banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Highly-sensitive chemical detection in the infrared regime using plasmonic gold nanocrosses
Rent this article for
View: Figures


Image of FIG. 1.
FIG. 1.

Geometric depiction of four unit cells of the gold nanocross square array on a silica substrate.

Image of FIG. 2.
FIG. 2.

Top (a) and side (b) views of the simulated electric field magnitude (color) and electric current density inside the metal (arrows) for the designed nanocrosses at their resonance frequency, excited with normal incident light whose electric field is polarized along the -direction. Both views use a logarithmic scale in the field magnitude.

Image of FIG. 3.
FIG. 3.

Top: numerical simulations of the transmittivity spectra of the gold nanocrosses array for different surrounding medium indices varying from to . Middle: associated sensitivity of the resonance frequency to index changes. Bottom: associated FOM.

Image of FIG. 4.
FIG. 4.

SEM image of the fabricated sample.

Image of FIG. 5.
FIG. 5.

Simulated transmission spectra (black line) and measured IR transmission spectra (gray line).

Image of FIG. 6.
FIG. 6.

Measured IR transmission spectra before (black) and after functionalization of the gold surface (darker gray) and after sensing of ethylenediamine (lighter gray).


Article metrics loading...


Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Highly-sensitive chemical detection in the infrared regime using plasmonic gold nanocrosses