A correlation between electron-hole pair radii and magnetomodulation of exciplex fluorescence in electron donor-electron acceptor organic systems - Publication - MOST Wiedzy

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A correlation between electron-hole pair radii and magnetomodulation of exciplex fluorescence in electron donor-electron acceptor organic systems

Abstract

Electric field dependencies of electromodulated photoluminescence and magnitudes of the magnetic-field effect on photoluminescence havebeen measured in vacuum-evaporated films of m-MTDATA [4,4',4"-tris(N-(3-methylphenyl)-N-phenylamino)triphenylamine]:bathophe-nanthroline, m-MTDATA:BCP (bathocuproine), as well as 4,4',4"-tris[2-naphthyl(phenyl)amino]triphenylamine:BCP. The Sano-Tachiya-Noolandi-Hong extension of standard Onsager formalism was used to investigate the electron-hole pair dissociation process which allowedus to estimate the pair intercarrier distances and the final speed of carrier recombination. A distinct correlation between the pair radii andthe magnitude of the magnetic-field effect has been found.

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Details

Category:
Magazine publication
Type:
artykuły w czasopismach
Published in:
APPLIED PHYSICS LETTERS no. 115, pages 1 - 6,
ISSN: 0003-6951
Language:
English
Publication year:
2019
Bibliographic description:
Pelczarski D. K., Grygiel P. J., Falkowski K., Stampor W.: A correlation between electron-hole pair radii and magnetomodulation of exciplex fluorescence in electron donor-electron acceptor organic systems// APPLIED PHYSICS LETTERS -Vol. 115,iss. 1 (2019), s.1-6
DOI:
Digital Object Identifier (open in new tab) 10.1063/1.5095878
Verification:
Gdańsk University of Technology

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