Theoretical insight on the effect of different positional N-substitution on the electronic structures and photophysical properties of five iridium(III) complexes bearing fluorine substituted 2,3′ -bipyridine and bromine substituted pyridinyltetrazolate ligands

[SCI通讯]Theoretical insight into the electronic structures and photophysical properties of two series of iridium(III) complexes with different substitute groups or substituent position