Study reports rapid ON–OFF photorheological switching in flexible polymer networks, suggesting potential in smart materials.
We report the synthesis and photoresponsivity of precisely designed star-shaped poly(dimethyl siloxane) (PDMS) with anthracene end groups. These materials exhibit rapid ON–OFF photorheological switching with a greater than 25,000-fold change in the storage modulus. The effective utilization of flexible polymers and precisely defined polymer architectures offers a versatile platform for photorheological smart polymeric materials across a broad spectrum of applications.
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Honda et al. (2025) studied this question.
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