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A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes

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A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes. / Pelleteret, Diane; Fletcher, Nicholas C.

In: European Journal of Inorganic Chemistry, Vol. 2008, No. 23, 08.2008, p. 3597-3605.

Research output: Contribution to journalJournal article

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Pelleteret, D & Fletcher, NC 2008, 'A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes', European Journal of Inorganic Chemistry, vol. 2008, no. 23, pp. 3597-3605. https://doi.org/10.1002/ejic.200800251

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Author

Pelleteret, Diane ; Fletcher, Nicholas C. / A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes. In: European Journal of Inorganic Chemistry. 2008 ; Vol. 2008, No. 23. pp. 3597-3605.

Bibtex

@article{12dff6fab2a044499d208759efec04eb,
title = "A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes",
abstract = "A series of dinuclear (bipyridine)tricarbonylrhenium(I) and tris(bipyridine) ruthenium(II) complexes have been isolated and characterised, bridged by a flexible diamido ethylene glycol chain. A new stepwise synthetic pathway has been investigated to heterometallic complexes, with the rhenium(I) complexes exhibiting an unusual configuration and inequivalence of the metal centres potentially arising from a surprising hydrogen-bonding interaction between an Re-CO group and an amide proton in low-polarity solvents. This interaction appears to be broken by competing hydrogen-bonding species such as dihydrogen phosphate. This effect was not observed in file corresponding ruthenium(II) complexes, which showed very little interaction with anions. The photophysical characterisation shows that the inclusion Of two ester/amide groups to the rhenium centre effectively quenches the fluorescence at. room temperature, The ruthenium(II) complexes have considerably stronger fluorescence than the rhenium species, and are less affected by the inclusion of ester and amide groups to the 2,2'-bipyridine chelating group, ((D Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheirn, Germany, 2008).",
keywords = "rhenium, ruthenium, 2,2'-bipyridine, bridging ligands, heterometallic complexes, TRANSITION-METAL-COMPLEXES, PHOTOCATALYTIC CO2 REDUCTION, PHOTOINDUCED ENERGY-TRANSFER, ELECTRON-TRANSFER PROCESSES, LOWEST EXCITED-STATE, PHOTOPHYSICAL PROPERTIES, POLYPYRIDINE COMPLEXES, TRICARBONYL COMPLEXES, ANION-RECOGNITION, PI-STACKING",
author = "Diane Pelleteret and Fletcher, {Nicholas C.}",
year = "2008",
month = aug
doi = "10.1002/ejic.200800251",
language = "English",
volume = "2008",
pages = "3597--3605",
journal = "European Journal of Inorganic Chemistry",
issn = "1434-1948",
publisher = "Wiley-VCH Verlag",
number = "23",

}

RIS

TY - JOUR

T1 - A modular approach to luminescent dinuclear ruthenium(II) and rhenium(I) complexes

AU - Pelleteret, Diane

AU - Fletcher, Nicholas C.

PY - 2008/8

Y1 - 2008/8

N2 - A series of dinuclear (bipyridine)tricarbonylrhenium(I) and tris(bipyridine) ruthenium(II) complexes have been isolated and characterised, bridged by a flexible diamido ethylene glycol chain. A new stepwise synthetic pathway has been investigated to heterometallic complexes, with the rhenium(I) complexes exhibiting an unusual configuration and inequivalence of the metal centres potentially arising from a surprising hydrogen-bonding interaction between an Re-CO group and an amide proton in low-polarity solvents. This interaction appears to be broken by competing hydrogen-bonding species such as dihydrogen phosphate. This effect was not observed in file corresponding ruthenium(II) complexes, which showed very little interaction with anions. The photophysical characterisation shows that the inclusion Of two ester/amide groups to the rhenium centre effectively quenches the fluorescence at. room temperature, The ruthenium(II) complexes have considerably stronger fluorescence than the rhenium species, and are less affected by the inclusion of ester and amide groups to the 2,2'-bipyridine chelating group, ((D Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheirn, Germany, 2008).

AB - A series of dinuclear (bipyridine)tricarbonylrhenium(I) and tris(bipyridine) ruthenium(II) complexes have been isolated and characterised, bridged by a flexible diamido ethylene glycol chain. A new stepwise synthetic pathway has been investigated to heterometallic complexes, with the rhenium(I) complexes exhibiting an unusual configuration and inequivalence of the metal centres potentially arising from a surprising hydrogen-bonding interaction between an Re-CO group and an amide proton in low-polarity solvents. This interaction appears to be broken by competing hydrogen-bonding species such as dihydrogen phosphate. This effect was not observed in file corresponding ruthenium(II) complexes, which showed very little interaction with anions. The photophysical characterisation shows that the inclusion Of two ester/amide groups to the rhenium centre effectively quenches the fluorescence at. room temperature, The ruthenium(II) complexes have considerably stronger fluorescence than the rhenium species, and are less affected by the inclusion of ester and amide groups to the 2,2'-bipyridine chelating group, ((D Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheirn, Germany, 2008).

KW - rhenium

KW - ruthenium

KW - 2,2'-bipyridine

KW - bridging ligands

KW - heterometallic complexes

KW - TRANSITION-METAL-COMPLEXES

KW - PHOTOCATALYTIC CO2 REDUCTION

KW - PHOTOINDUCED ENERGY-TRANSFER

KW - ELECTRON-TRANSFER PROCESSES

KW - LOWEST EXCITED-STATE

KW - PHOTOPHYSICAL PROPERTIES

KW - POLYPYRIDINE COMPLEXES

KW - TRICARBONYL COMPLEXES

KW - ANION-RECOGNITION

KW - PI-STACKING

U2 - 10.1002/ejic.200800251

DO - 10.1002/ejic.200800251

M3 - Journal article

VL - 2008

SP - 3597

EP - 3605

JO - European Journal of Inorganic Chemistry

JF - European Journal of Inorganic Chemistry

SN - 1434-1948

IS - 23

ER -