Photophysical and electrochemical properties of heteroleptic tris-cyclometalated iridium(III) complexes |
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| Authors: | Dedeian Kenneth Shi Jianmin Shepherd Nigel Forsythe Eric Morton David C |
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| Affiliation: | Army Research Laboratory, 2800 Powder Mill Road, Adelphi, Maryland 20783, USA. kdedeian@art.army.mil |
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| Abstract: | Mixed (difluoro)phenylpyridine/(difluoro)phenylpyrazole tris-cyclometalated iridium complexes were prepared in order to study the effect of fluorination and the pyridine/pyrazole ratio on the emission and electrochemical properties. Increasing fluorination and replacement of pyridine by pyrazole both leads to a widening of the HOMO-LUMO gap and generally leads to a blue shift in emission. |
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