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- Title
Molecular Stacking on Graphene.
- Authors
Wei, Tao; Liu, Xin; Kohring, Malte; Al‐Fogra, Sabrin; Moritz, Michael; Hemmeter, Daniel; Paap, Ulrike; Papp, Christian; Steinrück, Hans‐Peter; Bachmann, Julien; Weber, Heiko B.; Hauke, Frank; Hirsch, Andreas
- Abstract
The sequential vertical polyfunctionalization of 2D addend‐patterned graphene is still elusive. Here, we report a practical realization of this goal via a "molecular building blocks" approach, which is based on a combination of a lithography‐assisted reductive functionalization approach and a post‐functionalization step to sequentially and controllably link the molecular building blocks ethylpyridine, cis‐dichlorobis(2,2′‐bipyridyl)ruthenium, and triphenylphosphine (4‐methylbenzenethiol, respectively) on selected lattice regions of a graphene matrix. The assembled 2D hetero‐architectures are unambiguously characterized by various spectroscopic and microscopic measurements, revealing the stepwise stacking of the molecular building blocks on the graphene surface. Our method overcomes the current limitation of a one‐layer‐only binding to the graphene surface and opens the door for a vertical growth in the z‐direction.
- Subjects
GRAPHENE; RUTHENIUM; TRIPHENYLPHOSPHINE
- Publication
Angewandte Chemie, 2022, Vol 134, Issue 33, p1
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202201169