Mahan excitons in room-temperature methylammonium lead bromide perovskites

In a seminal paper, Mahan predicted that excitonic bound states can still exist in a semiconductor at electron-hole densities above the insulator-to-metal Mott transition. However, no clear evidence for this exotic quasiparticle, dubbed Mahan exciton, exists to date at room temperature. In this work...

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Bibliographic Details
Published in:	Nature communications Vol. 11; no. 1; pp. 850 - 8
Main Authors:	Palmieri, Tania, Baldini, Edoardo, Steinhoff, Alexander, Akrap, Ana, Kollár, Márton, Horváth, Endre, Forró, László, Jahnke, Frank, Chergui, Majed
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 12.02.2020 Nature Publishing Group Nature Portfolio
Subjects:	639/624/400/584 639/766/119/1000 639/766/119/2795 639/766/119/995 Broadband Carrier density Charge density Current carriers Energy Equilibrium Excitons Holes (electron deficiencies) Humanities and Social Sciences Laboratories Many body problem multidisciplinary Optics Perovskites Photoexcitation Physics Room temperature Science Science (multidisciplinary) Semiconductors Single crystals Spectroscopy
ISSN:	2041-1723, 2041-1723
Online Access:	Get full text
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