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

Year: 2016
Type: article
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.
DOI: 10.1039/c6cp01393g
Authors: S. A. Kurhuzenkau, A. W. Woodward, S. Yao, K. D. Belfield, Y. O. Shaydyuk, C. Sissa, M. V. Bondar, A. Painelli
Institutions: University of Parma, University of Central Florida, New Jersey Institute of Technology, University Heights Center, National Academy of Sciences of Ukraine, Institute of Physics
Language: English
Open Access status: green
OpenAlex ID: W2317524889
FWCI: 1.125
Cites: 50
Cited by: 12
Related to: 10