TIME-RESOLVED RESONANCE RAMAN SPECTROSCOPY OF EXCITED TRIPLET STATES OF DIPHENYLPOLYENES

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1984

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Ohio State University

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The lowest triplet states (T1) of 1, 6-diphenylhexatriene (DPH) and 1, 8 diphenyloctatetraene (DPO) were prepared photo-chemically by energy transfer from the anthracene triplet state. The T1 Raman spectra were generated by excitation in resonance with the strong T1→Tn absorptions in the region 420-440 nm (ε∼105M−1cm−1). The growth and decay of the triplet population, spectral characteristics and structural implications will be discussed.

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Author Institution: Radiation Laboratory and Department of Chemistry, University of Notre Dame

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http://hdl.handle.net/1811/16742

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1980-1989