外延
溶解
成核
结晶
晶体生长
材料科学
基质(水族馆)
结晶学
液相
格子(音乐)
相(物质)
化学工程
化学物理
化学
纳米技术
热力学
物理化学
海洋学
物理
有机化学
图层(电子)
地质学
声学
工程类
作者
Jack Elia,Ievgen Levchuk,Yi Hou,Gebhard J. Matt,Albert These,Yicheng Zhao,Jiyun Zhang,Karen Forberich,Andres Osvet,Klaus Götz,Johannes Will,Mingjian Wu,Christina Harreiß,Stefanie Rechberger,Johannes Will,Tobias Unruh,Erdmann Spiecker,Yu. Zorenko,Miroslaw Batentschuk,Christoph J. Brabec
标识
DOI:10.1021/acs.jpcc.3c06162
摘要
Since the earliest days of liquid-phase epitaxy (LPE) research, substrate stability has been a prerequisite for investigating nucleation and epitaxial growth. For flux- and melt-growth LPE, soluble substrates have always been viewed as problematic and difficult. However, solution-growth LPE transforms this disadvantage into a benefit by facilitating the creation of graded interfaces. In this study, we investigated the nucleation and growth of solution-grown LPE in the evaporation mode of soluble CsPbBr3 on freshly cleaved NaCl single-crystal substrates. Only two of the four main types of CsPbBr3 crystallization observed are epitaxial. The microscopic observation of composition gradients at the interface of CsPbBr3 grains and substrates reveals a promising opportunity to manipulate the lattice constant at the interface by simply controlling the temperature and concentration.
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