Fig. 4

(a) CL spectrum for different thicknesses of TiO2 layer for RI = 1.38, RI = 1.39, and Tg = 30 nm. (b) AS for different thicknesses of TiO2 layer for RI = 1.38 and Tg = 30 nm.

(a) CL spectrum for different thicknesses of TiO2 layer for RI = 1.38, RI = 1.39, and Tg = 30 nm. (b) AS for different thicknesses of TiO2 layer for RI = 1.38 and Tg = 30 nm.