Stretching a polymer film induces a conformational change (from the twisted to planar state) in the embedded porphyrin dimer, as evidenced by steady-state and time-resolved emission spectra.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6167131PMC
http://dx.doi.org/10.1039/c6cc04306bDOI Listing

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