Coulomb engineering of the bandgap and excitons in two-dimensional materials

Electronic bandgap tuning in semiconductors enables key functionalities in solid-state devices. Here, the authors present a strategy to control the bandgap of atomically thin WS2 and WSe2semiconductors via manipulation of the surrounding dielectric environment rather than by modifications of the mat...

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Main Authors:	Archana Raja, Andrey Chaves, Jaeeun Yu, Ghidewon Arefe, Heather M. Hill, Albert F. Rigosi, Timothy C. Berkelbach, Philipp Nagler, Christian Schüller, Tobias Korn, Colin Nuckolls, James Hone, Louis E. Brus, Tony F. Heinz, David R. Reichman, Alexey Chernikov
Format:	Article
Language:	English
Published:	Nature Publishing Group 2017-05-01
Series:	Nature Communications
Online Access:	https://doi.org/10.1038/ncomms15251

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spelling	doaj-a5b39dc701f44ba1966f1cdb0631887c2021-05-11T07:46:26ZengNature Publishing GroupNature Communications2041-17232017-05-01811710.1038/ncomms15251Coulomb engineering of the bandgap and excitons in two-dimensional materialsArchana Raja0Andrey Chaves1Jaeeun Yu2Ghidewon Arefe3Heather M. Hill4Albert F. Rigosi5Timothy C. Berkelbach6Philipp Nagler7Christian Schüller8Tobias Korn9Colin Nuckolls10James Hone11Louis E. Brus12Tony F. Heinz13David R. Reichman14Alexey Chernikov15Departments of Physics and Electrical Engineering, Columbia UniversityDepartment of Chemistry, Columbia UniversityDepartment of Chemistry, Columbia UniversityDepartment of Mechanical Engineering, Columbia UniversityDepartments of Physics and Electrical Engineering, Columbia UniversityDepartments of Physics and Electrical Engineering, Columbia UniversityDepartment of Chemistry and James Franck Institute, University of ChicagoDepartment of Physics, University of RegensburgDepartment of Physics, University of RegensburgDepartment of Physics, University of RegensburgDepartment of Chemistry, Columbia UniversityDepartment of Mechanical Engineering, Columbia UniversityDepartment of Chemistry, Columbia UniversityDepartments of Physics and Electrical Engineering, Columbia UniversityDepartment of Chemistry, Columbia UniversityDepartments of Physics and Electrical Engineering, Columbia UniversityElectronic bandgap tuning in semiconductors enables key functionalities in solid-state devices. Here, the authors present a strategy to control the bandgap of atomically thin WS2 and WSe2semiconductors via manipulation of the surrounding dielectric environment rather than by modifications of the materials themselves.https://doi.org/10.1038/ncomms15251
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Archana Raja Andrey Chaves Jaeeun Yu Ghidewon Arefe Heather M. Hill Albert F. Rigosi Timothy C. Berkelbach Philipp Nagler Christian Schüller Tobias Korn Colin Nuckolls James Hone Louis E. Brus Tony F. Heinz David R. Reichman Alexey Chernikov
spellingShingle	Archana Raja Andrey Chaves Jaeeun Yu Ghidewon Arefe Heather M. Hill Albert F. Rigosi Timothy C. Berkelbach Philipp Nagler Christian Schüller Tobias Korn Colin Nuckolls James Hone Louis E. Brus Tony F. Heinz David R. Reichman Alexey Chernikov Coulomb engineering of the bandgap and excitons in two-dimensional materials Nature Communications
author_facet	Archana Raja Andrey Chaves Jaeeun Yu Ghidewon Arefe Heather M. Hill Albert F. Rigosi Timothy C. Berkelbach Philipp Nagler Christian Schüller Tobias Korn Colin Nuckolls James Hone Louis E. Brus Tony F. Heinz David R. Reichman Alexey Chernikov
author_sort	Archana Raja
title	Coulomb engineering of the bandgap and excitons in two-dimensional materials
title_short	Coulomb engineering of the bandgap and excitons in two-dimensional materials
title_full	Coulomb engineering of the bandgap and excitons in two-dimensional materials
title_fullStr	Coulomb engineering of the bandgap and excitons in two-dimensional materials
title_full_unstemmed	Coulomb engineering of the bandgap and excitons in two-dimensional materials
title_sort	coulomb engineering of the bandgap and excitons in two-dimensional materials
publisher	Nature Publishing Group
series	Nature Communications
issn	2041-1723
publishDate	2017-05-01
description	Electronic bandgap tuning in semiconductors enables key functionalities in solid-state devices. Here, the authors present a strategy to control the bandgap of atomically thin WS2 and WSe2semiconductors via manipulation of the surrounding dielectric environment rather than by modifications of the materials themselves.
url	https://doi.org/10.1038/ncomms15251
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Coulomb engineering of the bandgap and excitons in two-dimensional materials

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