Optimization of the Electrodeposition Parameters to Improve the Stoichiometry of In₂S₃ Films for Solar Applications Using the Taguchi Method

Table 4

Sulfur to indium (S/In) molar ratios from EDS.

Uniformity	L27 orthogonal array experiment	S/In molar ratio
■	1	1.1556
■	2	1.2567
■	3	1.2313
■	4	1.3697
■	5	1.3132
■	6	1.3196
■	7	1.6671
■	8	1.4445
■	9	1.4097
■	10	1.2559
■	11	1.3510
■	12	1.3297
■	13	1.3818
□	14	1.3910
□	15	1.4462
□	16	1.3684
□	17	1.4012
□	18	1.46
□	19	1.2894
□	20	1.2354
□	21	1.4032
□	22	1.3520
□	23	1.2807
□	24	1.4150
□	25	1.4108
□	26	1.2442
□	27	1.4221

■  Uniform In₂S₃ films.
□  Nonuniform In₂S₃ films.