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나노의학 연구단
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Self-Assembly of Two-Dimensional Perovskite Nanosheet Building Blocks into Ordered Ruddlesden-Popper Perovskite Phase

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Title
Self-Assembly of Two-Dimensional Perovskite Nanosheet Building Blocks into Ordered Ruddlesden-Popper Perovskite Phase
Author(s)
Yong Liu; Martin Siron; Dylan Lu; Jingjing Yang; Roberto dos Reis; Fan Cui; Mengyu Gao; Minliang Lai; Jia Lin; Qiao Kong; Teng Lei; Joohoon Kang; Jianbo Jin; Jim Ciston; Peidong Yang
Publication Date
2019-08
Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.141, no.33, pp.13028 - 13032
Publisher
AMER CHEMICAL SOC
Abstract
Copyright © 2019 American Chemical Society.The self-assembly of nanoparticles, a process whereby nanocrystal building blocks organize into even more ordered superstructures, is of great interest to nanoscience. Here we report the layer-by-layer assembly of 2D perovskite nanosheet building blocks. Structural analysis reveals that the assembled superlattice nanocrystals match with the layered Ruddlesden-Popper perovskite phase. This assembly proves reversible, as these superlattice nanocrystals can be reversibly exfoliated back into their building blocks via sonication. This study demonstrates the opportunity to further understand and exploit thermodynamics to increase order in a system of nanoparticles and to study emergent optical properties of a superlattice from 2D, weakly attracted, perovskite building blocks
URI
https://pr.ibs.re.kr/handle/8788114/6902
ISSN
0002-7863
Appears in Collections:
Center for Nanomedicine (나노의학 연구단) > Journal Papers
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