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the blog

Molecular Electronics

24/6/2017

2 Comments

 
So, just What is Molecular Electronics? And how can it be used to create something interesting?

​The field of molecular electronics got going when the idea of using a molecule as a circuit component was proposed theoretically in 1974. Since then, there have been many experiments aimed as using molecules in circuits. Many of these use layers of molecules (not just a single molecule), and due to the way devices are constructed (see Figure 1 below), the critical dimension of the device resides in the same range as many small molecules (2-50 nm).

Figure 1 shows a molecular junction:
Picture
​Figure 1 shows to conductive layers with a molecular layer between them. In this case, a layer of ~2 nm is shown (2 molecules thick).

So, the main component, the Molecular Junction, is really a nano molecular sandwich, with conductors as the bread.

In order for electrons to complete the electronic circuit between the two conductors, they must flow across or through the molecular layer, meaning that a molecular junction incorporates molecules directly into the circuitry.

What does a molecular junction look like? Figure 2 shows a SIM card containing two molecular junctions in an adapter designed to enable electrical contact to the devices.

Figure 2: Photograph of a molecular junction:
Picture
The molecular junctions shown above can be integrated into analog circuitry easily by putting a SIM card holder onto a PCB board with the rest of the circuit.
2 Comments
Richard Graham
11/7/2017 06:59:44 am

Thank you for your support of basic scientific research.
Please keep making supportive statements every opportunity.
The possibilities for other electrical circuits and music applications are exciting. The old arguements between analog and digital sound may finally be settled with the addition of your molecular circuitry into the final DAC circuits. If only engineering didn't always involve some kind of compromise.

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Shawn
20/2/2018 04:47:39 pm

Just heard about you guys (& maybe ladies, not sure) on 60 Cycle Hum... It is refreshing and simply awesome that you have proven we are nowhere close to the limits we currently see in the effects industry, or even the electronics industry. Just wanted to drop a note and say job well done. If you are not proud, please be immediately... This is utter genius...

(& it sounds pretty amazing as wel)...

Thank you for being the innovators that this world needs...

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