Table 1: Crystallite size, particle size, and specific surface area of various TiO2 nanoparticles.

SampleCrystallite size (nm) *filmParticle size (nm) (before sintering) TEMParticle size (nm) (after sintering) TEMBET (m2/g) (before sintering)BET (m2/g) (after sintering)

TiO2-NP2020 (NS)35108.582.3
P-2521 (anatase)
70 (rutile)
354251.651.3
ST-017527247.999.5
ST-2121273965.158.6

Represents for film, NS indicates for TiO2 nanosol.