Issue 35, 2020

Recent developments of colorimetric mechanical sensors based on polymer composites

Abstract

Colorimetric mechanical (force, pressure, strain, and impact) sensors allow naked-eye visualization of existing structural deformations of a system occurring upon application of a mechanical action. The combination of mechanochromic materials with polymers offers a practical approach to designing and fabricating these sensors. Polymers as matrices can tolerate a wide range of forces and permits reusability of the sensors. On the other hand, mechanochromic materials provide unique colour properties depending on the type of mechanical action. They have also been frequently employed for the quantification of mechanical forces. As an example, non-centrosymmetric crystals are combined with polymers for sensing impact forces. Structures with photoluminescence and scattering and plasmonic resonances can be used to fabricate strain and pressure responsive composite materials, respectively. This study reviews recent advances in colorimetric mechanical sensor systems prepared using polymers and inorganic and organic mechanochromic materials working under a wide range of forces.

Graphical abstract: Recent developments of colorimetric mechanical sensors based on polymer composites

Article information

Article type
Review Article
Submitted
31 May 2020
Accepted
28 Jul 2020
First published
29 Jul 2020

J. Mater. Chem. C, 2020,8, 12036-12053

Recent developments of colorimetric mechanical sensors based on polymer composites

E. Inci, G. Topcu, T. Guner, M. Demirkurt and M. M. Demir, J. Mater. Chem. C, 2020, 8, 12036 DOI: 10.1039/D0TC02600J

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