Towards single electron transistor-based photon detection with microplasma-enabled graphene quantum dots
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Ohkatsu, Genki
Toyama, Ryo
Tue, Phan Trong
Ostrikov, Kostya Ken
Majima, Yutaka
Chiang, Wei-Hung
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Abstract
Single-electron transistors (SETs) represent a new generation of electronic devices with high charge sensitivity, high switching speed, and low power consumption. Here a simple and controlled fabrication of graphene quantum dot (GQD)-based SETs for photon detectors has been demonstrated. The plasma-synthesized GQDs exhibit stable photoluminescence and are successfully used as the Coulomb islands between heteroepitaxial spherical-gold/platinum (HS-Au/Pt) nanogap electrodes. The as-fabricated GQD-SETs enable photon detection with 410 nm excitation owing to the ability of GQDs to generate photoluminescence emission.
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Nanotechnology
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© 2021 Institute of Physics Publishing. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher.Please refer to the journal's website for access to the definitive, published version.
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Subject
Nanotechnology
Classical physics
Graphene Quantum Dots
Photon Detection
Plasmas
Synthesis
Transistor
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Yeh, P-C; Ohkatsu, G; Toyama, R; Tue, PT; Ostrikov, KK; Majima, Y; Chiang, W-H, Towards single electron transistor-based photon detection with microplasma-enabled graphene quantum dots., Nanotechnology, 2021