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Optoelectronic Current through Unbiased Monolayer Amorphous Carbon Nanojunctions
Antonio J Garzón-Ramírez1, Nicolas Gastellu1, Lena Simine1
1Department of Chemistry, McGill University, Montreal, Quebec H3A 0B8, Canada.
The Journal of Physical Chemistry Letters
|January 25, 2022
Summary
Monolayer amorphous carbon (MAC) exhibits charge-transfer properties, enabling directional electronic currents when exposed to laser pulses. This discovery suggests potential optoelectronic applications for this disordered 2D carbon material.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Monolayer amorphous carbon (MAC) is a novel disordered 2D carbon material.
- MAC nanofragments typically display poor electronic conductance due to lattice disorder.
Purpose of the Study:
- To investigate the electronic properties of MAC nanofragments.
- To explore the potential optoelectronic applications of MAC.
Main Methods:
- Computational analysis of electronic properties.
- Simulations of laser pulse interactions with MAC nanojunctions.
Main Results:
- MAC nanofragments exhibit robust charge-transfer character in electronic transitions.
- Laser pulses induce directional electronic currents in unbiased MAC nanojunctions.
- Electron transfer magnitude is dependent on laser pulse intensity.
Conclusions:
- The charge-transfer property of MAC is a key characteristic.
- MAC nanojunctions show promise for optoelectronic devices.
- Further research can explore optimizing laser pulse parameters for enhanced electron transfer.
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