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Title: 2D carbon material/silicon heterojunctions for fast response self-powered photodetector
Authors: Scagliotti, M.
Salvato, M.
De Crescenzi, M.
Castrucci, P.
Kovalchuk, N. G.
Komissarov, I. V.
Prischepa, S. L.
Catone, D.
Mario, L. Di
Boscardin, M.
Crivellari, M.
Keywords: публикации ученых;graphene;carbon nanotube;heterojunction;photodetector;pulsed laser
Issue Date: 2019
Publisher: World Scientific Publishing Co Pte Ltd, Singapure
Citation: 2D carbon material/silicon heterojunctions for fast response self-powered photodetector / M. Scagliotti [and others] // International Journal of Nanoscience. – 2019. – Vol. 18, No. 3&4. – P. 1940088 (1-4). – DOI:
Abstract: Photodetectors (PDs) based on single-walled carbon nanotube film/silicon and graphene/ silicon heterojunctions have been realized for fast applications. We investigated the response of the PDs to femtosecond pulsed laser using a three-electrode configuration for photoconductive operations. Both junction PDs exhibit rise times of some nanoseconds, detecting light from ultraviolet (275 nm) to infrared (1150 nm). Applying a gate voltage VG, the rise time decreases down to about 1 ns, making our devices comparable to most commercial PDs
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