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Fig. 14 | Nano Convergence

Fig. 14

From: Ion exchange: an advanced synthetic method for complex nanoparticles

Fig. 14

(Reprinted with permission from American Chemical Society [104])

a A schematic of the anion exchange within the cubic perovskite crystalline structure of CsPbY3. b Powder X-ray diffraction patterns of the initial CsPbBr3 and anion-exchanged samples. c, d Transmission electron microscopy images of ~ 10 nm CsPbX3 nanocrystals after treatment with various quantities of Cl and I anions

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