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Issue 70, 2020
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Synthesis and charge transfer characteristics of a ruthenium–acetylide complex

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Abstract

A novel ruthenium–acetylide complex was synthesised and characterised in solid state and solution. Thin films of the complex were evaporated on silver and gold foils in ultra high vacuum in order to probe the electronic properties with photoemission spectroscopy. The charge transfer characteristics of the complex with the strong acceptor F6TCNNQ were investigated by UV-vis absorption in solution as well as at an interface with photoemission spectroscopy. A new excitation in the former optical gap of the pristine materials was probed in solution. Moreover, it was possible to identify the oxidised complex as well as the reduced acceptor by X-ray photoemission spectroscopy. In particular, our data reveal that oxidation of the complex mainly occurs at the Ru centre. The charge transfer can be characterised as localised and mainly ionic although signs of a reaction of the acceptors aminogroups with the ruthenium–acetylide complex were found.

Graphical abstract: Synthesis and charge transfer characteristics of a ruthenium–acetylide complex

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Article information


Submitted
01 Oct 2020
Accepted
18 Nov 2020
First published
27 Nov 2020

This article is Open Access

RSC Adv., 2020,10, 43242-43247
Article type
Paper

Synthesis and charge transfer characteristics of a ruthenium–acetylide complex

R. Kuhrt, P. Ho, M. Hantusch, F. Lissel, O. Blacque, M. Knupfer and B. Büchner, RSC Adv., 2020, 10, 43242
DOI: 10.1039/D0RA08390A

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