Wanying Zhang , Zhiqing Wang , Fen Li , Zixin Gu , Keqiang Chen , Guogang Li
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Controlling the growth kinetics of CsPbX3 nanocrystals through the spatial confinement effect†
Controlling CsPbX3 (X = Cl, Br, I) nanocrystal growth is challenging due to subsecond ionic metathesis. Here, spatial confinement at the hexane–acetonitrile interface enables precise control of kinetics, achieving ultra-wide PL tunability (434–520 nm for CsPbBr3, 541–662 nm for CsPbI3) from blue-violet to green and yellow-green to deep red.
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