Shortening the intramolecular Pd-Pd distances for photoactive dinuclear Pd(II) complexes

Key Points

• This research aims to explore the effects of shortening Pd-Pd distances in dinuclear Pd(II) complexes on their optical properties.
• Synthesize dinuclear double-decker Pd(II) complexes with varying Pd-Pd distances.
• Measure photoluminescence emission wavelengths in films.
• Conduct density functional theory calculations to analyze molecular interactions.
• Dinuclear complexes exhibited Pd-Pd distances of approximately 2.78 Å.
• Red photoluminescence was observed with emission wavelengths around 600-625 nm.
• Computational analysis supported the observed photophysical properties.