]>Visible-Light-Active Titania Photocatalysts: The Case of N-Doped <mml:math id="E1" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mtext>TiO</mml:mtext></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>s—Properties and Some Fundamental Issues : Table 1
Table 1: Comparison of calculated band gaps of undoped rutile and anatase T i O 2 with experimental and calculated values reported by others ( 𝐸 B G is the direct band gap). From Wang and Lewis [55].

Source 𝐸 B G (rutile), eV 𝐸 B G (anatase), eV

Wang and Lewis3.053.26

Experiments3.06 [56]3.20 [58], 3.42 [59]

Other calcns2.00 [57], 1.78 [60]2.22 [60], 2.00 [46]