Morphological, Structural, and Optical Properties of Single-Phase Cu(In,Ga)Se2 Thin Films from the Selenization of Thermally Evaporated InSe/Cu/GaSe Precursors
Figure 1
(a) The SEM pattern of the structural features of the precursor structure deposited at 200°C. (b) SEM micrographs showing the morphological features of a fully reacted Cu(In,Ga)Se2 film. Selenization was conducted in elemental Se vapour at 550°C for 60 min.