Improved Performance for Dye-Sensitized Solar Cells Using a Compact TiO₂ Layer Grown by Sputtering

Table 2

The deposition rate and roughness value for the TiO₂ films.

Samples	Deposition rate (nm/min)	Roughness, Ra (nm)
Number 1	0.41	0.32
Number 2	0.55	0.33
Number 3	0.76	0.44
Number 4	0.86	0.35
Number 5	0.65	0.47
Number 6	0.73	0.77
Number 7	0.79	2.77
Number 8	0.89	1.21
Number 9	0.75	2.25
Number 10	0.68	4.12
Number 11	0.71	3.95
Number 12	0.82	2.89