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Band gap variation of CuInSe2 thin films electrodeposited at potentials −0.8 V from the solution having pH 2.2 (set A), 2.4 (set B), and 2.6 (set C).
| pH of the bath | Potential applied (V) | Bandgap (eV) |
|---|---|---|
| CuInSe2 | ||
| 2.2 (set A) | −0.8 | 1.26 |
| 2.4 (set B) | 1.38 | |
| 2.6 (set C) | 1.16 |
