Effect of Electrodeposition Potential on Composition of CuIn_1−xGa_xSe₂ Absorber Layer for Solar Cell by One-Step Electrodeposition

Table 2

Roughness measured by AFM for CIGS thin films prepared at electrodeposition potential of −1350 mV.

Electrodeposition time (s)	20	40	60
Roughness average (Ra)	0.0483	0.2516	0.1906
Roughness root mean square (RMS)	0.0606	0.2960	0.2601
Average height maximum	0.2354	0.7289	1.5423
Height maximum	0.4706	1.5879	3.2496

Unit: 𝜇m.