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Polymers 2017, 9(11), 436;

Stimuli Responsive Polymer-Based 3D Optical Crystals for Sensing

State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
Physical Sciences Department, MacEwan University, Edmonton, AB T5J 4S2, Canada
Authors to whom correspondence should be addressed.
Received: 10 June 2017 / Revised: 23 August 2017 / Accepted: 25 August 2017 / Published: 25 October 2017
(This article belongs to the Special Issue Polymers for Chemosensing)
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3D optical crystals have found their applications in sensing, actuation, optical devices, batteries, supercapacitors, etc. The 3D optical crystal devices are comprised of two main components: colloidal gels and nanoparticles. Nanoparticles self-assemble into face center cubic structures in colloidal gels. The inherent 3D optical crystal structure leads to display of structural colors on these devices following light impingement. As such, these optical properties have led to the utilization of these 3D optical crystals as self-reporting colorimetric sensors, which is the focus of this review paper. While there is extensive work done so far on these materials to exhaustively be covered in this review, we focus here in on: mechanism of color display, materials and preparation of 3D optical crystals, introduction of recent sensing examples, and combination of 3D optical crystals with molecular imprinting technology. The aim of this review is to familiarize the reader with recent developments in the area and to encourage further research in this field to overcome some of its challenges as well as to inspire creative innovations of these materials. View Full-Text
Keywords: stimuli responsive polymers; 3D optical crystals; chemosensors; polymer nanostructures stimuli responsive polymers; 3D optical crystals; chemosensors; polymer nanostructures

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zhang, Q.; Serpe, M.J.; Mugo, S.M. Stimuli Responsive Polymer-Based 3D Optical Crystals for Sensing. Polymers 2017, 9, 436.

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