Abstract:
:Full-carbon electronics at the scale of several angstroms is an expeimental challenge, which could be overcome by exploiting the versatility of carbon allotropes. Here, we investigate charge transport through graphene/single-fullerene/graphene hybrid junctions using a single-molecule manipulation technique. Such sub-nanoscale electronic junctions can be tuned by band gap engineering as exemplified by various pristine fullerenes such as C60, C70, C76 and C90. In addition, we demonstrate further control of charge transport by breaking the conjugation of their π systems which lowers their conductance, and via heteroatom doping of fullerene, which introduces transport resonances and increase their conductance. Supported by our combined density functional theory (DFT) calculations, a promising future of tunable full-carbon electronics based on numerous sub-nanoscale fullerenes in the large family of carbon allotropes is anticipated.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Tan Z,Zhang D,Tian HR,Wu Q,Hou S,Pi J,Sadeghi H,Tang Z,Yang Y,Liu J,Tan YZ,Chen ZB,Shi J,Xiao Z,Lambert C,Xie SY,Hong Wdoi
10.1038/s41467-019-09793-8subject
Has Abstractpub_date
2019-04-15 00:00:00pages
1748issue
1issn
2041-1723pii
10.1038/s41467-019-09793-8journal_volume
10pub_type
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