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. 2018 Mar 5;1(3):1300–1308. doi: 10.1021/acsanm.8b00038

Figure 2.

Figure 2

(a) Powder XRD patterns of bulk CsPbBr3 (orange pattern) used for the ball-milling experiment, and the resulting CsPbBr3 NCs (green pattern) showing an identical orthorhombic perovskite crystal structure (Pnma space group); (b) photograph showing the obtained colloidal CsPbBr3 NCs diluted in toluene; (c) photograph showing the initial bulk CsPbBr3 crystals; (d) comparison of the XRD patterns of bulk FAPbBr3 (orange pattern) used for the ball-milling experiment and the resulting FAPbBr3 NCs (green pattern), indicating the retention of the cubic lattice; (e–h) TEM images of CsPbBr3 NCs and FAPbBr3 NCs at various magnifications.