Rapid Coating of Ultraviolet Shielding Colloidal Crystals

被引：8

作者：

Wang, Likun ^{[1
,2
]}

Xu, Yu ^{[3
]}

Chu, Zhaoran ^{[4
]}

Tang, Wenwei ^{[5
]}

Qiu, Yanfei ^{[4
]}

Zhao, Xueling ^{[4
]}

Jiang, Weizhong ^{[1
,2
]}

Ye, Jiayi ^{[2
,6
]}

Chen, Cheng ^{[4
,7
]}

机构：

[1] Donghua Univ, Coll Mat Sci & Engn, Shanghai 201620, Peoples R China

[2] Donghua Univ, China Natl Inspect & Testing Ctr Ophthalm Opt Gla, Shanghai 201620, Peoples R China

[3] Aerosp Syst Engn Shanghai, Shanghai 201108, Peoples R China

[4] Shanghai Polytech Univ, Coll Engn, Sch Environm & Mat Engn, Shanghai 201209, Peoples R China

[5] Shanghai Polytech Univ, Coll Int Vocat Educ, Modern Serv Dept, Shanghai 201209, Peoples R China

[6] Donghua Univ, Res Inst, Shanghai 201620, Peoples R China

[7] Shanghai Polytech Univ, Res Ctr Resource Recycling Sci & Engn, Shanghai 201209, Peoples R China

来源：

CRYSTALS | 2020年 / 10卷 / 06期

关键词：

colloidal crystal; photonic crystal; UV shielding; coating; self-assembly;

D O I：

10.3390/cryst10060502

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A facile spray coating preparation of ultraviolet (UV) shielding Poly(methyl methacrylate) (PMMA) based colloidal photonic crystal (PC) films was presented, where the UV radiation was physically resisted by the periodic structure. The specific wavelength within the UV regime could be tuned as required by varying the size of the monodispersed PMMA colloids. Such crystal coatings could be rapidly prepared in optical glasses with controllable thickness of similar to 5 mu m, which could simultaneously resist UV-254 with the efficiency of 77.43%. The monochromaticity of the crystal coatings ensures their potential in UV shielding materials of direct physical skin contact type.

引用

页码：1 / 9

页数：9

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