Research Article

Effect of Annealing Atmosphere on the Properties of Electrochemically Deposited Cu2ZnSnS4 (CZTS) Thin Films

Figure 4

Variation of ( 𝛼 𝜐 ) 2 as a function of photon energy ( 𝜐 ) for as-deposited precursor film and annealed CZTS thin films in various annealing atmosphere.
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