CT−CT Annihilation in Rigid Perylene End-Capped Pentaphenylenes | Zendy

Eduard Fron | Zendy; Toby D. M. Bell | Zendy; Antoine Van Vooren | Zendy; Gerd Schweitzer | Zendy; Jérôme Cornil | Zendy; David Beljonne | Zendy; P. Toele | Zendy; Josemon Jacob | Zendy; Kläus Müllen | Zendy; Johan Hofkens | Zendy; Mark Van der Auweraer | Zendy; Frans C. De Schryver | Zendy

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CT−CT Annihilation in Rigid Perylene End-Capped Pentaphenylenes

Author(s) -

Eduard Fron,

Toby D. M. Bell,

Antoine Van Vooren,

Gerd Schweitzer,

Jérôme Cornil,

David Beljonne,

P. Toele,

Josemon Jacob,

Kläus Müllen,

Johan Hofkens,

Mark Van der Auweraer,

Frans C. De Schryver

Publication year - 2006

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja064794e

Subject(s) - perylene , chemistry , annihilation , femtosecond , photochemistry , excitation , polar , ultrafast laser spectroscopy , charge (physics) , molecular physics , absorption (acoustics) , chemical physics , atomic physics , molecule , optics , organic chemistry , laser , physics , electrical engineering , quantum mechanics , astronomy , engineering

The time-dependent spectral properties of a rigid, extended system consisting of three pentaphenylene units end-capped with perylene monoimide were investigated in detail by femtosecond transient absorption and single photon timing measurements. In polar solvents, the molecular system shows the occurrence of photoinduced charge transfer. Upon gradually increasing the excitation power, annihilation involving two states with charge-transfer character has been observed. Quantum-chemical calculations performed on the system consisting of two pentaphenylene units end-capped with perylene monoimide strongly support the experimental data.

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