Abstract
New Pt(II) and Pd(II) complexes with donor–acceptor Schiff bases are conveniently prepared in only two steps. The complexes efficiently absorb in the red part of the spectrum (ε > 105 M–1 cm–1) and show moderate to strong room-temperature phosphorescence in the near-infrared (NIR) region. Particularly, Pt(II) complexes possess phosphorescence quantum yields (Φ) of ∼10%, but the emission of the respective Pd(II) complexes is less efficient (Φ ≈ 1%–2%). The complexes exhibit solvatochromic behavior, in which the absorption and emission spectra shift bathochromically in polar solvents. The Pt(II) complexes are embedded in polystyrene to produce oxygen-sensing materials. The Pd(II) and Pt(II) complexes are demonstrated to be efficient sensitizers in triplet–triplet annihilation-based upconversion systems.
Original language | English |
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Pages (from-to) | 1206-1216 |
Journal | Inorganic Chemistry |
Volume | 52 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2013 |
Fields of Expertise
- Advanced Materials Science
Treatment code (Nähere Zuordnung)
- Basic - Fundamental (Grundlagenforschung)
- Experimental