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Journal articles
Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites
Jean-Christophe Blancon
1
Hsinhan Tsai
2, 1, 3
Wanyi Nie
1
Constantinos Stoumpos
2
Laurent Pedesseau
4
Claudine Katan
5
Mikaël Kepenekian
5
Chan Myae Myae Soe
3
Kannatassen Appavoo
6
Matthew Sfeir
6
Sergei Tretiak
1
Pulickel Ajayan
3
Mercouri Kanatzidis
2
Jacky Even
4
Jared Crochet
1, *
Aditya Mohite
1, *
*
Corresponding author
Jean-Christophe Blancon 1
Author
Hsinhan Tsai 2, 1, 3
Author
Wanyi Nie 1
Author
Constantinos C Stoumpos 2
Author
Laurent Pedesseau 4
Author IdHAL : laurent-pedesseau ORCID : https://orcid.org/0000-0001-9414-8644
Claudine Katan 5
Author IdHAL : katan ResearcherId : http://www.researcherid.com/rid/I-9446-2012 ORCID : https://orcid.org/0000-0002-2017-5823
Mikaël Kepenekian 5
Author IdHAL : mikael-kepenekian ORCID : https://orcid.org/0000-0001-5192-5896
Chan Myae Myae Soe 3
Author
Kannatassen Appavoo 6
Author
Matthew Y Sfeir 6
Author
Sergei Tretiak 1
Author
Pulickel M Ajayan 3
Author
Mercouri G Kanatzidis 2
Author
Jacky Even 4
Author IdHAL : jacky-even ResearcherId : http://www.researcherid.com/rid/ C-6212-2008 ORCID : https://orcid.org/0000-0002-4607-3390
Jared J Crochet 1
Correspondent author
Aditya D Mohite 1
Correspondent author
1
LANL - Los Alamos National Laboratory (P.O. Box 1663 Los Alamos, NM 87545 - United States)
2
Northwestern University [Evanston] (633 Clark Street, Evanston, IL 60208 Evanston - United States)
3
Rice University [Houston] (P.O. Box 1892, Houston, Texas 77251-1892 - United States)
4
Institut FOTON - Institut des Fonctions Optiques pour les Technologies de l'informatiON (ENSSAT 6, rue de Kerampont CS 80518 22305 LANNION Cedex - France)
- UR1 - Université de Rennes 1 (2 rue du Thabor - CS 46510 - 35065 Rennes cedex - France)
- UNIV-RENNES - Université de Rennes (France)
- INSA Rennes - Institut National des Sciences Appliquées - Rennes (20, avenue des Buttes de Coësmes - CS 70839 - 35708 Rennes cedex 7 - France)
- ENSSAT - École Nationale Supérieure des Sciences Appliquées et de Technologie (6 rue de Kerampont - BP 80518 - 22305 Lannion Cedex - France)
- CNRS - Centre National de la Recherche Scientifique : UMR6082 (France)
- UBL - Université Bretagne Loire (Cité Internationale, 1 place Paul Ricoeur - CS 54417 35044 RENNES CEDEX - France)
- IMT Atlantique - IMT Atlantique Bretagne-Pays de la Loire (Campus Brest : Technopôle Brest-Iroise CS 8381829238 BREST Cedex 3 -
Campus Nantes : 4, rue Alfred Kastler- La chantrerie 44300 NANTES -
Campus Rennes : 2 Rue de la Châtaigneraie, 35510 CESSON SEVIGNE - France)
- IMT - Institut Mines-Télécom [Paris] (37-39 Rue Dareau, 75014 Paris - France)
5
ISCR - Institut des Sciences Chimiques de Rennes (Campus de Beaulieu - Bât. 10 Avenue du Général Leclerc 35042 Rennes Cedex - France)
- INSA Rennes - Institut National des Sciences Appliquées - Rennes (20, avenue des Buttes de Coësmes - CS 70839 - 35708 Rennes cedex 7 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR6226 (France)
- Ecole Nationale Supérieure de Chimie de Rennes (France)
- UR1 - Université de Rennes 1 (2 rue du Thabor - CS 46510 - 35065 Rennes cedex - France)
- UNIV-RENNES - Université de Rennes (France)
6
BNL - Brookhaven National Laboratory [Upton, NY] (Brookhaven Avenue, Upton, NY 11973 - United States)
- DOE - U.S. Department of Energy (United States)
- UT-Battelle, LLC (1201 Oak Ridge Turnpike, Suite 100, Oak Ridge, TN 37830 - United States)
- SBU - Stony Brook University [SUNY] (100 Nicolls Road, Stony Brook, NY 11794 - United States)
- SUNY - State University of New York (United States)
Abstract : Understanding and controlling charge and energy flow in state-of-the-art semiconductor quantum-wells has enabled high-efficiency optoelectronic devices. Two-dimensional Ruddlesden-Popper perovskites are solution-processed quantum-wells wherein the band gap can be tuned by varying the perovskite layer thickness, which modulates the effective electron-hole confinement. We report that, counterintuitive to classical quantum-confined systems where photo-generated electrons and holes are strongly bound by Coulomb interactions or excitons, the photo-physics of thin films made of Ruddlesden-Popper perovskites with a thickness exceeding two perovskite crystal-units (>1.3 nanometers) is dominated by lower energy states associated with the local intrinsic electronic structure of the edges of the perovskite layers. These states provide a direct pathway for dissociating excitons into longer-lived free-carriers that significantly improve the performance of optoelectronic devices.
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Journal articles
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01486953
Contributor : Claudine Katan <>
Submitted on : Friday, March 10, 2017 - 4:13:42 PM
Last modification on : Wednesday, August 5, 2020 - 3:47:07 AM
Contributor : Claudine Katan <>
Submitted on : Friday, March 10, 2017 - 4:13:42 PM
Last modification on : Wednesday, August 5, 2020 - 3:47:07 AM
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Extremely efficient internal-a...
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Identifiers
- HAL Id : hal-01486953, version 1
- PUBMED : 28280250
- DOI : 10.1126/science.aal4211
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CNRS | ISCR | UNIV-RENNES1 | ISCR-CTI | INC-CNRS | UR1-UFR-SPM | FOTON-INSA | INSA-RENNES | FOTON | FOTON_OHM | UNIV-RENNES | INSA-GROUPE | INSTITUT-TELECOM | PSL
Citation
Jean-Christophe Blancon, Hsinhan Tsai, Wanyi Nie, Constantinos Stoumpos, Laurent Pedesseau, et al.. Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites. Science, American Association for the Advancement of Science, 2017, 355 (6331), pp.1288-1292. ⟨10.1126/science.aal4211⟩. ⟨hal-01486953⟩
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