publication . Article . 2018

Investigation of the Effect of Substrate Thickness on Absorption of TMDC Monolayers in the Visible Wavelength

E. Mohebbi; N. Ansari; F. Ghorbani;
Open Access Persian
  • Published: 06 Nov 2018
  • Publisher: HAL CCSD
  • Country: France
International audience; Two-dimensionam transition-metal dichalcogenides (TMDC) layers with direct bandgaps have made a new horizon for pplication in photonics and electroptics. The presence of bandgap causes a significant absorption useful in photovoltaic devices. When these layers are located on a substrate that leads to a frequent optical reflection thus affect the absorption.Typically, SiO2 or Si or their combination as a substrate is used for these monolayers. In this paper, we used a transfer matrix method to study the absorption spectra of TMDC monolayers including MoSe2, WSe2, MoS2 and WS2 with the presence of SiO2/ Si substrate with different thicknesse...
free text keywords: Absorption, Substrate, Transfer Matrix Method, Lorentz Permittivity, Two Dimensional TMDC, [PHYS.PHYS]Physics [physics]/Physics [physics], [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics], Two Dimensional TMDC, Absorption, Substrate, Transfer Matrix Method, Lorentz Permittivity, Molybdenum disulfide, Photonic crystal
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