International Journal of Photoenergy / 2014 / Article / Fig 4

Research Article

Synthesis and Characterization of CZTS Thin Films by Sol-Gel Method without Sulfurization

Figure 4

SEM photographs of CZTS films. (a) and (c) Surface and cross section of 9-LAY. (b) and (d) Surface and cross section of 9-LAY-ANN.

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