Layer Degree of Freedom for Ultrafast Exciton Dynamics in Transition Metal Dichalcogenides

Santu Bera; Megha Shrivastava; Hanyu Zhang; Elisa Miller; Matthew Beard; K. Adarsh

Layer Degree of Freedom for Ultrafast Exciton Dynamics in Transition Metal Dichalcogenides

Santu Bera
, Megha Shrivastava
, Hanyu Zhang
, Elisa Miller
, Matthew Beard
, K. Adarsh

Chemistry and Nanoscience

Indian Institute of Science Education & Research, Bhopal
National Renewable Energy Laboratory

Research output: Contribution to conference › Paper › peer-review

Abstract

We demonstrate layer-engineered crossover of relaxation pathways from fast exciton-exciton annihilation in monolayer to slow phonon bottleneck in few-layer MoS2. Our study reveals new, layer degree of freedom to tune ultrafast dynamics in optoelectronic applications.

Original language	American English
Number of pages	2
State	Published - May 2021
Event	2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Virtual, Online, United States Duration: 9 May 2021 → 14 May 2021

Conference

Conference	2021 Conference on Lasers and Electro-Optics, CLEO 2021
Country/Territory	United States
City	Virtual, Online
Period	9/05/21 → 14/05/21

Bibliographical note

Publisher Copyright:
© 2021 OSA.

NLR Publication Number

NREL/CP-5900-81651

Keywords

excitons
laser excitation
laser tuning
lasers and electrooptics
metals
phonons
sulfur

Access to Document

https://ieeexplore.ieee.org/document/9571911/

Cite this

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title = "Layer Degree of Freedom for Ultrafast Exciton Dynamics in Transition Metal Dichalcogenides",

abstract = "We demonstrate layer-engineered crossover of relaxation pathways from fast exciton-exciton annihilation in monolayer to slow phonon bottleneck in few-layer MoS2. Our study reveals new, layer degree of freedom to tune ultrafast dynamics in optoelectronic applications.",

keywords = "excitons, laser excitation, laser tuning, lasers and electrooptics, metals, phonons, sulfur",

author = "Santu Bera and Megha Shrivastava and Hanyu Zhang and Elisa Miller and Matthew Beard and K. Adarsh",

note = "Publisher Copyright: {\textcopyright} 2021 OSA.; 2021 Conference on Lasers and Electro-Optics, CLEO 2021 ; Conference date: 09-05-2021 Through 14-05-2021",

year = "2021",

month = may,

language = "American English",

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TY - CONF

T1 - Layer Degree of Freedom for Ultrafast Exciton Dynamics in Transition Metal Dichalcogenides

AU - Bera, Santu

AU - Shrivastava, Megha

AU - Zhang, Hanyu

AU - Miller, Elisa

AU - Beard, Matthew

AU - Adarsh, K.

PY - 2021/5

Y1 - 2021/5

N2 - We demonstrate layer-engineered crossover of relaxation pathways from fast exciton-exciton annihilation in monolayer to slow phonon bottleneck in few-layer MoS2. Our study reveals new, layer degree of freedom to tune ultrafast dynamics in optoelectronic applications.

AB - We demonstrate layer-engineered crossover of relaxation pathways from fast exciton-exciton annihilation in monolayer to slow phonon bottleneck in few-layer MoS2. Our study reveals new, layer degree of freedom to tune ultrafast dynamics in optoelectronic applications.

KW - excitons

KW - laser excitation

KW - laser tuning

KW - lasers and electrooptics

KW - metals

KW - phonons

KW - sulfur

UR - https://www.scopus.com/pages/publications/85120474780

M3 - Paper

AN - SCOPUS:85120474780

T2 - 2021 Conference on Lasers and Electro-Optics, CLEO 2021

Y2 - 9 May 2021 through 14 May 2021

ER -

Layer Degree of Freedom for Ultrafast Exciton Dynamics in Transition Metal Dichalcogenides

Abstract

Conference

Bibliographical note

NLR Publication Number

Keywords

Access to Document

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Cite this