Spectroscopic Investigation of the Ultrafast Photoinduced Dynamics in pi-Conjugated Terpyridines

R. Siebert, D. Akimov, M. Schmitt, A. Winter, U.S. Schubert, B. Dietzek, J. Popp

Research output: Contribution to journalArticleAcademicpeer-review

67 Citations (Scopus)

Abstract

Time-resolved spectroscopy is applied to investigate the ultrafast relaxation dynamics of several pi-conjugated mono-, bis-, tris- and tetrakis(terpyridine) derivs. This particular series of structurally closely related systems was prepd. applying efficient synthetic strategies and resembles key building blocks for a wide range of photoactive complexes, dendrimers and metallo-polymers with resulting potential applications, for example, in photovoltaics or as org. light-emitting diodes. Aiming for applications of supramol. assemblies based on these recently presented terpyridine ligands a detailed knowledge of the light-induced processes of the ligands themselves represents a prerequisite. By applying femtosecond time-resolved absorption spectroscopy in concert with time-resolved fluorescence and Raman measurements, we detail the photophys. properties. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)910-919
JournalChemPhysChem
Volume10
Issue number6
DOIs
Publication statusPublished - 2009

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