Sub‐Picosecond Carrier Dynamics Explored using Automated High‐Throughput Studies of Doping Inhomogeneity within a Bayesian Framework
Abstract: Bottom–up production of semiconductor nanomaterials is often accompanied by inhomogeneity resulting in a spread in electronic properties which may be influenced by the nanoparticle geometry, crystal quality, stoichiometry, or doping. Using photoluminescence spectroscopy of a population of more than 11 000 individual zinc‐doped gallium arsenide nanowires, inhomogeneity is revealed in, and correlation between doping and nanowire diameter by use of a Bayesian statistical approach. Recombination of hot‐carriers is shown to be responsible for the photoluminescence lineshape; by exploiting lifetime variation across the population, hot‐carrier dynamics is revealed at the sub‐picosecond timescale showing interband electronic dynamics. High‐throughput spectroscopy together with a Bayesian approach are shown to provide unique insight in an inhomogeneous nanomaterial population, and can reveal electronic dynamics otherwise requiring complex pump‐probe experiments in highly non‐equilibrium conditions.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Sub‐Picosecond Carrier Dynamics Explored using Automated High‐Throughput Studies of Doping Inhomogeneity within a Bayesian Framework ; day:24 ; month:04 ; year:2023 ; extent:10
Small ; (24.04.2023) (gesamt 10)
- Urheber
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Al‐Abri, Ruqaiya
Al Amairi, Nawal
Church, Stephen
Byrne, Conor
Sivakumar, Sudhakar
Walton, Alex
Magnusson, Martin H.
Parkinson, Patrick
- DOI
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10.1002/smll.202300053
- URN
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urn:nbn:de:101:1-2023042515414857271775
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:47 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Al‐Abri, Ruqaiya
- Al Amairi, Nawal
- Church, Stephen
- Byrne, Conor
- Sivakumar, Sudhakar
- Walton, Alex
- Magnusson, Martin H.
- Parkinson, Patrick
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