Luminescence quenching of the excited tris-bipyridyl ruthenium(II) ion by copper(II)-cyclodextrin complexes

E. Harris; N. R. Russell

doi:10.1007/BF00708715

Luminescence quenching of the excited tris-bipyridyl ruthenium(II) ion by copper(II)-cyclodextrin complexes

E. Harris, N. R. Russell

Research output: Contribution to journal › Article › peer-review

Abstract

The quenching of the luminescence intensity and lifetime of the electronically excited species Ru(bipy)₃²⁺ by a series of copper (II) cyclodextrin complexes is studied. It is found that conventional Stern-Volmer behaviour is not followed. A modified version of the Stern-Volmer equation, one which assumes purely static quenching, is in good agreement with experimental data. Inclusion of the Ru(bipy)₃²⁺ by the metallo-cyclodextrin complex is observed to play a key role in the quenching mechanism.

Original language	English
Pages (from-to)	355-365
Number of pages	11
Journal	Journal of Inclusion Phenomena and Molecular Recognition in Chemistry
Volume	16
Issue number	4
DOIs	https://doi.org/10.1007/BF00708715
Publication status	Published - Dec 1993

Keywords

Cyclodextrin
luminescence
metallo
quenching

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10.1007/BF00708715

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title = "Luminescence quenching of the excited tris-bipyridyl ruthenium(II) ion by copper(II)-cyclodextrin complexes",

abstract = "The quenching of the luminescence intensity and lifetime of the electronically excited species Ru(bipy)32+ by a series of copper (II) cyclodextrin complexes is studied. It is found that conventional Stern-Volmer behaviour is not followed. A modified version of the Stern-Volmer equation, one which assumes purely static quenching, is in good agreement with experimental data. Inclusion of the Ru(bipy)32+ by the metallo-cyclodextrin complex is observed to play a key role in the quenching mechanism.",

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year = "1993",

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doi = "10.1007/BF00708715",

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AU - Harris, E.

AU - Russell, N. R.

PY - 1993/12

Y1 - 1993/12

N2 - The quenching of the luminescence intensity and lifetime of the electronically excited species Ru(bipy)32+ by a series of copper (II) cyclodextrin complexes is studied. It is found that conventional Stern-Volmer behaviour is not followed. A modified version of the Stern-Volmer equation, one which assumes purely static quenching, is in good agreement with experimental data. Inclusion of the Ru(bipy)32+ by the metallo-cyclodextrin complex is observed to play a key role in the quenching mechanism.

AB - The quenching of the luminescence intensity and lifetime of the electronically excited species Ru(bipy)32+ by a series of copper (II) cyclodextrin complexes is studied. It is found that conventional Stern-Volmer behaviour is not followed. A modified version of the Stern-Volmer equation, one which assumes purely static quenching, is in good agreement with experimental data. Inclusion of the Ru(bipy)32+ by the metallo-cyclodextrin complex is observed to play a key role in the quenching mechanism.

KW - Cyclodextrin

KW - luminescence

KW - metallo

KW - quenching

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JO - Journal of Inclusion Phenomena and Molecular Recognition in Chemistry

JF - Journal of Inclusion Phenomena and Molecular Recognition in Chemistry

IS - 4

ER -

Luminescence quenching of the excited tris-bipyridyl ruthenium(II) ion by copper(II)-cyclodextrin complexes

Abstract

Keywords

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