Fabrication of crack-free photonic crystal films via coordination of microsphere terminated dendrimers and their performance in invisible patterned photonic displays

Min Chen; Yu Tian; Jing Zhang; Ri Hong; Li Chen; Su Chen; David Y. Son

doi:10.1039/C6TC02697D

Fabrication of crack-free photonic crystal films via coordination of microsphere terminated dendrimers and their performance in invisible patterned photonic displays†

Min Chen,^a Yu Tian,^a Jing Zhang,^a Ri Hong,^a Li Chen,^ab Su Chen*^a and David Y. Son*^b

* Corresponding authors

^a State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Chemical Engineering, Nanjing Tech University (former Nanjing University of Technology), Nanjing 210009, P. R. China
E-mail: chensu@njtech.edu.cn
Fax: +86-25-83172258
Tel: +86-25-83172258

^b Department of Chemistry, Center for Drug Discovery, Design, and Delivery, Southern Methodist University, Dallas, Texas 75275-0314, USA
E-mail: dson@smu.edu

Abstract

We report herein the fabrication of large-area, crack-free and flexible colloidal photonic crystal (CPC) films composed of composite microspheres. These microspheres were prepared by coating Ag nanoparticles (NPs) on carbosilane-thioether generation 3 vinyl-terminated (G3-Vi) dendrimer functionalized polystyrene (PS-co-G3Vi) microspheres by in situ generation. The coordination interaction among the microspheres imposes positive effects on the assembly of colloidal particles, allowing the construction of large-area crack-free quality functional colloidal photonic crystal (CPC) films. Benefited from the surface charge of these microspheres, invisible patterned photonic display devices were further obtained to show good stability, reproducibility and angle-independent characteristics, which are promising for optical devices, such as photoelectric control systems and anti-counterfeit technology.

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DOI: https://doi.org/10.1039/C6TC02697D
Article type: Paper
Submitted: 29 Jun 2016
Accepted: 23 Aug 2016
First published: 25 Aug 2016

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J. Mater. Chem. C, 2016,4, 8765-8771

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Fabrication of crack-free photonic crystal films via coordination of microsphere terminated dendrimers and their performance in invisible patterned photonic displays

M. Chen, Y. Tian, J. Zhang, R. Hong, L. Chen, S. Chen and D. Y. Son, J. Mater. Chem. C, 2016, 4, 8765 DOI: 10.1039/C6TC02697D

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Journal of Materials Chemistry C

Fabrication of crack-free photonic crystal films via coordination of microsphere terminated dendrimers and their performance in invisible patterned photonic displays†

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Fabrication of crack-free photonic crystal films via coordination of microsphere terminated dendrimers and their performance in invisible patterned photonic displays

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