Novel 1-and 9-aminoanthracene/3-aminobenzanthrone bichromophores exhibiting through-bond excitation energy transfer

被引：2

作者：

Almonasy, Numan ^{[1
]}

Prichystalova, Hana ^{[1
]}

Nepras, Milos ^{[1
]}

Bures, Filip ^{[1
]}

Michl, Martin ^{[2
]}

Cermak, Jiri ^{[3
]}

Grampp, Guenter ^{[4
]}

机构：

[1] Univ Pardubice, Fac Chem Technol, Inst Organ Chem & Technol, CZ-53210 Pardubice, Czech Republic

[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Phys Elect, CZ-18000 Prague, Czech Republic

[3] Vyzkumny Ustav Organickych Syntez, CZ-53354 Rybitvi, Czech Republic

[4] Graz Univ Technol, Inst Phys & Theoret Chem, A-8010 Graz, Austria

来源：

DYES AND PIGMENTS | 2015年 / 118卷

关键词：

Bichromophores; Absorption; Fluorescence quenching; Energy transfer; Semiempirical calculations; Through-bond; FLUORESCENCE; BEARING; DYES;

D O I：

10.1016/j.dyepig.2015.03.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

New 1/9- aminoanthracene-triazine-3-aminobenzanthrone bichromophores for the study of excitation energy transfer were synthesized and characterised. Absorption and emission spectra and fluorescence quantum yields were measured. Equilibrium ground state conformations and singlet electronic excited states characteristics were calculated at semiempirical level. A decrease of qF in polar solvents may be explained by the CT state connected with electron transfer from the HOMO localized on the donor to the LUMO spread over the acceptor. A highly efficient energy transfer mediated by through-bond mechanism was observed for all compounds. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：183 / 191

页数：9

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