Jump to main content
Jump to site search

Issue 21, 2018
Previous Article Next Article

Magnetic field effects on the quenching of triplet excitons in exciplex-based organic light emitting diodes

Author affiliations

Abstract

Triplet excited states in exciplex-based organic light emitting diodes (OLEDs) can be wasted by transferring their energy to the host material in a system with smaller triplet energy levels. This triplet loss process is investigated using magnetic field effects (MFEs). Magnetophotoluminescence (MPL) and magnetoelectroluminescence (MEL) are comprehensively studied and the results suggest that this energy transfer can influence the lineshape or amplitude of MPL and the current dependence of MEL. Transient MEL is also studied to examine the influence of the magnetic field on exciton dynamic processes. The experimental results show that the time-resolved MELs at the rising and falling pulse stages will be affected by this triplet energy transfer based on different exciton interactions under an external magnetic field.

Graphical abstract: Magnetic field effects on the quenching of triplet excitons in exciplex-based organic light emitting diodes

Back to tab navigation

Supplementary files

Publication details

The article was received on 15 Mar 2018, accepted on 25 Apr 2018 and first published on 26 Apr 2018


Article type: Paper
DOI: 10.1039/C8TC01260A
Citation: J. Mater. Chem. C, 2018,6, 5721-5726
  •   Request permissions

    Magnetic field effects on the quenching of triplet excitons in exciplex-based organic light emitting diodes

    P. Yuan, X. Qiao, D. Yan and D. Ma, J. Mater. Chem. C, 2018, 6, 5721
    DOI: 10.1039/C8TC01260A

Search articles by author

Spotlight

Advertisements