Figure 4
From: Vertical Alignment of Liquid Crystals Over a Functionalized Flexible Substrate

(a,b) C1s and O 1s XPS spectra for unmodified substrate and (c–e) C 1s, O 1s and Si 2p XPS spectra for surface modified substrate respectively.
From: Vertical Alignment of Liquid Crystals Over a Functionalized Flexible Substrate

(a,b) C1s and O 1s XPS spectra for unmodified substrate and (c–e) C 1s, O 1s and Si 2p XPS spectra for surface modified substrate respectively.