Preprint Review Version 1 This version is not peer-reviewed

Silicon Meet Graphene for a New Family of Near-Infrared Schottky Photodetectors

Version 1 : Received: 28 June 2019 / Approved: 29 June 2019 / Online: 29 June 2019 (10:41:17 CEST)

How to cite: Casalino, M. Silicon Meet Graphene for a New Family of Near-Infrared Schottky Photodetectors. Preprints 2019, 2019060306 (doi: 10.20944/preprints201906.0306.v1). Casalino, M. Silicon Meet Graphene for a New Family of Near-Infrared Schottky Photodetectors. Preprints 2019, 2019060306 (doi: 10.20944/preprints201906.0306.v1).

Abstract

In recent years graphene has attracted much interest due to its unique properties of flexibility, strong light-matter interaction, high carrier mobility and broadband absorption. In addition, graphene can be deposited on many substrates including silicon with which is able to form Schottky junctions opening the path to the realization of near-infrared silicon photodetectors based on the internal photoemission effect where graphene play the role of the metal. In this work, we review the very recent progress of the near-infrared photodetectors based on Schottky junctions involving graphene. This new family of device promises to overcome the limitations of the Schottky photodetectors based on metals showing the potentialities to compare favorably with germanium photodetectors currently employed in silicon photonics.

Subject Areas

silicon; graphene; internal photoemission; field-effect transistor; photodetector; near-infrared; waveguide

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