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New organic fluorophores for optical and spectroscopic applications: 2, 3- and 2, 5-distyrylfuran (CROSBI ID 541426)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

BENASSI, Enrico ; BARALDI, Ivan ; CIORBA, Serena ; ŠINDLER-KULYK, Marija ; ŠKORIĆ, Irena ; SPALLETTI, Anna New organic fluorophores for optical and spectroscopic applications: 2, 3- and 2, 5-distyrylfuran // Book of Abstracts, EUCMOS 2008, Opatija, Croatia. 2008. str. 46-46

Podaci o odgovornosti

BENASSI, Enrico ; BARALDI, Ivan ; CIORBA, Serena ; ŠINDLER-KULYK, Marija ; ŠKORIĆ, Irena ; SPALLETTI, Anna

engleski

New organic fluorophores for optical and spectroscopic applications: 2, 3- and 2, 5-distyrylfuran

The 2, 3- and 2, 5-distyrylfuran were found very stable compounds that show a strong and structured fluorescence, and therefore may be used as fluorescence probes, dye laser media, scintillators and as -core for new push-pull polyenes. The spectroscopic behaviour is similar to that of cis- ,  -diphenylpolyenes, as shown in Scheme 1 and underlined in refs. [1] and [2]. Scheme 1 In this work we investigated, from a theoretical and experimental points of view, the rotational isomerism, absorption and emission spectra, photophysics and electric properties of 2, 3- and 2, 5-distyrylfuran. The conformers of the ground electronic state have been studied by Hartree-Fock ab initio methods and Density Functional Theory. The electronic spectra have been calculated with the CS INDO S-CI and SDT-CI procedures. The spectral and photophysical behaviour was investigated by stationary and time-resolved techniques [3]. We are going to investigate distyrylfuran positional isomers bearing the two styryl groups in 2, 4- and 3, 4- positions of furan. These conjugated molecular systems are expected to display strong differences in their electronic properties. [1] I. Baraldi, G. Ginocchietti, U. Mazzucato, A. Spalletti, Chem. Phys. 337 (2007) 168. [2] I. Baraldi, E. Benassi, A. Spalletti, Spectrochim. Acta A, … (2008)… [3] I. Baraldi, E. Benassi, S. Ciorba, M. Šindler-Kulyk, I. Škorić, A. Spalletti, in preparation.

Absorption and emission spectra; Di(phenylethenyl)furans; Fluorophores; Molecular quantum mechanics; Photophysics

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Podaci o prilogu

46-46.

2008.

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objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts, EUCMOS 2008, Opatija, Croatia

Podaci o skupu

EUCMOS 2008 XXIX European Congress on Molecular Spectroscopy

poster

31.08.2008-05.09.2008

Opatija, Hrvatska

Povezanost rada

Kemija