Journal article
Directed self-assembled crystalline oligomer domains on graphene and graphite: Paper
University of Southern Denmark1
Department of Micro- and Nanotechnology, Technical University of Denmark2
Silicon Microtechnology, Department of Micro- and Nanotechnology, Technical University of Denmark3
Nanointegration, Department of Micro- and Nanotechnology, Technical University of Denmark4
University of Oldenburg5
Center for Nanostructured Graphene, Centers, Technical University of Denmark6
We observe the formation of thin films of fibre-like aggregates from the prototypical organic semiconductor molecule para-hexaphenylene (p-6P) on graphite thin flakes and on monolayer graphene. Using atomic force microscopy, scanning electron microscopy, x-ray diffraction, polarized fluorescence microscopy, and bireflectance microscopy, the molecular orientations on the surface are deduced and correlated to both the morphology as well as to the high-symmetry directions of the graphitic surface: the molecules align with their long axis at ±11° with respect to a high-symmetry direction.
The results show that the graphene surface can be used as a growth substrate to direct the self-assembly of organic molecular thin films and nanofibres, both with and without lithographical processing.
Language: | English |
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Year: | 2014 |
Pages: | 035602 |
ISSN: | 13616528 and 09574484 |
Types: | Journal article |
DOI: | 10.1088/0957-4484/25/3/035602 |
ORCIDs: | Booth, Tim and Bøggild, Peter |