Solution-Growth Liquid-Phase Epitaxy of CsPbBr3 on NaCl by Optimizing the Substrate Dissolution

被引:0
作者
Elia, Jack [1 ]
Levchuk, Ievgen [1 ]
Hou, Yi [1 ]
Matt, Gebhard J. [1 ]
These, Albert [1 ]
Zhao, Yicheng [1 ]
Zhang, Jiyun [1 ,2 ]
Forberich, Karen [1 ,2 ]
Osvet, Andres [1 ]
Goetz, Klaus [3 ,4 ]
Prihoda, Annemarie [3 ,4 ]
Wu, Mingjian [4 ,6 ]
Harreiss, Christina [4 ,6 ]
Rechberger, Stefanie [4 ,6 ]
Will, Johannes [4 ,6 ]
Unruh, Tobias [3 ,4 ]
Spiecker, Erdmann [4 ,6 ]
Zorenko, Yuriy [5 ]
Batentschuk, Miroslaw [1 ]
Brabec, Christoph J. [1 ,2 ]
机构
[1] Friedrich Alexander Univ Erlangen Nurnberg, Mat Elect & Energy Technol i MEET, D-91058 Erlangen, Germany
[2] Forschungszentrum Julich GmbH, Helmholtz Inst Erlangen Nurnberg Renewable Energy, Immerwahrstr 2, D-91058 Erlangen, Germany
[3] Friedrich Alexander Univ Erlangen Nurnberg, Crystallog & Struct Phys ICSP, D-91058 Erlangen, Germany
[4] Friedrich Alexander Univ Erlangen Nurnberg, Ctr Nanoanal & Electron Microscopy CENEM, IZNF Erlangen, Cauerstr 3, D-91058 Erlangen, Germany
[5] Kazimierz Wielki Univ, Inst Phys, Powst Wielkopolskich 2, PL-85072 Bydgoszcz, Poland
[6] Friedrich Alexander Univ Erlangen Nurnberg, Micro & Nanostruct Res, D-91058 Erlangen, Germany
关键词
PHOTOLUMINESCENCE BLINKING; CRYSTAL-GROWTH; LPE GROWTH; LAYERS; GAAS;
D O I
10.1021/acs.jpcc.3c06162
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
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.
引用
收藏
页码:22412 / 22424
页数:13
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