期刊
INORGANIC CHEMISTRY
卷 55, 期 7, 页码 3440-3447出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.5b02843
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资金
- University of Otago
- MacDiarmid Institute and the Department of Chemistry, University of Otago
The photophysics of a family of exo-functionalized [Pd2L4](4+) metallo-supramolecular cage architectures constructed from a tripyridyl 1,2,3-triazole backbone are reported. Several spectroscopic techniques are employed including both electronic (steady-state and transient absorption and emission) and vibrational (resonant and nonresonant Raman) methods. These experimental results are interpreted alongside simulated results from density functional theory calculations of the system's vibrational and electronic properties. The ligands and cages are shown to be essentially insulated from the exo-functionalization. They exhibit electronic transitions in the UV region and excited-state properties that are little affected by formation of the cage. Upon functionalization, characteristic Raman bands, electronic transitions, and emission bands associated with, and confined to, the substituent are observed.
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