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Mechanochromic and Thermochromic Sensors Based on Graphene Infused Polymer Opals

Jurewicz, Izabela, King, Alice A.K, Shanker, Ravi, Large, Matthew J., Smith, Roman J., Maspero, Ross, Ogilvie, Sean P., Scheerder, Jurgen, Han, Jun, Backes, Claudia , Razal, Joe, Florescu, Marian, Keddie, Joseph, Coleman, Jonathan N. and Dalton, Alan (2020) Mechanochromic and Thermochromic Sensors Based on Graphene Infused Polymer Opals Advanced Functional Materials, 30 (31).

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Abstract

High quality opal-like photonic crystals containing graphene are fabricated using evaporation-driven self-assembly of soft polymer colloids. A miniscule amount of pristine graphene within a colloidal crystal lattice results in the formation of colloidal crystals with a strong angle-dependent structural color and a stop band that can be reversibly shifted across the visible spectrum. The crystals can be mechanically deformed or can reversibly change color as a function of their temperature, hence their sensitive mechanochromic and thermochromic response make them attractive candidates for a wide range of visual sensing applications. In particular, we show that the crystals are excellent candidates for visual strain sensors or integrated time-temperature indicators which act over large temperature windows. Given the versatility of these crystals, this method represents a simple, inexpensive and scalable approach to produce multifunctional graphene infused synthetic opals and opens up exciting applications for novel solution-processable nanomaterial based photonics.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Jurewicz, IzabelaIzabela.Jurewicz@surrey.ac.uk
King, Alice A.K
Shanker, Ravi
Large, Matthew J.
Smith, Roman J.
Maspero, Ross
Ogilvie, Sean P.
Scheerder, Jurgen
Han, Jun
Backes, Claudia
Razal, Joej.razal@surrey.ac.uk
Florescu, Marianm.florescu@surrey.ac.uk
Keddie, JosephJ.Keddie@surrey.ac.uk
Coleman, Jonathan N.
Dalton, Alan
Date : 3 August 2020
Funders : EPSRC
DOI : 10.1002/adfm.202002473
Grant Title : Strategic Equipment Grant
Copyright Disclaimer : © 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA,Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Additional Information : Embargo OK Metadata OK No Further Action
Depositing User : James Marshall
Date Deposited : 10 Apr 2020 15:47
Last Modified : 07 Aug 2020 14:18
URI: http://epubs.surrey.ac.uk/id/eprint/854142

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