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Article: Synthesis, structures and photophysical properties of polynuclear copper(I) iodide complexes containing phosphine and 4,4′-bipyridine ligands
Title | Synthesis, structures and photophysical properties of polynuclear copper(I) iodide complexes containing phosphine and 4,4′-bipyridine ligands |
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Authors | |
Keywords | Copper(I) Iodide Crystal Structures Mixed Ligands Photochemical Studies Polynuclear Complexes |
Issue Date | 2008 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/poly |
Citation | Polyhedron, 2008, v. 27 n. 9-10, p. 2202-2208 How to Cite? |
Abstract | The highly luminescent polynuclear Cu I iodide complexes, [(Cu 2I 2)(4,4′-bipy)(PCy 3) 2] 2 · 4H 2O (1), [(Cu 2I 2)(4,4′-bipy)(PCy 3) 2] ∞ (2), [(Cu 2I 2)(4,4′-bipy)(dcpm)] ∞ (3) and [(Cu 2I 2)(4,4′-bipy)(dppm)] ∞ (4), were prepared by reacting CuI with tricyclohexylphosphine (PCy 3), bis(dicyclohexylphosphino)methane (dcpm) or bis(diphenylphosphino)methane (dppm) and 4,4′-bipyridine (4,4′-bipy), and their structures were determined by X-ray crystal analysis. The reported complexes [CuClPCy 3] 2 (5) and [CuIPCy 3] 2 (6) were also prepared for comparison. In solid state, complexes 1-6 display intense long-lived phosphorescence with λ max at 605, 565, 640, 570, 430 and 450 nm at room temperature, and the solid-state emission quantum yields are 0.11, 0.20, 0.29, 0.35, 0.67 and 0.83, respectively. The relatively high-energy emissions of 5 and 6 are attributed to arising from metal-centered MC (3d → 4s, 4p) excited state, while the low-energy emissions of 1-4 are assigned to a metal-to-ligand charge transfer (d → π * MLCT) excited state. © 2008 Elsevier Ltd. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/168305 |
ISSN | 2023 Impact Factor: 2.4 2023 SCImago Journal Rankings: 0.379 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Gan, X | en_US |
dc.contributor.author | Fu, WF | en_US |
dc.contributor.author | Lin, YY | en_US |
dc.contributor.author | Yuan, M | en_US |
dc.contributor.author | Che, CM | en_US |
dc.contributor.author | Chi, SM | en_US |
dc.contributor.author | Li, HFJ | en_US |
dc.contributor.author | Chen, JH | en_US |
dc.contributor.author | Chen, Y | en_US |
dc.contributor.author | Zhou, ZY | en_US |
dc.date.accessioned | 2012-10-08T03:17:18Z | - |
dc.date.available | 2012-10-08T03:17:18Z | - |
dc.date.issued | 2008 | en_US |
dc.identifier.citation | Polyhedron, 2008, v. 27 n. 9-10, p. 2202-2208 | en_US |
dc.identifier.issn | 0277-5387 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168305 | - |
dc.description.abstract | The highly luminescent polynuclear Cu I iodide complexes, [(Cu 2I 2)(4,4′-bipy)(PCy 3) 2] 2 · 4H 2O (1), [(Cu 2I 2)(4,4′-bipy)(PCy 3) 2] ∞ (2), [(Cu 2I 2)(4,4′-bipy)(dcpm)] ∞ (3) and [(Cu 2I 2)(4,4′-bipy)(dppm)] ∞ (4), were prepared by reacting CuI with tricyclohexylphosphine (PCy 3), bis(dicyclohexylphosphino)methane (dcpm) or bis(diphenylphosphino)methane (dppm) and 4,4′-bipyridine (4,4′-bipy), and their structures were determined by X-ray crystal analysis. The reported complexes [CuClPCy 3] 2 (5) and [CuIPCy 3] 2 (6) were also prepared for comparison. In solid state, complexes 1-6 display intense long-lived phosphorescence with λ max at 605, 565, 640, 570, 430 and 450 nm at room temperature, and the solid-state emission quantum yields are 0.11, 0.20, 0.29, 0.35, 0.67 and 0.83, respectively. The relatively high-energy emissions of 5 and 6 are attributed to arising from metal-centered MC (3d → 4s, 4p) excited state, while the low-energy emissions of 1-4 are assigned to a metal-to-ligand charge transfer (d → π * MLCT) excited state. © 2008 Elsevier Ltd. All rights reserved. | en_US |
dc.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/poly | en_US |
dc.relation.ispartof | Polyhedron | en_US |
dc.subject | Copper(I) Iodide | en_US |
dc.subject | Crystal Structures | en_US |
dc.subject | Mixed Ligands | en_US |
dc.subject | Photochemical Studies | en_US |
dc.subject | Polynuclear Complexes | en_US |
dc.title | Synthesis, structures and photophysical properties of polynuclear copper(I) iodide complexes containing phosphine and 4,4′-bipyridine ligands | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, CM:cmche@hku.hk | en_US |
dc.identifier.authority | Che, CM=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/j.poly.2008.03.026 | en_US |
dc.identifier.volume | 27 | - |
dc.identifier.issue | 9-10 | - |
dc.identifier.spage | 2202 | - |
dc.identifier.epage | 2208 | - |
dc.identifier.isi | WOS:000257533800024 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Gan, X=7103333665 | en_US |
dc.identifier.scopusauthorid | Fu, WF=7202947315 | en_US |
dc.identifier.scopusauthorid | Lin, YY=7406585692 | en_US |
dc.identifier.scopusauthorid | Yuan, M=7201374217 | en_US |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.scopusauthorid | Chi, SM=16240665100 | en_US |
dc.identifier.scopusauthorid | Li, HFJ=24280134800 | en_US |
dc.identifier.scopusauthorid | Chen, JH=8893253500 | en_US |
dc.identifier.scopusauthorid | Chen, Y=37095391400 | en_US |
dc.identifier.scopusauthorid | Zhou, ZY=7406094186 | en_US |
dc.identifier.issnl | 0277-5387 | - |