Synthesis and photophysical properties of ruthenocene-[60]fullerene dyads

Juan José Oviedo; Mohamed E. El-Khouly; Pilar De La Cruz; Laura Pérez; Javier Garín; Jesús Orduna; Yasuyuki Araki; Fernando Langa; Osamu Ito

doi:10.1039/b509221c

Synthesis and photophysical properties of ruthenocene-[60]fullerene dyads

Juan José Oviedo, Mohamed E. El-Khouly, Pilar De La Cruz, Laura Pérez, Javier Garín, Jesús Orduna, Yasuyuki Araki, Fernando Langa, Osamu Ito

Division of Organic- and Biomaterials Research

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

11 Citations (Scopus)

Abstract

Two novel ruthenocene-C₆₀ dyads, with a 2-pyrazoline ring or a pyrrolidine ring as a linker, have been synthesized with the aim of providing a simple model of natural photosynthesis. The photophysical properties of the two ruthenocene-C₆₀ dyads have been investigated by steady-state absorption and fluorescence, time-resolved fluorescence and nanosecond transient measurements in polar and non-polar solvents. The charge separation takes place in the ruthenocene-pyrazolino[60]fullerene more efficiently than in the ruthenocene-pyrrolidino[60]fullerene dyad. The lifetimes of the charge-separated states of the ruthenocene-pyrazolino[60]fullerene and the ruthenocene- pyrrolidino[60]fullerene dyads are 100 ns in PhCN. It was found that the ruthenocene-[60]fullerenes have an ability to prolong the charge-separated states compared with those for ferrocene-[60]fullerenes.

Original language	English
Pages (from-to)	93-101
Number of pages	9
Journal	New Journal of Chemistry
Volume	30
Issue number	1
DOIs	https://doi.org/10.1039/b509221c
Publication status	Published - 2006

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Materials Chemistry

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title = "Synthesis and photophysical properties of ruthenocene-[60]fullerene dyads",

abstract = "Two novel ruthenocene-C60 dyads, with a 2-pyrazoline ring or a pyrrolidine ring as a linker, have been synthesized with the aim of providing a simple model of natural photosynthesis. The photophysical properties of the two ruthenocene-C60 dyads have been investigated by steady-state absorption and fluorescence, time-resolved fluorescence and nanosecond transient measurements in polar and non-polar solvents. The charge separation takes place in the ruthenocene-pyrazolino[60]fullerene more efficiently than in the ruthenocene-pyrrolidino[60]fullerene dyad. The lifetimes of the charge-separated states of the ruthenocene-pyrazolino[60]fullerene and the ruthenocene- pyrrolidino[60]fullerene dyads are 100 ns in PhCN. It was found that the ruthenocene-[60]fullerenes have an ability to prolong the charge-separated states compared with those for ferrocene-[60]fullerenes.",

author = "Oviedo, {Juan Jos{\'e}} and El-Khouly, {Mohamed E.} and {De La Cruz}, Pilar and Laura P{\'e}rez and Javier Gar{\'i}n and Jes{\'u}s Orduna and Yasuyuki Araki and Fernando Langa and Osamu Ito",

year = "2006",

doi = "10.1039/b509221c",

language = "English",

volume = "30",

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journal = "New Journal of Chemistry",

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AU - Oviedo, Juan José

AU - El-Khouly, Mohamed E.

AU - De La Cruz, Pilar

AU - Pérez, Laura

AU - Garín, Javier

AU - Orduna, Jesús

AU - Araki, Yasuyuki

AU - Langa, Fernando

AU - Ito, Osamu

PY - 2006

Y1 - 2006

N2 - Two novel ruthenocene-C60 dyads, with a 2-pyrazoline ring or a pyrrolidine ring as a linker, have been synthesized with the aim of providing a simple model of natural photosynthesis. The photophysical properties of the two ruthenocene-C60 dyads have been investigated by steady-state absorption and fluorescence, time-resolved fluorescence and nanosecond transient measurements in polar and non-polar solvents. The charge separation takes place in the ruthenocene-pyrazolino[60]fullerene more efficiently than in the ruthenocene-pyrrolidino[60]fullerene dyad. The lifetimes of the charge-separated states of the ruthenocene-pyrazolino[60]fullerene and the ruthenocene- pyrrolidino[60]fullerene dyads are 100 ns in PhCN. It was found that the ruthenocene-[60]fullerenes have an ability to prolong the charge-separated states compared with those for ferrocene-[60]fullerenes.

AB - Two novel ruthenocene-C60 dyads, with a 2-pyrazoline ring or a pyrrolidine ring as a linker, have been synthesized with the aim of providing a simple model of natural photosynthesis. The photophysical properties of the two ruthenocene-C60 dyads have been investigated by steady-state absorption and fluorescence, time-resolved fluorescence and nanosecond transient measurements in polar and non-polar solvents. The charge separation takes place in the ruthenocene-pyrazolino[60]fullerene more efficiently than in the ruthenocene-pyrrolidino[60]fullerene dyad. The lifetimes of the charge-separated states of the ruthenocene-pyrazolino[60]fullerene and the ruthenocene- pyrrolidino[60]fullerene dyads are 100 ns in PhCN. It was found that the ruthenocene-[60]fullerenes have an ability to prolong the charge-separated states compared with those for ferrocene-[60]fullerenes.

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Synthesis and photophysical properties of ruthenocene-[60]fullerene dyads

Abstract

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