Table 3. FWHM Values of C8-BTBT/PMMA Blend Films Deposited on the PS/SiO₂ Substrate with Different Thicknesses of PS Films.

PS thickness	10 mg/mL	30 mg/mL	60 mg/mL	90 mg/mL	120 mg/mL	150 mg/mL
FWHM	0.33°	0.32°	0.22°	0.25°	0.16°	0.29°