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Room-temperature epitaxial welding of 3D and 2D perovskites
Zhu, Zhaohua1; Zhu, Chao2,3; Yang, Lei1; Chen, Qian4; Zhang, Linghai1; Dai, Jie1; Cao, Jiacheng4; Zeng, Shaoyu1; Wang, Zeyi1; Wang, Zhiwei1; Zhang, Wei1; Bao, Jusheng1; Yang, Lijuan1; Yang, Yang1; Chen, Bo5; Yin, Chunyang6; Chen, Hong1; Cao, Yang1; Gu, Hao7; Yan, Jiaxu1; Wang, Nana1; Xing, Guichuan7; Li, Hai1; Wang, Xiaoyong6; Li, Shaozhou8; Liu, Zheng3,9; Zhang, Hua5,10,11; Wang, Lin1; Huang, Xiao1; Huang, Wei1,4,8
Source PublicationNature Materials

Formation of epitaxial heterostructures via post-growth self-assembly is important in the design and preparation of functional hybrid systems combining unique properties of the constituents. This is particularly attractive for the construction of metal halide perovskite heterostructures, since their conventional solution synthesis usually leads to non-uniformity in composition, crystal phase and dimensionality. Herein, we demonstrate that a series of two-dimensional and three-dimensional perovskites of different composition and crystal phase can form epitaxial heterostructures through a ligand-assisted welding process at room temperature. Using the CsPbBr/PEAPbBr heterostructure as a demonstration, in addition to the effective charge and energy transfer across the epitaxial interface, localized lattice strain was observed at the interface, which was extended to the top layer of the two-dimensional perovskite, leading to multiple new sub-bandgap emissions at low temperature. Given the versatility of our strategy, unlimited hybrid systems are anticipated, yielding composition-, interface- and/or orientation-dependent properties.

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Indexed BySCIE
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000829722200001
Scopus ID2-s2.0-85134713691
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing, China
2.SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, China
3.School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore
4.Frontiers Science Center for Flexible Electronics, Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi’an, China
5.Department of Chemistry, City University of Hong Kong, Hong Kong
6.National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, China
7.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macao
8.Institute of Advanced Materials, Nanjing University of Posts & Telecommunications, Nanjing, China
9.CNRS-International-NTU-Thales Research Alliance (CINTRA), Singapore, Singapore
10.Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong
11.Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China
Recommended Citation
GB/T 7714
Zhu, Zhaohua,Zhu, Chao,Yang, Lei,et al. Room-temperature epitaxial welding of 3D and 2D perovskites[J]. Nature Materials,2022.
APA Zhu, Zhaohua.,Zhu, Chao.,Yang, Lei.,Chen, Qian.,Zhang, Linghai.,Dai, Jie.,Cao, Jiacheng.,Zeng, Shaoyu.,Wang, Zeyi.,Wang, Zhiwei.,Zhang, Wei.,Bao, Jusheng.,Yang, Lijuan.,Yang, Yang.,Chen, Bo.,Yin, Chunyang.,Chen, Hong.,Cao, Yang.,Gu, Hao.,...&Huang, Wei.(2022).Room-temperature epitaxial welding of 3D and 2D perovskites.Nature Materials.
MLA Zhu, Zhaohua,et al."Room-temperature epitaxial welding of 3D and 2D perovskites".Nature Materials (2022).
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