAL-PROPERTIES; STRUCTURAL COLOR; FILMS; FABRICATION; HYDROGEL; WETTABILITY; STABILITY; SURFACES; SPHERES;

D O I：

10.1002/marc.201000495

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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.

引用

页码：2115 / 2120

页数：6

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