Parallel Fabrication of Self‐Assembled Nanogaps for Molecular Electronic Devices
Journal article, 2018

Single molecule electronics might be a way to add additional function to nanoscale devices and continue miniaturization beyond current state of the art. Here, a combined top‐down and bottom‐up strategy is employed to assemble single molecules onto prefabricated electrodes. Protodevices, which are self‐assembled nanogaps composed by two gold nanoparticles linked by a single or a few molecules, are guided onto top‐down prefabricated nanosized nickel electrodes with sandwiched palladium layers. It is shown that an optimized geometry of multilayered metallic (top‐down) electrodes facilitates the assembly of (bottom‐up) nanostructures by surface charge interactions. Moreover, such assembly process results in an electrode–nanoparticle interface free from linking molecules that enable electrical measurements to probe electron transport properties of the nanoparticle–molecule–nanoparticle protodevices.

Electrodes

Self assembly

nanofabrication

Gold nanoparticles

Electron transport properties

self-assembly

Nanoparticles

molecular electronics

Molecular electronic

Nanotechnology

Author

Johnas Eklöf

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Kasper Moth-Poulsen Group

Tina Gschneidtner

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Polymer Technology

Behabitu Ergette Tebikachew

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Polymer Technology

Samuel Lara-Avila

Chalmers, Microtechnology and Nanoscience (MC2)

National Physical Laboratory (NPL)

Kasper Moth-Poulsen

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Kasper Moth-Poulsen Group

Small

1613-6810 (ISSN) 1613-6829 (eISSN)

Vol. 14 50 1803471

Single Molecule Nano Electronics (SIMONE)

European Commission (FP7), 2014-02-01 -- 2019-01-31.

Areas of Advance

Nanoscience and Nanotechnology (2010-2017)

Materials Science

Subject Categories

Materials Chemistry

Nano Technology

DOI

10.1002/smll.201803471

PubMed

30358919

More information

Latest update

3/19/2019