Table 1: Physical properties of rGO, rGO-TON, and rGO-P25.

SampleTONrGOrGO-TONrGO-P25

Specific surface area (m2/g)139.8119.2138.279.4
Average pore size (nm)7.96.26.55.3
Total pore volume (m3/g)0.280.270.480.22