期刊
APPLIED OPTICS
卷 60, 期 25, 页码 G199-G206出版社
OPTICAL SOC AMER
DOI: 10.1364/AO.427968
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- Air Force Research Laboratory [FA8650-16-D-5402-0001]
- Air Force Office of Scientific Research (AFOSR) [9550-19-1-18RX056, FA955018-1-0247]
This study utilized the two-photon excited fluorescence method to determine the two-photon absorption cross sections of gold(I) complexes in the visible wavelength range from 570 to 700 nm, revealing moderate 2PA cross sections. Ancillary ligand substitutions did not significantly affect the 2PA magnitudes, making these complexes potential nonlinear optical materials for two-photon absorption applications.
We use the two-photon excited fluorescence method to determine the two-photon absorption (2PA) cross sections of three series of (fluorenyl benzothiazole) gold(I) complexes in the visible wavelength range from 570 to 700 nm. We compare the effect of ancillary ligand substitutions on the 2PA magnitudes and find that the ancillary ligand does not drastically affect either the magnitude or the shape of 2PA. Even so, moderate 2PA cross sections were measured that ranged from 10 to 1000 s of GM (Goppert-Mayer, = 10(-50) cm(4)s/photon), making these types of complexes nonlinear optical materials for two-photon absorbing applications. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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