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- W3136770166 startingPage "5391" @default.
- W3136770166 abstract "With the aims of increasing the antenna system and improving the photophysical properties of Cu(I)-based photosensitizers, the backbone of 2,9-dimethyl-1,10-phenanthroline was selectively extended in the 5,6-position. Applying specifically tailored Suzuki–Miyaura and “chemistry-on-the-complex” Sonogashira cross-coupling reactions enabled the development of two sets of structurally related diimine ligands with a broad variety of different phenyl- and alkynyl-based substituents. The resulting 11 novel heteroleptic Cu(I) complexes, including five solid-state structures, were studied with respect to their structure–property relationships. Both sets of substituents are able to red-shift the absorption maxima and to increase the absorptivity. For the alkynyl-based complexes, this is accompanied by a significant anodic shift of the reduction potentials. The phenyl-based substituents strongly influence the emission wavelength and quantum yield of the resulting Cu(I) complexes and lead to an increase in the emission lifetime of up to 504 ns, which clearly indicates competition with the benchmark system [(xantphos)Cu(bathocuproine)]PF6." @default.
- W3136770166 created "2021-03-29" @default.
- W3136770166 creator A5006796062 @default.
- W3136770166 creator A5011541176 @default.
- W3136770166 creator A5028396459 @default.
- W3136770166 creator A5030752892 @default.
- W3136770166 creator A5068108826 @default.
- W3136770166 creator A5090471164 @default.
- W3136770166 date "2021-03-25" @default.
- W3136770166 modified "2023-10-14" @default.
- W3136770166 title "Cross-Coupled Phenyl- and Alkynyl-Based Phenanthrolines and Their Effect on the Photophysical and Electrochemical Properties of Heteroleptic Cu(I) Photosensitizers" @default.
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