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Unconventional solution-phase epitaxial growth of organic-inorganic hybrid perovskite nanocrystals on metal sulfide nanosheets
Zhipeng Zhang1; Fangfang Sun1; Zhaohua Zhu1; Jie Dai1; Kai Gao1; Qi Wei1; Xiaotong Shi1; Qian Sun1; Yan Yan1; Hai Li1; Haidong Yu1; Guichuan Xing1,2; Xiao Huang1; Wei Huang1,3
2019-01
Source PublicationScience China Materials
ISSN2095-8226
Volume62Issue:1Pages:43-53
Abstract

Epitaxial heterostructures based on organic-inorganic hybrid perovskites and two-dimensional materials hold great promises in optoelectronics, but they have been prepared only via solid-state methods that restricted their practical applications. Herein, we report cubic-phased MAPbBr (MA=CH NH ) nanocrystals were epitaxially deposited on trigonal/hexagonal-phased MoS nanosheets in solution by facilely tuning the solvation conditions. In spite of the mismatched lattice symmetry between the square MAPbBr (001) overlayer and the hexagonal MoS (001) substrate, two different aligning directions with lattice mismatch of as small as 1% were observed based on the domainmatching epitaxy. This was realized most likely due to the flexible nature and absence of surface dangling bonds of MoS nanosheets. The formation of the epitaxial interface affords an effective energy transfer from MAPbBr to MoS , and as a result, paper-based photodetectors facilely fabricated from these solution-dispersible heterostructures showed better performance compared to those based on MoS or MAPbBr alone. In addition to the improved energy transfer and light adsorption, the use of MoS nanosheets provided flexible and continuous substrates to connect the otherwise discrete MAPbBr nanocrystals and achieved the better film forming ability. Our work suggests that the scalable preparation of heterostructures based on organic-inorganic hybrid perovskites and 2D materials via solution-phase epitaxy may bring about more opportunities for expanding their optoelectronic applications.

KeywordEpitaxial Growth Organic-inorganic Hybrid Perovskite Paper-based Photodetector Transition Metal Chalcogenide
DOIhttps://doi.org/10.1007/s40843-018-9274-y
URLView the original
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000455325400004
PublisherSCIENCE PRESS, 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Applied Physics and Materials Engineering
Corresponding AuthorGuichuan Xing; Xiao Huang; Wei Huang
Affiliation1.Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
2.Institute of Applied Physics and Materials Engineering, University of Macau, Macau SAR 999078, China
3.Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), Xi’an 710072, China
Corresponding Author AffilicationInstitute of Applied Physics and Materials Engineering
Recommended Citation
GB/T 7714
Zhipeng Zhang,Fangfang Sun,Zhaohua Zhu,et al. Unconventional solution-phase epitaxial growth of organic-inorganic hybrid perovskite nanocrystals on metal sulfide nanosheets[J]. Science China Materials,2019,62(1):43-53.
APA Zhipeng Zhang.,Fangfang Sun.,Zhaohua Zhu.,Jie Dai.,Kai Gao.,...&Wei Huang.(2019).Unconventional solution-phase epitaxial growth of organic-inorganic hybrid perovskite nanocrystals on metal sulfide nanosheets.Science China Materials,62(1),43-53.
MLA Zhipeng Zhang,et al."Unconventional solution-phase epitaxial growth of organic-inorganic hybrid perovskite nanocrystals on metal sulfide nanosheets".Science China Materials 62.1(2019):43-53.
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