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Millisecond radiative recombination in poly(phenylene vinylene)-based light-emitting diodes from transient electroluminescence
2007
Journal of Applied Physics
The current and electroluminescence transient responses of standard poly͑phenylene vinylene͒-based light-emitting devices have been investigated. The electroluminescence time response is longer ͑milliseconds scale͒ than the current switch-off time by more than one order of magnitude, in the case of small area devices ͑Ͻ0.1 cm 2 ͒. For large area devices ͑ϳ6 cm 2 ͒ the electroluminescence decay time decreases from 1.45 ms to ϳ 100 s with increasing bias voltage. The fast current decay limits the
doi:10.1063/1.2743741
fatcat:pldgfqkx5bc6bhxvgjvudrt76q