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1 article(s) from Barsella, Alberto

Styryl-based new organic chromophores bearing free amino and azomethine groups: synthesis, photophysical, NLO, and thermal properties

Anka Utama Putra,
Deniz Çakmaz,
Nurgül Seferoğlu,
Alberto Barsella and
Zeynel Seferoğlu

Beilstein J. Org. Chem. 2020, 16, 2282–2296, doi:10.3762/bjoc.16.189

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Scheme 1: Synthetic pathways of dyes 3–7 and Schiff base analogs 8–12.

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Figure 1: The optimized geometry of dyes 3 and 8.

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Figure 2: Absorption spectra of dyes 3 (a, left) and 8 (b, right). Inset: Color of dyes 3 and 8 in the given ...

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Figure 3: Emission spectra of dyes 3 (a, left) and 8 (b, right). Inset: Color of dyes 3 and 8 in the indicate...

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Figure 4: Red shift phenomena with changing substituents in absorption (a, left) and emission (b, right) spec...

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Figure 5: Absorption (a, left) and emission (b, right) change of dye 12 upon addition of 15 equiv of TBAOH an...

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Figure 6: Photographs of dye 12 (left, ambient light), without, after the addition of 15 equiv of TBAOH (midd...

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Figure 7: Absorption (a, left) and emission (b, right) change of 8 in Britton–Robinson buffer solutions at di...

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Figure 8: Photographs of dye 8 in Britton–Robinson buffer solutions at different pH values.

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Figure 9: Sigmoid function obtained from dye 8 UV–vis absorption spectra during pH investigation.

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Figure 10: TGA curves of all synthetized dyes.

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Published 14 Sep 2020

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