Two-photon phosphorescence lifetime imaging of cells and tissues using a long-lived cyclometallated Npyridyl Pt(ii) complex
نویسندگان
چکیده
Department of Chemistry, University of She [email protected]; julia.weinstein@s Department of Chemistry, Durham Univers Department of Engineering Materials, The Sheffield, S3 7HQ, Sheffield, UK Central Laser Facility, Science and Technolo Innovation Campus, OX11 0QX, UK † Electronic supplementary informatio characterisation of complex 1. Details o staining with 1. Microscope set-up and imaging experiments. See DOI: 10.1039/c4 Cite this: RSC Adv., 2014, 4, 35003
منابع مشابه
Blue-shifting the monomer and excimer phosphorescence of tridentate cyclometallated platinum(II) complexes for optimal white-light OLEDs.
By using a tridentate N^C^N-coordinating ligand, the luminescence of a cyclometallated Pt(II) complex can be shifted into the blue region, without the problematic drop-off in quantum yield observed for bidentate analogues. The combination of blue-shifted monomer and excimer allows white-emitting OLEDs with high colour rendering index to be produced.
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The new complexes cis-[Ir(CO)2Cl(4-(para-di-n-butylaminostyryl)pyridine)] (1) and [Ir(cyclometallated-2phenylpyridine)2(4,4’-(para-di-n-butylaminostyryl)-2,2’-bipyridine)][PF6] (3) were synthesized and fully characterized along with the known complex Ir(cyclometallated-2-phenylpyridine)2(5-Me-1,10-phenanthroline)][PF6] (2). Remarkably, complex 1, with an Ir(I) centre, displays fluorescence – as...
متن کاملAccessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(II) bisacetylide complex and its application for upconversion.
Room temperature near-IR phosphorescence of naphthalenediimide (NDI) was observed with N^N Pt(II) bisacetylide complex (Pt-NDI) in which the NDI was connected to Pt(II) center via acetylide. Pt-NDI shows intense absorption of visible light and long-lived NDI-localized excited state ((3)IL) (τ(T) = 22.3 μs). Pt-NDI was used as a triplet sensitizer for upconversion.
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تاریخ انتشار 2014