Research Article

Photocatalytic Oxidation of Carbon Monoxide over N i O / S n O 𝟐 Nanocomposites under UV Irradiation

Table 1

Variation of particle size, lattice parameter and band gap with dopant concentration.

Dopant concentration (%)Crystallite size (nm)Lattice parameter 𝑎 (Å)Lattice parameter 𝑐 (Å)Band gap (eV)

0.05.04.8003.1973.63
5.03.84.7933.1923.49
10.03.04.7923.1873.40
33.32.74.7863.1853.29
50.02.04.7843.1833.21