of the type [Zn (L n) 2] NO 3 complexes (where, L 1= 4′-(4-methylphenyl)− 2, 2′: 6′, 2′-
terpyridine, L 2= 4′-(3, 4, 5-trimethoxyphenyl)− 2, 2′: 6′, 2′-terpyridine, and L 3= 4′-(2-
thiophenyl)− 2, 2′: 6′, 2′-terpyridine) were successfully synthesized and photophysical
characterizations were done for OLEDs applications. The UV–visible absorption spectra of
the complexes exhibited an intense absorption band in the range of 240–380 nm owing to a …