Molecular spacers in nanocube patch antennas: a platform for embedded molecular electronics

Clément A. Reynaud; David Duché; Vikas Jangid; Chrystelle Lebouin; Damien Brunel; Frédéric Dumur; Didier Gigmes; Florent Pourcin; Olivier Margeat; Jörg Ackermann; Gérard Berginc; Jean-Jacques Simon; Ludovic Escoubas

doi:10.1117/12.2508424

4 March 2019 Molecular spacers in nanocube patch antennas: a platform for embedded molecular electronics

Clément A. Reynaud, David Duché, Vikas Jangid, Chrystelle Lebouin, Damien Brunel, Frédéric Dumur, Didier Gigmes, Florent Pourcin, Olivier Margeat, Jörg Ackermann, Gérard Berginc, Jean-Jacques Simon, Ludovic Escoubas

Author Affiliations +

Proceedings Volume 10927, Photonic and Phononic Properties of Engineered Nanostructures IX; 109271N (2019) https://doi.org/10.1117/12.2508424
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Nanocubes-based patch antennas have been proven to be an interesting alternative to build nanocavities on larger areas and at lower cost than with classical clean room techniques. These nanocavities can support gap plasmons that make such devices suitable for light absorbing applications, both narrow or broadband depending on the size dispersion of the colloidal nanocubes that are used. Recently, a fabrication approach has been proposed that relies on an alkyldithiol self-assembled monolayer as a cavity spacer instead of the dielectric coating that is usually being used. Through this process it has been demonstrated both an enhanced reproducibility of the cavity resonance and a thinning of the cavity below the usual 3 nm limit. These caracteristics make such structures good candidates for nonlocality study because of the high electric field confinement that arises in very narrow gaps. This self assembled monolayer spacer is also an opportunity for incorporating electronic properties within the nanogap. In this perspective, the present work proposes both a synthesis and a two steps self-assembly of a clicked molecular rectifier monolayer to be embedded into nanopatch cavities. This way, this monolayer will act both as a mechanical spacer and a molecular diode, thus combining photonic and electronic properties.

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Clément A. Reynaud, David Duché, Vikas Jangid, Chrystelle Lebouin, Damien Brunel, Frédéric Dumur, Didier Gigmes, Florent Pourcin, Olivier Margeat, Jörg Ackermann, Gérard Berginc, Jean-Jacques Simon, and Ludovic Escoubas "Molecular spacers in nanocube patch antennas: a platform for embedded molecular electronics", Proc. SPIE 10927, Photonic and Phononic Properties of Engineered Nanostructures IX, 109271N (4 March 2019); https://doi.org/10.1117/12.2508424

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