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|Title:||Highly fluorescent naphthalimide derivatives for two-photon absorption materials|
|Citation:||Li, J., Meng, F., Tian, H., Mi, J., Ji, W. (2005-07-05). Highly fluorescent naphthalimide derivatives for two-photon absorption materials. Chemistry Letters 34 (7) : 922-923. ScholarBank@NUS Repository. https://doi.org/10.1246/cl.2005.922|
|Abstract:||Novel multi-branched naphthalimide derivatives (TPA-NA1, TPA-NA2, and TPA-NA3) were synthesized by the Sonogashira reaction of N-butyl-4-bromo-1,8- naphthalimide with mono-, di-, and tri-ethynylated triphenylamine. The fluorescence increases with the increase of branch number and the quantum yield is as high as 0.87 for TPA-NA3 in toluene. Two-photon absorption cross sections of TPA-NA1, TPA-NA2, and TPA-NA3 were determined to be 0.42 × 10 -20 cm4/ GW, 1.4 × 10-20 cm 4/GW and 1.0 × 10-20 cm4/GW (open aperture Z-scan, 120 fs, 780 nm), respectively. Copyright © 2005 The Chemical Society of Japan.|
|Source Title:||Chemistry Letters|
|Appears in Collections:||Staff Publications|
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