Fig. 3 | Nature Communications

Fig. 3

From: Soft chromophore featured liquid porphyrins and their utilization toward liquid electret applications

Fig. 3

Electronic properties of porphyrin unit. a, b Comparison of UV-Visible absorption spectra of compounds 2 and 4 in the solvent-free liquid state (normalised at Soret-band peak intensity) (a) and dichloromethane solution (b). The four Q-bands are designated as I–IV. c, d, UV-Visible absorption (c) and the corresponding MCD spectra (d) of compounds 1–3 recorded in dichloromethane. The systematic changes in the Q-bands are shown at bands I and III. Solutions having concentrations 1.2 × 10−6 M and 2 × 10−5 M were used for recording the Soret and Q-band spectra, respectively, in dichloromethane

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