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. 2020 Nov 20;14(12):16414–16445. doi: 10.1021/acsnano.0c07638

Figure 7.

Figure 7

Simultaneous (a) absorption and (b) fluorescence images of single conjugated polymers MEH-PPV embedded in PMMA in near-critical xenon. (c) Histogram of absorption cross section and number of monomers of single MEH-PPV molecules. The dashed line is the photothermal detection limit. (d) Histogram of quantum yields of single MEH-PPV molecules deduced from the simultaneous measurements of fluorescence and photothermal signals of many single MEH-PPV molecules. (e) Correlation plot of quantum yields and absorption cross sections of single MEH-PPV molecules. The dashed line with a slope of −1 indicating the inverse relationship. Adapted from ref (23). Copyright 2017 American Chemical Society.