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Title: Effective photoconductivity of exfoliated black phosphorus for optoelectronic switching under 1.55 μm optical excitation
Authors: Penillard, A.
Tripon-Canseliet, C.
Rosticher, M.
Maksimovic, I.
Liu, Zheng
Géron, E.
Keywords: Microwaves
Issue Date: 2016
Source: Penillard, A., Tripon-Canseliet, C., Rosticher, M., Maksimovic, I., Liu, Z., & Géron, E. (2016). Effective photoconductivity of exfoliated black phosphorus for optoelectronic switching under 1.55 μm optical excitation. Journal of Applied Physics, 119(2), 024506-.
Series/Report no.: Journal of Applied Physics
Abstract: We present a microwave photoconductive switch based on exfoliated black phosphorus and strongly responding to a 1.55 μm optical excitation. According to its number of atomic layers, exfoliated black phosphorus presents unique properties for optoelectronic applications, like a tunable direct bandgap from 0.3 eV to 2 eV, strong mobilities, and strong conductivities. The switch shows a maximum ON/OFF ratio of 17 dB at 1 GHz, and 2.2 dB at 20 GHz under 1.55-μm laser excitation at 50 mW, never achieved with bidimensional materials.
ISSN: 0021-8979
DOI: 10.1063/1.4939615
Schools: School of Materials Science & Engineering 
Rights: © 2016 AIP Publishing LLC. This paper was published in Journal of Applied Physics and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC.. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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