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Study of the Synthesis and Properties of Ir( III ) Complexes Based on Phosphine Carbonylimide Derivative as Auxiliary Ligand
Author(s) -
Guo QingMei,
Huang GuoLi,
Yin XinYing,
Bian JianJian,
Li XiaoMei,
Teng MingYu
Publication year - 2020
Publication title -
bulletin of the korean chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.237
H-Index - 59
ISSN - 1229-5949
DOI - 10.1002/bkcs.12133
Subject(s) - iridium , chemistry , phosphine , ligand (biochemistry) , trifluoromethyl , derivative (finance) , medicinal chemistry , fluorescence , solid state , photochemistry , organic chemistry , catalysis , physics , alkyl , receptor , quantum mechanics , financial economics , economics , biochemistry
Three iridium complexes of (dfppy) 2 Ir(DAPB), (dfppy) 2 Ir(DAPB), and (dfppy) 2 Ir(DAPB) were synthesized by using phosphine carbonylimide derivative as auxiliary ligand and fluoro−/trifluoromethyl substituted 2‐phenylpyridine derivatives as primary ligands. Their quantum efficiency range from 19.4% to 38.5%, and show strong rigidochromic effect. The maximum emission wavelengths of solid‐state fluorescence have remarkable red shifts from 39 to 55 nm compared with these in CH 2 Cl 2 .