Abstract
Metal complexes such as Os(II), Pt(II) and Ir(III) have been intensively studied for the use in organic light emitting diodes (OLEDs) and solid-state lighting. This can be mainly attributed to their heavy metal effect for efficient intersystem-crossing due to their strong spin-orbital couplings that enable efficient harvest of both singlet and triplet excitons for radiative decay and lead to high device performance. For full colour displays as well as white OLEDs, efficient blue, green and red emitters are required.
© 2014 Optical Society of America
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