Fig. 3From: TEM and STEM Studies on the Cross-sectional Morphologies of Dual-/Tri-layer Broadband SiO2 Antireflective Filmsa 13C NMR spectra of silica sol C. b 13C NMR spectra silica sol D. c 1H NMR spectra of c silica sol C. d 1H NMR spectra of silica sol DBack to article page