Mechanochromic Photonic Gels

摘要: Polymer gels are remarkable materials with physical structures that can adapt significantly and quite rapidly changes in the local environment, such as temperature, light intensity, electrochemistry, mechanical force. An interesting phenomenon observed certain polymer gel systems is mechanochromism - a change color due to deformation. Mechanochromic photonic periodically structured engineered stopband be tuned by forces reflect specific colors. These have potential mechanochromic sensors because both optical properties highly tailorable via incorporation of diluents, solvents, nanoparticles, or polymers, application stimuli pH, electric strain fields. Recent advances display strain-dependent discussed. In particular, this discussion focuses primarily on polymer-based directly indirectly fabricated self-assembly, these promising soft material platforms for scalable sensors.