Fig. 3
From: Optical characterization of surface adlayers and their compositional demixing at the nanoscale
Dependence of adlayer spectral and structural properties on polarity of the liquid. a–e True-color SR-PAINT images of adlayers of tetrahydrothiophene (a) ethyl acetate (b) dichloromethane (c) nitromethane (d) and EAA (e). Images were color-coded according to the spectral mean values of single Nile red molecules, on the same spectral/polarity scale as Fig. 2. Scale bars: 2 µm. f Measured spectral mean values of the adlayers vs. the relative polarity (normalized Dimroth–Reichardt ET scale30) of the liquids. THT: tetrahydrothiophene, EtOAc: ethyl acetate, DCM: dichloromethane, Nitro2C: nitroethane, NitroC: nitromethane. Each data point is averaged from 9–12 areas of 3–6 different samples, with standard deviations drawn as error bars. Red curve is a guide to the eyes
