Cerium Dioxide Thin Films Using Spin Coating

Table 1

Thicknesses and optical indirect band gaps of the different films.

Cerium concentration (M)	Average thickness; (nm)	Optical indirect band gap (eV)
0.1	100	3.85
0.3	240	3.76
0.5	380	3.67
0.7	700	3.52
0.9	840	3.46