16 February 2017 Change of electric dipole moment in charge transfer transitions of ferrocene oligomers studied by ultrafast two-photon absorption
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Abstract
Change of permanent electric dipole moment in the lower-energy charge transfer transitions for a series of symmetrical and non-symmetrical ferrocene-phenyleneethynylene oligomers were studied by measuring the corresponding femtosecond two-photon absorption cross section spectra, and were determined to be in the range Δμ = 3 – 10 D. Quantum-chemical calculations of Δμ for the non-symmetrical oligomers show good quantitative agreement with the experimental results, thus validating two-photon absorption spectroscopy as a viable experimental approach to study electrostatic properties of organometallics and other charge transfer systems.
Conference Presentation
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Alexander Mikhaylov, Alexander Mikhaylov, Eduardo Arias, Eduardo Arias, Ivana Moggio, Ivana Moggio, Ronald Ziolo, Ronald Ziolo, Merle Uudsemaa, Merle Uudsemaa, Aleksander Trummal, Aleksander Trummal, Thomas Cooper, Thomas Cooper, Aleksander Rebane, Aleksander Rebane, } "Change of electric dipole moment in charge transfer transitions of ferrocene oligomers studied by ultrafast two-photon absorption", Proc. SPIE 10101, Organic Photonic Materials and Devices XIX, 1010117 (16 February 2017); doi: 10.1117/12.2249773; https://doi.org/10.1117/12.2249773
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