Journal
ACS NANO
Volume 6, Issue 5, Pages 3861-3867Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn204986y
Keywords
gold nanorods; nanoparticles; nanogaps; self-assembly; single-molecule electronics; nanoelectrodes; junctions
Categories
Funding
- European Community [213609]
- Danish-Chinese Center for Molecular Nanoelectronics
- Danish National Research Foundation
- Chalmers Materials and Nano Areas of advance
- Swedish Research Council
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We demonstrate alignment and positional control of gold nanorods grown in situ on substrates using a seed-mediated synthetic approach. Alignment control is obtained by directing the growth of spherical nanoparticle seeds into nanorods in well-defined poly(methyl methacrylate) nanochannels. Substrates with prepatterned metallic electrodes provide an additional handle for the position of the gold nanorods and yield nanometer-sized gaps between the electrode and nanorod. The presented approach is a novel demonstration of bottom-up device fabrication of multiple nanogap junctions on a single chip mediated via in situ growth of gold nanorods acting as nanoelectrodes.
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