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. 2020 Jan 31;8:35. doi: 10.3389/fchem.2020.00035

Figure 2.

Figure 2

(A,B) TEM image of Cs2SnI6 nanocrystals at 100kx (A) and 250kx (B) magnifications. (C–E) Size distribution histograms for Cs2SnI6 (C), Cs2SnBr6 (D), Cs2Sn(I0.5Br0.5)6 (E), and Cs2SnCl6 (F), respectively, quenched after 1 min of reaction time.