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

Sushant S. Rassay; Weitao Tang; Nuggehalli M. Ravindra

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

Sushant S. Rassay, Weitao Tang, Nuggehalli M. Ravindra

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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.

Original language	English (US)
Title of host publication	Materials Science and Technology Conference and Exhibition 2016, MS and T 2016
Publisher	Association for Iron and Steel Technology, AISTECH
Pages	1153-1164
Number of pages	12
ISBN (Electronic)	9781510833142
State	Published - 2016
Event	Materials Science and Technology Conference and Exhibition 2016, MS and T 2016 - Salt Lake City, United States Duration: Oct 23 2016 → Oct 27 2016

Publication series

Name	Materials Science and Technology Conference and Exhibition 2016, MS and T 2016
Volume	2

Other

Other	Materials Science and Technology Conference and Exhibition 2016, MS and T 2016
Country/Territory	United States
City	Salt Lake City
Period	10/23/16 → 10/27/16

All Science Journal Classification (ASJC) codes

Materials Science (miscellaneous)
Mechanics of Materials
Energy Engineering and Power Technology

Keywords

Band gap
Molybdenum disulfide
Monolayer
Optical properties
Transition-metal dichalcogenides (TMDCs)
Tungsten diselenide

Cite this

Rassay, S. S., Tang, W., & Ravindra, N. M. (2016). Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides. In Materials Science and Technology Conference and Exhibition 2016, MS and T 2016 (pp. 1153-1164). (Materials Science and Technology Conference and Exhibition 2016, MS and T 2016; Vol. 2). Association for Iron and Steel Technology, AISTECH.

Rassay, Sushant S. ; Tang, Weitao ; Ravindra, Nuggehalli M. / Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides. Materials Science and Technology Conference and Exhibition 2016, MS and T 2016. Association for Iron and Steel Technology, AISTECH, 2016. pp. 1153-1164 (Materials Science and Technology Conference and Exhibition 2016, MS and T 2016).

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title = "Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides",

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.",

keywords = "Band gap, Molybdenum disulfide, Monolayer, Optical properties, Transition-metal dichalcogenides (TMDCs), Tungsten diselenide",

author = "Rassay, {Sushant S.} and Weitao Tang and Ravindra, {Nuggehalli M.}",

note = "Publisher Copyright: {\textcopyright} 2016 MS and T16{\textregistered}.; Materials Science and Technology Conference and Exhibition 2016, MS and T 2016 ; Conference date: 23-10-2016 Through 27-10-2016",

year = "2016",

language = "English (US)",

series = "Materials Science and Technology Conference and Exhibition 2016, MS and T 2016",

publisher = "Association for Iron and Steel Technology, AISTECH",

pages = "1153--1164",

booktitle = "Materials Science and Technology Conference and Exhibition 2016, MS and T 2016",

address = "United States",

}

Rassay, SS, Tang, W & Ravindra, NM 2016, Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides. in Materials Science and Technology Conference and Exhibition 2016, MS and T 2016. Materials Science and Technology Conference and Exhibition 2016, MS and T 2016, vol. 2, Association for Iron and Steel Technology, AISTECH, pp. 1153-1164, Materials Science and Technology Conference and Exhibition 2016, MS and T 2016, Salt Lake City, United States, 10/23/16.

Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides. / Rassay, Sushant S.; Tang, Weitao; Ravindra, Nuggehalli M.
Materials Science and Technology Conference and Exhibition 2016, MS and T 2016. Association for Iron and Steel Technology, AISTECH, 2016. p. 1153-1164 (Materials Science and Technology Conference and Exhibition 2016, MS and T 2016; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Optical properties and temperature dependence of energy gap of transition-metal dichalcogenides

AU - Rassay, Sushant S.

AU - Tang, Weitao

AU - Ravindra, Nuggehalli M.

PY - 2016

Y1 - 2016

N2 - 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.

AB - 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.

KW - Band gap

KW - Molybdenum disulfide

KW - Monolayer

KW - Optical properties

KW - Transition-metal dichalcogenides (TMDCs)

KW - Tungsten diselenide

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M3 - Conference contribution

AN - SCOPUS:85017097927

T3 - Materials Science and Technology Conference and Exhibition 2016, MS and T 2016

SP - 1153

EP - 1164

BT - Materials Science and Technology Conference and Exhibition 2016, MS and T 2016

PB - Association for Iron and Steel Technology, AISTECH

T2 - Materials Science and Technology Conference and Exhibition 2016, MS and T 2016

Y2 - 23 October 2016 through 27 October 2016

ER -

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

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All Science Journal Classification (ASJC) codes

Keywords

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