Excited States of Gold(I) Compounds, Luminescence and Gold-Gold Bonding
1994
Excited States of Gold(I) Compounds and Their Luminescence
publication
Author Information
Author(s): John P. Fackler, Jr., Zerihun Assefa, Jennifer M. Forward, Richard J. Staples
Primary Institution: Texas A&M University
Hypothesis
The study investigates the excited state behavior of gold(I) species and the mechanisms for luminescence.
Conclusion
Gold(I) complexes can exhibit luminescence under various conditions, with emission colors depending on the ligands used.
Supporting Evidence
- Gold(I) complexes can display excited triplet state lifetimes in excess of 10 seconds.
- Emission from singlet oxygen occurs at 7752 cm-1, leaving the molecule in the triplet ground state.
- Protonation of the TPA ligand leads to a significant lengthening of the Au---Au distance.
- Water-soluble luminescent gold(I) complexes have been synthesized using phosphine ligands.
Takeaway
This study looks at how certain gold compounds can glow in different colors when mixed with other substances.
Methodology
The study examines the luminescent properties of gold(I) complexes and their interactions with ligands in various environments.
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