Sterically crowded phenanthrolinediamides: conformational behavior and photophysics of their complexes with Eu-Gd-Tb triad

Key Points

• This research aims to explore the conformational behavior and photophysical properties of new phenanthrolinediamides and their metal complexes.
• Synthesis of three positional isomers of 1,10-phenanthroline-2,9-dicarboxamides (DAPhens)
• Investigative analysis using quantum chemical modeling
• Characterization of metal complexes with Eu-Gd-Tb triad
• Differences in conformational behavior of synthesized DAPhens were observed
• Photophysical properties of DAPhen complexes were characterized
• Insights into the binding interactions and stability of metal complexes were provided