Controlling triplet–triplet upconversion and singlet-triplet annihilation in organic light-emitting diodes for injection lasing

Atul Shukla; Monirul Hasan; Gangadhar Banappanavar; Viqar Ahmad; Jan Sobus; Evan G. Moore; Dinesh Kabra; Shih-Chun Lo; Ebinazar B. Namdas

doi:10.1038/s43246-022-00248-0

Communications Materials (Apr 2022)

Controlling triplet–triplet upconversion and singlet-triplet annihilation in organic light-emitting diodes for injection lasing

Atul Shukla,
Monirul Hasan,
Gangadhar Banappanavar,
Viqar Ahmad,
Jan Sobus,
Evan G. Moore,
Dinesh Kabra,
Shih-Chun Lo,
Ebinazar B. Namdas

Affiliations

Atul Shukla: Centre for Organic Photonics & Electronics, The University of Queensland
Monirul Hasan: Centre for Organic Photonics & Electronics, The University of Queensland
Gangadhar Banappanavar: Department of Physics, Indian Institute of Technology Bombay
Viqar Ahmad: Centre for Organic Photonics & Electronics, The University of Queensland
Jan Sobus: Centre for Organic Photonics & Electronics, The University of Queensland
Evan G. Moore: School of Chemistry and Molecular Biosciences, The University of Queensland
Dinesh Kabra: Department of Physics, Indian Institute of Technology Bombay
Shih-Chun Lo: Centre for Organic Photonics & Electronics, The University of Queensland
Ebinazar B. Namdas: Centre for Organic Photonics & Electronics, The University of Queensland

DOI: https://doi.org/10.1038/s43246-022-00248-0
Journal volume & issue: Vol. 3, no. 1
pp. 1 – 11

Abstract

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Losses induced by triplet excitons are a major obstacle for electrically pumped organic lasers. Here, a combination of enhanced triplet-triplet upconversion and suppressed singlet-triplet annihilation is demonstrated as a route towards lasing in organic light emitting diodes.

Published in Communications Materials

ISSN: 2662-4443 (Online)
Publisher: Nature Portfolio
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.nature.com/commsmat/

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