Chemically induced transformation of chemical vapour deposition grown bilayer graphene into fluorinated single-layer diamond
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- Chemically induced transformation of chemical vapour deposition grown bilayer graphene into fluorinated single-layer diamond
- Bakharev, Pavel V.; Huang, Ming; Saxena, Manav; Lee, Suk Woo; Joo, Se Hun; Park, Sung O; Dong, Jichen; Camacho-Mojica, Dulce C,; Jin, Sunghwan; Kwon, Youngwoo; Biswal, Mandakini; Ding, Feng; Kwak, Sang Kyu; Lee, Zonghoon; Ruoff, Rodney S.
- Issue Date
- Nature Publishing Group
- NATURE NANOTECHNOLOGY, v.15, no.1, pp.59 - 66
- Notwithstanding the numerous density functional studies on the chemically induced transformation of multilayer graphene into a diamond-like film carried out to date, a comprehensive convincing experimental proof of such a conversion is still lacking. We show that the fluorination of graphene sheets in Bernal (AB)-stacked bilayer graphene grown by chemical vapour deposition on a single-crystal CuNi(111) surface triggers the formation of interlayer carbon–carbon bonds, resulting in a fluorinated diamond monolayer (‘F-diamane’). Induced by fluorine chemisorption, the phase transition from (AB)-stacked bilayer graphene to single-layer diamond was studied and verified by X-ray photoelectron, UV photoelectron, Raman, UV-Vis and electron energy loss spectroscopies, transmission electron microscopy and density functional theory calculations.
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