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    武素丽

    • 教授     博士生导师   硕士生导师
    • 性别:女
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:化工学院
    • 学科:应用化学. 精细化工
    • 办公地点:西部校区实验楼E-422
    • 联系方式:13842603107
    • 电子邮箱:wusuli@dlut.edu.cn

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    Facile Synthesis of Monodispersed Polysulfide Spheres for Building Structural Colors with High Color Visibility and Broad Viewing Angle

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    论文类型:期刊论文

    发表时间:2017-01-18

    发表刊物:SMALL

    收录刊物:SCIE、EI、PubMed、Scopus

    卷号:13

    期号:3

    ISSN号:1613-6810

    关键字:colloidal assembly,color visibility,high refractive index,monodispersed spheres,structural colors

    摘要:The synthesis and assembly of monodispersed colloidal spheres are currently the subject of extensive investigation to fabricate artificial structural color materials. However, artificial structural colors from general colloidal crystals still suffer from the low color visibility and strong viewing angle dependence which seriously hinder their practical application in paints, colorimetric sensors, and color displays. Herein, monodispersed polysulfide (PSF) spheres with intrinsic high refractive index (as high as 1.858) and light-absorbing characteristics are designed, synthesized through a facile polycondensation and crosslinking process between sodium disulfide and 1,2,3-trichloropropane. Owing to their high monodispersity, sufficient surface charge, and good dispersion stability, the PSF spheres can be assembled into large-scale and high-quality 3D photonic crystals. More importantly, high structural color visibility and broad viewing angle are easily achieved because the unique features of PSF can remarkably enhance the relative reflectivity and eliminate the disturbance of scattering and background light. The results of this study provide a simple and efficient strategy to create structural colors with high color visibility, which is very important for their practical application.