Nanomaterials

MOSIX-6 AP

Below a few pictures of MOSIX-6 AP.
Click on the thumbnail for a larger image.


SEM picture of MOSIX-6 as grown.
Average diameter of tubes 200 nm

Container with 20 gr of MOSIX-6

Hand of the master with "Molly Paper"
Contains the residu of dispersed & filtered MOSIX-6

MoSIx-6 Template Grown SEM image
SEM of MOSIX nanowires grown on a Mo metal sheet. The nanowires grow
naturally in bundles, perpendicular to the Mo surface, with
pseudo-random, but even spacing, covering the entire metal pad.

MoSIx-6 Template Grown Field Emission image
Efficient field emission is observed from a MOSIX nanowire tip grown
directly onto a Mo template. The cathode contact is made to the bottom
of the Mo sheet. No attempts were made to improve the contact etc, yet
the emission characteristics are similar to FE tips made with silver
paste. The light emission is observed on a phosphor screen.

Image showing a twisted MOSIX wire bundle, approx. 4nm in diameter. Image taken by Valeria Nicolosi, Trinity College, Dublin

This image shows controlled length growth of MOSIX-6 nanowires from a substrate. These nanowires are all of the same length (500 microns ±10%). The width of the bundles is relatively uniform 200 nanometers.

AFM image of single MOSIX nanowire attached to 5 nm diamater gold particle. The attachment is easily reproducible following straightforward protocols in a single-step pocess. The attachment of gold particles directly in a single step is a great advantage over CNTs, where anhydrous functionalisation is required. The MOSIX-Au particle functionalisation proceeds in an aqueous environment, facilitating attachment of biological entities, such as enzymes, DNA segments and proteins without damage.

Image of two MOSIX nanowires attached to a single gold particle. The device demonstrates the feasibility of self-assembly of multiple-terminal devices in solution.