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. 2024 Dec 17;9(52):51652–51664. doi: 10.1021/acsomega.4c08106

Figure 3.

Figure 3

(a–d) Absorption and fluorescence spectra of trans-CP and (e, f) absorption spectra of a PSS mixture with 75% cis-CP in the presence of WP5 and WP6 in different concentrations. The initial concentrations of the photoswitch are (a, c) [trans-CP]0 = 2 × 10–5 M, (b, d) [trans-CP]0 = 2 × 10–6 M, and (e, f) [trans-CP + cis-CP]0 = 2 × 10–5 M. The fluorescence spectra were recorded with excitation at 500 nm. The insets show the measured and nonlinear fitted intensities or absorbances at a selected wavelength vs. the concentration of pillararene.