Sensitised near-infrared emission from lanthanides using a covalently-attached Pt(ii) fragment as an antenna groupElectronic supplementary information (ESI) available: characterisation data and luminescence spectra. See http://www.rsc.org/suppdata/cc/b3/b301878d/

Abstract

In a series of heterodinuclear complexes in which a Pt(PPh3)2(catecholate) chromophore is covalently linked to a lanthanide tris(diketonate) unit, sensitised near-IR emission from Yb(III), Nd(III) and Er(III) occurs on excitation of the Pt(II) chromophore at 520 nm.