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Controlling Near-Infrared Chromophore Electronic Properties through Metal-Ligand Orbital Alignment

Title data

Mews, Nicole M. ; Berkefeld, Andreas ; Hörner, Gerald ; Schubert, Hartmut:
Controlling Near-Infrared Chromophore Electronic Properties through Metal-Ligand Orbital Alignment.
In: Journal of the American Chemical Society. Vol. 139 (10 February 2017) Issue 7 . - pp. 2808-2815.
ISSN 1520-5126
DOI: https://doi.org/10.1021/jacs.6b13085

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Transition-metal complexes of radical ligands can exhibit low-energy electronic transitions in the near-infrared (NIR) spectral region. NIR band energy and intensity sensitively depend on the degree of electronic coupling of the chromophore. Using the example of open-shell complexes derived from platinum and a 1,4-terphenyldithiophenol, we present a novel approach toward spectroscopically distinct NIR dyes for which the degree of electronic coupling correlates with the relative orientation of radical ligand and metal orbitals. Ligand/metal orbital alignment is modulated by auxiliary phosphine donors and selectively results in electron localized Class II–III or delocalized Class III structures that display distinct NIR transitions at 6500 and 4000 cm–1.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV > Chair Inorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 06 Jul 2020 12:33
Last Modified: 06 Jul 2020 12:33
URI: https://eref.uni-bayreuth.de/id/eprint/55708