Functional hybrid multilayered van der Waals heterostructures from graphene and self-assembled supramolecular 2D crystals

We demonstrate the soft realization of a new generation of functional hybrid van der Waals (vdW) heterostructures alternating two-dimensional (2D) materials and surface-confined supramolecular self-assemblies of porous crystals into three-dimensional (3D) stacks. We show that graphene can be transfe...

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Bibliographic Details
Published in:2d materials 2019-10, Vol.6 (4), p.45016
Main Authors: Kalashnyk, Nataliya, Gouesmel, Anaïs, Kim, Eunkyoung, Attias, André-Jean, Charra, Fabrice
Format: Article
Language:English
Subjects:
Chemical Sciences
graphene
host-guest chemistry
hybrid van der Waals heterostructures
Material chemistry
multilayered materials
scanning tunneling microscopy (STM)
surface-confined supramolecular self-assembly
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Summary:We demonstrate the soft realization of a new generation of functional hybrid van der Waals (vdW) heterostructures alternating two-dimensional (2D) materials and surface-confined supramolecular self-assemblies of porous crystals into three-dimensional (3D) stacks. We show that graphene can be transferred on top of a graphite-confined self-assembled 2D porous network, the cavities of which might be filled with functional guests. Subsequent growth of a new 2D host-guest self-assembled monolayer on top of this intermediate vdW heterostructure further extends it into the third dimension. Thus, this versatile approach, potentially not limited in the number of layers, allows creating on demand sequences by the careful choice of the 2D materials and of the presence or not and choice of guest molecules and permits to envisage innovative structures such as record-density bulk heterojunctions.
ISSN:2053-1583
2053-1583
DOI:10.1088/2053-1583/ab2ba7