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. 2014 May 28;4:5086. doi: 10.1038/srep05086

Figure 2.

Figure 2

(a, b) Experimental (red dots), simulated (red line), and Rietveld fit (blue line) XRD patterns of representative CZTS nanocrystals with (a) wurtzite and (b) kesterite structures. Standard XRD pattern (JCPDS No. 26-0575) of kesterite structured CZTS is also given in Figure 2b. (c) Illustration of crystal structure of unit cell and 2 × 2 × 2 unit cells of wurtzite-type Cu2ZnSnS4, and unit cell of kesterite -type Cu2ZnSnS4.