Table 1. Crystallite size of the Ag3PO4 in the g-C3N4/Ag3PO4 composites.

(hkl) FWHM Crystallite size (nm)
(200) 29.75° 0.144 59.64
(210) 33.35° 0.171 50.67
(211) 36.64° 0.194 45.07
Average 51.79