Issue 35, 2017

A comparative study of optical properties and X-ray induced luminescence of octahedral molybdenum and tungsten cluster complexes

Abstract

Octahedral metal cluster complexes have high potential for biomedical applications. In order to evaluate the benefits of these moieties for combined CT/X-ray luminescence computed tomography, this paper compares photoluminescence, radiodensity and X-ray induced luminescence properties of eight related octahedral molybdenum and tungsten cluster complexes [{M6I8}L6]n (where M is Mo or W and L is I, NO3, OTs or OH/H2O). This article demonstrates that despite the fact that molybdenum cluster complexes are better photoluminescence emitters, tungsten cluster complexes, in particular (Bu4N)2[{W6I8}I6], demonstrate significantly higher X-ray induced luminescence due to a combination of relatively good photoluminescence properties and high X-ray attenuation. Additionally, photo-degradation of [{M6I8}(NO3)6]2− was evaluated.

Graphical abstract: A comparative study of optical properties and X-ray induced luminescence of octahedral molybdenum and tungsten cluster complexes

Supplementary files

Article information

Article type
Paper
Submitted
26 May 2017
Accepted
06 Aug 2017
First published
07 Aug 2017
This article is Open Access
Creative Commons BY license

Dalton Trans., 2017,46, 11738-11747

A comparative study of optical properties and X-ray induced luminescence of octahedral molybdenum and tungsten cluster complexes

D. V. Evtushok, A. R. Melnikov, N. A. Vorotnikova, Y. A. Vorotnikov, A. A. Ryadun, N. V. Kuratieva, K. V. Kozyr, N. R. Obedinskaya, E. I. Kretov, I. N. Novozhilov, Y. V. Mironov, D. V. Stass, O. A. Efremova and M. A. Shestopalov, Dalton Trans., 2017, 46, 11738 DOI: 10.1039/C7DT01919J

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