Ni-Doped Protonated Layered Titanate/TiO₂ Composite with Efficient Photocatalytic Activity for NO Decomposition Reactions

Table 1

Band gap energies of different samples.

Sample	Band gap energy (eV)
CTNO (0)_600	3.52
CTNO (0.05)_600	2.88
CTNO (0.1)_600	2.83
CTNO (0.35)_600	2.73
HTNO (0)_600	3.28
HTNO (0.05)_600	3.08
HTNO (0.1)_600	2.95
HTNO (0.35)_600	2.81