Research Article

Preparation of Cu2Sn3S7 Thin-Film Using a Three-Step Bake-Sulfurization-Sintering Process and Film Characterization

Figure 5

PL characteristics of specimens. (a) 200°C and visible light, (b) 200°C and infrared, (c) 500°C and visible light, (d) 500°C and infrared, (e) 600°C and visible light, and (f) 600°C and infrared.
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