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Updated: Aug 5, 2025
11:16
Preparation of Silver-Palladium Alloyed Nanoparticles for Plasmonic Catalysis under Visible-Light Illumination
Published on: August 18, 2020
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Luminescence and Palladium: The Odd Couple
David Dalmau1, Esteban P Urriolabeitia1
1Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain.
Molecules (Basel, Switzerland)
|March 29, 2023
Summary
Researchers developed new methods to create bright palladium complexes, overcoming palladium's tendency to quench fluorescence. These advanced materials show promise for lighting, biological imaging, and medical treatments.
Area of Science:
- Coordination Chemistry
- Materials Science
- Photophysics
Background:
- Palladium (Pd) complexes often quench fluorescence, limiting their use in luminescent applications.
- Recent advances have focused on overcoming this quenching effect through innovative synthetic strategies.
Purpose of the Study:
- To review the synthesis, photophysical properties, and applications of highly fluorescent and phosphorescent palladium complexes from 2018-2022.
- To highlight strategies that preserve or enhance luminescence in palladium complexes.
Main Methods:
- Review of recent literature (2018-2022) on palladium complex synthesis and photophysics.
- Analysis of established methods (e.g., orthopalladation, porphyrin ligands) and novel concepts (e.g., Aggregation Induced Emission, Thermally Activated Delayed Fluorescence).
Main Results:
- Successful synthetic strategies have been developed to maintain or amplify the luminescence of fluorophores upon palladium incorporation.
- New approaches like Aggregation Induced Emission (AIE) in metallacages and coordination-driven supramolecular compounds (CDS), and Thermally Activated Delayed Fluorescence (TADF) complexes have emerged.
Conclusions:
- Palladium complexes can be engineered for high fluorescence and phosphorescence, expanding their utility.
- These complexes have demonstrated potential in diverse applications including lighting, biological markers, photodynamic therapy, and oxygen sensing.
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