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APPLIED PHYSICS LETTERS
Volume 123, Issue 13, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0161775
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In this paper, a device that can produce electrically driven light emission from a single quantum dot using a single carbon nanotube as the charge injection contact is presented. The device operates based on an unconventional mechanism of electroluminescence and has a metal-oxide-semiconductor capacitor structure. It can be fabricated using conventional lithographic processes, offering a scalable approach towards the development of optoelectronic devices at the single dot level.
Robust, nanoscale light-emitting devices are attractive for emerging photonic and quantum engineering applications. However, conventional approaches suffer from fabrication challenges or lack the potential to address individual nanostructures, such as quantum dots. In this paper, we present a device that can produce electrically driven light emission from a single quantum dot using a single carbon nanotube as the charge injection contact. The device has a metal-oxide-semiconductor capacitor structure and operates based on an unconventional mechanism of electroluminescence, which relies on the use of bipolar voltage pulses. The proposed device can be fabricated in a simple manner using conventional lithographic processes, offering a scalable approach toward the development of optoelectronic devices at the single dot level.
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