Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides

Document Type

Conference Proceeding

Publication Date

1-1-2016

Abstract

Transition-metal dichalcogenides (TMDCs) have emerged as a new class of semiconductors that display distinctive properties at monolayer thickness. Their optical properties are of particular interest and importance for applications in optoelectronics as light emitters, detectors, and photovoltaic devices. We report the determination and analyses of the spectral properties of MoS2, MoSe2, WS2 and WSe2 at monolayer and bulk in the range of 1.5-3.0 eV by MATLAB simulations. Simulations of the optical properties of these materials on silicon, gold and fused silica substrates are also presented. The temperature dependence of the energy gap for monolayer TMDCs is discussed.

Identifier

85017097927 (Scopus)

ISBN

[9781510833142]

Publication Title

Materials Science and Technology Conference and Exhibition 2016 MS and T 2016

First Page

1153

Last Page

1164

Volume

2

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