Novel RuII complexes with bispidine-based bridging ligands: luminescence sensing and photocatalytic properties

Busche, C. , Comba, P., Mayboroda, A. and Wadepohl, H. (2010) Novel RuII complexes with bispidine-based bridging ligands: luminescence sensing and photocatalytic properties. European Journal of Inorganic Chemistry, 2010(8), pp. 1295-1302. (doi: 10.1002/ejic.200901058)

Abstract

New ligands with a bidentate bipyridyl (bpy) and a tetradentate bispidine (bisp) subunit (bipyridyl = 2,2′-bipyridine derivative, bispidine = 3,7-diazabicyclo[3.3.1]nonane derivative) and their heterodinuclear {[Ru(bpy)3]2+-[M(bisp)]2+} complexes (M = Cu2+, Fe2+) were prepared and characterized. The luminescence of the mononuclear RuII complexes (metal-free bisp subunit) is efficiently quenched in presence of CuII. An EPR spectroscopic study reveals thatvisible light irradiation does not alter the oxidation states of the two metal ions in {[Ru(bpy)3]2+-[Cu(bisp)]2+}, i.e. there is energy rather than electron transfer. The heterodinuclear {[Ru(bpy)3]2+-[Cu(bisp)]2+} complex shows a significantphotocatalytic activity in the aziridination of styrene.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Busche, Dr Christopher
• Authors: Busche, C., Comba, P., Mayboroda, A., and Wadepohl, H.
• College/School: College of Science and Engineering > School of Chemistry
• Journal Name: European Journal of Inorganic Chemistry
• Publisher: Wiley
• ISSN: 1434-1948
• ISSN (Online): 1099-0682
• Published Online: 08 February 2010