Research Article

Surfactant-Assisted Sol-Gel Synthesis of TiO2 with Uniform Particle Size Distribution

Table 1

Characteristics of the mesoporous titania samples.

Sample name aBET (m2 g−1) b 𝑆 mesopor (m2/g) c 𝑉 𝑝 (cm3/g) d 𝐷 𝑝 (nm)

TiO274970.1055.7
TiO2-P1231051220.32812.4
TiO2-PEI63640.17711.3
Hombikat51360.456>1000

aThe BET surface areas were calculated using the BET equation.
bThe mesoporous surface areas were calculated using the BJH equation on the desorption branches of the isotherms.
cTotal pore volume determined by BJH at 𝑝 / 𝑝 0 ratio of 0.988.
dAverage pore diameter.