A1 Journal article (refereed)
Series of Near-IR-Absorbing Transition Metal Complexes with Redox Active Ligands (2020)

Salojärvi, E., Peuronen, A., Lahtinen, M., Huhtinen, H., Vlasenko, L. S., Lastusaari, M., & Lehtonen, A. (2020). Series of Near-IR-Absorbing Transition Metal Complexes with Redox Active Ligands. Molecules, 25(11), Article 2531. https://doi.org/10.3390/molecules25112531

JYU authors or editors

Publication details

All authors or editors: Salojärvi, Esko; Peuronen, Anssi; Lahtinen, Manu; Huhtinen, Hannu; Vlasenko, Leonid S.; Lastusaari, Mika; Lehtonen, Ari

Journal or series: Molecules

eISSN: 1420-3049

Publication year: 2020

Volume: 25

Issue number: 11

Article number: 2531

Publisher: MDPI

Publication country: Switzerland

Publication language: English

DOI: https://doi.org/10.3390/molecules25112531

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/69762

Abstract

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(Lox)2, [Zr(Lox)2], [V(Lsq1)(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.

Keywords: coordination complexes; ligands; organic compounds

Free keywords: metal organic complex; redox-active ligand; non-innocent ligands

Contributing organizations

Ministry reporting: Yes

Reporting Year: 2020

JUFO rating: 1