Issue 9, 2015
From the journal:

RSC Advances

Effect of surface modification of SiO2@TiO2 core–shell particles on the structural colour under an electric field

Xuanxuan Qiao,a   Yuxia Luo,a   Aihua Sun,*a   Chongyang Wang,a   Jianfei Zhang,a   Chengyi Chu,a   Jianjun Guoa  and  Gaojie Xua  

* Corresponding authors

a Department of Functional Materials and Nano-Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, China
E-mail: sunaihua@nimte.ac.cn

Abstract

Surface modified colloidal SiO2@TiO2 core–shell particles were chosen to study their responsive photonic properties and the effect of surface on structural colour under low electric field. The surface of SiO2@TiO2 core–shell particles was controllably coated by PDDA, PVA and SiO2. A corresponding colloidal suspension of the modified SiO2@TiO2 showed completely different reflection spectra. The dielectric spectrum was employed to explain the effect of surface properties on the assembly.

Graphical abstract: Effect of surface modification of SiO2@TiO2 core–shell particles on the structural colour under an electric field

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Article information

DOI
https://doi.org/10.1039/C4RA12502A
Article type
Paper
Submitted
16 Oct 2014
Accepted
17 Dec 2014
First published
17 Dec 2014

RSC Adv., 2015,5, 6489-6493

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Effect of surface modification of SiO2@TiO2 core–shell particles on the structural colour under an electric field

X. Qiao, Y. Luo, A. Sun, C. Wang, J. Zhang, C. Chu, J. Guo and G. Xu, RSC Adv., 2015, 5, 6489 DOI: 10.1039/C4RA12502A

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