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Issue 18, 2016
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Ultrafast spectroscopy, superluminescence and theoretical modeling of a two-photon absorbing fluorene derivative

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Abstract

A comprehensive study of photophysical and photochemical properties of an unsymmetrical fluorene derivative is presented, including linear absorption, fluorescence excitation anisotropy, photochemical stability, steady-state fluorescence, and fluorescence lifetimes in organic solvents of different polarities. Nonlinear optical properties were investigated using Z-scan measurements of degenerate two-photon absorption and femtosecond pump–probe spectroscopy. The strongly fluorescent compound exhibited good photostability, positioning it for use in a number of applications. A dramatic increase in fluorescence intensity along with spectral narrowing was observed under femtosecond pumping, demonstrating amplified spontaneous emission. An extensive set of experimental data is rationalized based on essential state models.

Graphical abstract: Ultrafast spectroscopy, superluminescence and theoretical modeling of a two-photon absorbing fluorene derivative

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The article was received on 29 Feb 2016, accepted on 04 Apr 2016 and first published on 06 Apr 2016


Article type: Paper
DOI: 10.1039/C6CP01393G
Author version available: Download Author version (PDF)
Citation: Phys. Chem. Chem. Phys., 2016,18, 12839-12846
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    Ultrafast spectroscopy, superluminescence and theoretical modeling of a two-photon absorbing fluorene derivative

    S. A. Kurhuzenkau, A. W. Woodward, S. Yao, K. D. Belfield, Y. O. Shaydyuk, C. Sissa, M. V. Bondar and A. Painelli, Phys. Chem. Chem. Phys., 2016, 18, 12839
    DOI: 10.1039/C6CP01393G

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