A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Series of Near-IR-Absorbing Transition Metal Complexes with Redox Active Ligands
Tekijät: Esko Salojärvi, Anssi Peuronen, Manu Lahtinen, Hannu Huhtinen, Leonid S. Vlasenko, Mika Lastusaari, Ari Lehtonen
Kustantaja: MDPI
Julkaisuvuosi: 2020
Journal: Molecules
Tietokannassa oleva lehden nimi: MOLECULES
Lehden akronyymi: MOLECULES
Artikkelin numero: ARTN 2531
Vuosikerta: 25
Numero: 11
Sivujen määrä: 17
eISSN: 1420-3049
DOI: https://doi.org/10.3390/molecules25112531
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/48961340
New soluble and intensely near-IR-absorbing transition metal (Ti, Zr, V, Ni) complexes were synthesized using a redox non-innocent N,N'-bis(3,5-di-tertbutyl-2-hydroxy-phenyl) -1,2-phenylenediamine (H4L) as a ligand precursor. In all the complexes, ([Ti(L-ox)(2), [Zr(L-ox)(2)], [V(L-sq1)(HLox)] and [Ni(HLox)(2)], two organic molecules coordinate to the metal center as tri- or tetradentate ligands. The solid-state structures of the complexes were determined using single crystal XRD, and the compounds were further characterized with Electrospray Ionisation Mass Spectrometry (ESI-MS). Thermoanalytical measurements indicated the thermal stabilities of the complexes. All compounds absorb strongly in the near-IR region and show very interesting magnetic and electrochemical properties. Moreover, it was shown that the V and Ni complexes can also convert absorbed near-IR photons to (un)paired electrons, which indicates great promise in photovoltaic applications.
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