enhanced visibility of mos2, mose2, wse2 and black-phosphorus: making optical identification of 2d semiconductors easier

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ID: 245966
2015
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Abstract
We explore the use of Si3N4/Si substrates as a substitute of the standard SiO2/Si substrates employed nowadays to fabricate nanodevices based on 2D materials. We systematically study the visibility of several 2D semiconducting materials that are attracting a great deal of interest in nanoelectronics and optoelectronics: MoS2, MoSe2, WSe2 and black-phosphorus. We find that the use of Si3N4/Si substrates provides an increase of the optical contrast up to a 50%–100% and also the maximum contrast shifts towards wavelength values optimal for human eye detection, making optical identification of 2D semiconductors easier.
Reference Key
rubio-bollinger2015electronicsenhanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Gabino Rubio-Bollinger;Ruben Guerrero;David Perez de Lara;Jorge Quereda;Luis Vaquero-Garzon;Nicolas Agraït;Rudolf Bratschitsch;Andres Castellanos-Gomez
Journal biology bulletin of the academy of sciences of the ussr
Year 2015
DOI
10.3390/electronics4040847
URL
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