Samples

Specific area (m²/g)

Pore volume (cm³/g)

Average diameter (nm)

Bi₂₀/SBA-15

156

0.26

6.6

Bi₃₀/SBA-15

84

0.16

6.5

Bi₄₀/SBA-15

62

0.11

6.3

Bi₅₀/SBA-15

51

0.10

6.0