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Engineering the Phases and Heterostructures of Ultrathin Hybrid Perovskite Nanosheets
Sun, Y; Yin, Y; Pols, M; Zhong, JX; Huang, Z; Liu, BW; Liu, JQ; Wang, W; Xie, HG; Zhan, GX; Zhou, ZS; Zhang, W; Wang, PC; Zha, CY; Jiang, XH; Ruan, YJ; Zhu, C; Brocks, G; Wang, XY; Wang, L; Wang, JP; Tao, SX; Huang, W
2020-07-20
Source PublicationADVANCED MATERIALS
ISSN0935-9648
Issue34
SubtypeArticle
AbstractLow-dimensional perovskites have gained increasing attention recently, and engineering their material phases, structural patterning and interfacial properties is crucial for future perovskite-based applications. Here a phase and heterostructure engineering on ultrathin perovskites, through the reversible cation exchange of hybrid perovskites and efficient surface functionalization of low-dimensional materials, is demonstrated. Using PbI(2)as precursor and template, perovskite nanosheets of varying thickness and hexagonal shape on diverse substrates is obtained. Multiple phases, such as PbI2, MAPbI(3)and FAPbI(3), can be flexibly designed and transformed as a single nanosheet. A perovskite nanosheet can be patterned using masks made of 2D materials, fabricating lateral heterostructures of perovskite and PbI2. Perovskite-based vertical heterostructures show strong interfacial coupling with 2D materials. As a demonstration, monolayer MoS2/MAPbI(3)stacks give a type-II heterojunction. The ability to combine the optically efficient perovskites with versatile 2D materials creates possibilities for new designs and functionalities.
DOI10.1002/adma.202002392
WOS KeywordTOTAL-ENERGY CALCULATIONS ; EFFICIENT
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27900
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Sun, Y,Yin, Y,Pols, M,et al. Engineering the Phases and Heterostructures of Ultrathin Hybrid Perovskite Nanosheets[J]. ADVANCED MATERIALS,2020(34).
APA Sun, Y.,Yin, Y.,Pols, M.,Zhong, JX.,Huang, Z.,...&Huang, W.(2020).Engineering the Phases and Heterostructures of Ultrathin Hybrid Perovskite Nanosheets.ADVANCED MATERIALS(34).
MLA Sun, Y,et al."Engineering the Phases and Heterostructures of Ultrathin Hybrid Perovskite Nanosheets".ADVANCED MATERIALS .34(2020).
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