Electric field induced structural color changes of SiO sub(2)iO sub(2) core-shell colloidal suspensions

Electric field induced structural color changes of SiO sub(2)iO sub(2) core-shell colloidal suspensions

A shell size adjustable core-shell nano building block of SiO sub(2)iO sub(2) using high refractive index materials of TiO sub(2) as shell to coat SiO sub(2) colloidal NPs by one step approach was prepared. Corresponding colloidal suspension of SiO sub(2)iO sub(2) photonic crystals in propylene carb...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2014-02, Vol.2 (11), p.1990-1994
Hauptverfasser: Luo, Yuxia, Zhang, Jianfei, Sun, Aihua, Chu, Chengyi, Zhou, Shi, Guo, Jianjun, Chen, Tao, Xu, Gaojie
Format: Artikel
Sprache:eng
Schlagworte:
Adjustable
Colloids
Color
Electric fields
Photonic crystals
Shells
Silicon dioxide
Titanium dioxide
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Zusammenfassung:A shell size adjustable core-shell nano building block of SiO sub(2)iO sub(2) using high refractive index materials of TiO sub(2) as shell to coat SiO sub(2) colloidal NPs by one step approach was prepared. Corresponding colloidal suspension of SiO sub(2)iO sub(2) photonic crystals in propylene carbonate showed a highly adjustable structure color change with the high-refractive index upon applying of electric fields.
ISSN:2050-7526
2050-7534
DOI:10.1039/c3tc32227k