Fig. 4.
Raman images of diyne-SM/DOPC/chol ternary monolayers with composition ratios of (A) 1:1:1, (B) 3:7:3, and (C) 1:0:0 reconstructed using the intensity of the diyne peak at 2,263 cm−1. (D) Averaged Raman spectra from rectangular areas marked i–iv in A–C. Area i corresponds to an ordered domain, whereas area ii corresponds to a disordered region. Each rectangular area includes 9 (3 × 3) pixels. The Raman peak of N2 at 2,330 cm−1 was removed so that the diyne peak could be clearly seen. (E) Spatial distribution of Raman spectra of the diyne-SM/DOPC/chol ternary monolayer at a 1:1:1 ratio acquired along the yellow line marked in A. Wavenumber region includes the diyne peak and CH2/CH3 stretching vibrational mode. The images consist of 36 × 24 pixels. (Scale bar: 10 μm.)