Abstract:
:Despite significant advances in the fabrication and applications of graphene-like materials, it remains a challenge to prepare single-layered metallic materials, which have great potential applications in physics, chemistry and material science. Here we report the fabrication of poly(vinylpyrrolidone)-supported single-layered rhodium nanosheets using a facile solvothermal method. Atomic force microscope shows that the thickness of a rhodium nanosheet is <4 Å. Electron diffraction and X-ray absorption spectroscopy measurements suggest that the rhodium nanosheets are composed of planar single-atom-layered sheets of rhodium. Density functional theory studies reveal that the single-layered Rh nanosheet involves a δ-bonding framework, which stabilizes the single-layered structure together with the poly(vinylpyrrolidone) ligands. The poly(vinylpyrrolidone)-supported single-layered rhodium nanosheet represents a class of metallic two-dimensional structures that might inspire further fundamental advances in physics, chemistry and material science.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Duan H,Yan N,Yu R,Chang CR,Zhou G,Hu HS,Rong H,Niu Z,Mao J,Asakura H,Tanaka T,Dyson PJ,Li J,Li Ydoi
10.1038/ncomms4093subject
Has Abstractpub_date
2014-01-01 00:00:00pages
3093issn
2041-1723pii
ncomms4093journal_volume
5pub_type
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