Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 35, Pages 12972-12975Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja4065443
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Funding
- University of Alberta
- National Research Council
- Natural Science and Engineering Research Council of Canada
- Alberta Innovates Technology Futures
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Bilayer molecular junctions were fabricated by using the alkyne/azide click reaction on a carbon substrate, followed by deposition of a carbon top contact in a crossbar configuration. The click reaction on an alkyne layer formed by diazonium reduction permitted incorporation of a range of molecules into the resulting bilayer, including alkane, aromatic, and redox-active molecules, with high yield (>90%) and good reproducibility. Detailed characterization of the current-voltage behavior of bilayer molecular junctions indicated that charge transport is consistent with tunneling, but that the effective barrier does not strongly vary with molecular structure for the series of molecules studied.
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