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Publication Citation: Block copolymer photonic gel for mechanochromic sensing

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Author(s): Edwin P. Chan; Joseph J. Walish; Edwin L. Thomas; Christopher M. Stafford;
Title: Block copolymer photonic gel for mechanochromic sensing
Published: September 19, 2011
Abstract: In this work, we describe a strategy based on mechanochromic sensing, the coupling between mechanical and optical properties, of a block copolymer photonic gel. Although this phenomena has been observed in many materials, we demonstrate this concept for block copolymer gels since their mechanical properties are highly tunable via swelling. By leveraging the mechanical and optical sensitivity of a block copolymer photonic gel, we introduce a simple, quantitative, and tunable mechanochromic sensor film for probing soft material mechanics by investigating the relationships between mechanics and photonic stopband characteristics as a function of solvent composition.
Citation: Advanced Materials
Volume: 23
Issue: 40
Pages: pp. 4702 - 4706
Keywords: block copolymer; photonic gel; mechanochromic; sensor; thin film; strain
Research Areas: Polymers, Sensing, Characterization, Materials Science, Measurements