Blue iridium complexes as electron trapping sites and efficient recombination centres in poly(N-vinylcarbazole) seen by spectrally resolved thermoluminescence
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文摘

Occurrence of hole traps on PVK and deep electron traps on the blue iridium complexes.

The presence of blue iridium complexes creates a new channel for the energy transfer.

Holes released from PVK traps generate triplet excitons of FIrpic or Ir(Fppy)3.

FIrpic acts as effective radiative recombination centre in PVK even at 0.1 wt%.

SRTL as a method for identification of traps and emission centres in EL systems.

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