Research Article

TiO2 Nanotubes with Different Ag Loading to Enhance Visible-Light Photocatalytic Activity

Table 2

Calculated absorption band edge (λ) and band gap () of TNTs and Ag-TNTs samples.

SpecimensAbsorption band edge (λ, nm)Band gap (, eV)

TNTs385.73.23
Ag-TNTs-2.5451.72.75
Ag-TNTs-5519.72.39
Ag-TNTs-10504.92.46