The ultrafast onset of exciton formation in 2D semiconductors

The formation dynamics of excitons in 2D transition metal dichalcogenides are challenging to probe directly because of their inherently fast timescales. Here, the authors use extremely short optical pulses to excite an electron-hole plasma, and show the formation of 2D excitons in MoS2 on the timesc...

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Main Authors:	Chiara Trovatello, Florian Katsch, Nicholas J. Borys, Malte Selig, Kaiyuan Yao, Rocio Borrego-Varillas, Francesco Scotognella, Ilka Kriegel, Aiming Yan, Alex Zettl, P. James Schuck, Andreas Knorr, Giulio Cerullo, Stefano Dal Conte
Format:	Article
Language:	English
Published:	Nature Publishing Group 2020-10-01
Series:	Nature Communications
Online Access:	https://doi.org/10.1038/s41467-020-18835-5

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spelling	doaj-d722f91ef5a1425db9505c5f9ee32c0f2021-05-11T08:30:35ZengNature Publishing GroupNature Communications2041-17232020-10-011111810.1038/s41467-020-18835-5The ultrafast onset of exciton formation in 2D semiconductorsChiara Trovatello0Florian Katsch1Nicholas J. Borys2Malte Selig3Kaiyuan Yao4Rocio Borrego-Varillas5Francesco Scotognella6Ilka Kriegel7Aiming Yan8Alex Zettl9P. James Schuck10Andreas Knorr11Giulio Cerullo12Stefano Dal Conte13Dipartimento di Fisica, Politecnico di MilanoInstitut für Theoretische Physik, Technische Universität BerlinMolecular Foundry, Lawrence Berkeley National LaboratoryInstitut für Theoretische Physik, Technische Universität BerlinMolecular Foundry, Lawrence Berkeley National LaboratoryDipartimento di Fisica, Politecnico di MilanoDipartimento di Fisica, Politecnico di MilanoMolecular Foundry, Lawrence Berkeley National LaboratoryDepartment of Physics, University of California at BerkeleyDepartment of Physics, University of California at BerkeleyMolecular Foundry, Lawrence Berkeley National LaboratoryInstitut für Theoretische Physik, Technische Universität BerlinDipartimento di Fisica, Politecnico di MilanoDipartimento di Fisica, Politecnico di MilanoThe formation dynamics of excitons in 2D transition metal dichalcogenides are challenging to probe directly because of their inherently fast timescales. Here, the authors use extremely short optical pulses to excite an electron-hole plasma, and show the formation of 2D excitons in MoS2 on the timescale of 30 fs.https://doi.org/10.1038/s41467-020-18835-5
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Chiara Trovatello Florian Katsch Nicholas J. Borys Malte Selig Kaiyuan Yao Rocio Borrego-Varillas Francesco Scotognella Ilka Kriegel Aiming Yan Alex Zettl P. James Schuck Andreas Knorr Giulio Cerullo Stefano Dal Conte
spellingShingle	Chiara Trovatello Florian Katsch Nicholas J. Borys Malte Selig Kaiyuan Yao Rocio Borrego-Varillas Francesco Scotognella Ilka Kriegel Aiming Yan Alex Zettl P. James Schuck Andreas Knorr Giulio Cerullo Stefano Dal Conte The ultrafast onset of exciton formation in 2D semiconductors Nature Communications
author_facet	Chiara Trovatello Florian Katsch Nicholas J. Borys Malte Selig Kaiyuan Yao Rocio Borrego-Varillas Francesco Scotognella Ilka Kriegel Aiming Yan Alex Zettl P. James Schuck Andreas Knorr Giulio Cerullo Stefano Dal Conte
author_sort	Chiara Trovatello
title	The ultrafast onset of exciton formation in 2D semiconductors
title_short	The ultrafast onset of exciton formation in 2D semiconductors
title_full	The ultrafast onset of exciton formation in 2D semiconductors
title_fullStr	The ultrafast onset of exciton formation in 2D semiconductors
title_full_unstemmed	The ultrafast onset of exciton formation in 2D semiconductors
title_sort	ultrafast onset of exciton formation in 2d semiconductors
publisher	Nature Publishing Group
series	Nature Communications
issn	2041-1723
publishDate	2020-10-01
description	The formation dynamics of excitons in 2D transition metal dichalcogenides are challenging to probe directly because of their inherently fast timescales. Here, the authors use extremely short optical pulses to excite an electron-hole plasma, and show the formation of 2D excitons in MoS2 on the timescale of 30 fs.
url	https://doi.org/10.1038/s41467-020-18835-5
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The ultrafast onset of exciton formation in 2D semiconductors

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