Výsledky vyhledávání - "Frédéric Fages"

Effect of the electron donating group on the excited-state electronic nature and epsilon-near-zero properties of curcuminoid-borondifluoride dyes

Autor: Dandan Yao, Loic Mager, Elena Zaborova, Kyu-Ri Choi, Benoît Heinrich, Gabriel Canard, Frédéric Fages, Jean Charles Ribierre, Anthony D'Aléo, Steven Huynh, Dae Hyeon Kim, Yeon Ui Lee, Fabrice Mathevet, Jeong Weon Wu, Virginie Placide

Publikováno v: RSC Advances
RSC Advances, Royal Society of Chemistry, 2021, 11 (60), pp.38247-38257. ⟨10.1039/d1ra08025c⟩
RSC Advances, 2021, 11 (60), pp.38247-38257. ⟨10.1039/d1ra08025c⟩

Epsilon-near-zero (ENZ) properties have been reported in organic molecular films. In particular, cyanine and squaraine films have been shown to exhibit ENZ properties in the visible spectral region with a strong 3rd order nonlinear optical response n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d770c467f19969c90c0bdbedaf39e4ee
https://doi.org/10.1039/d1ra08025c

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Synthesis and Electron Accepting Properties of Two Di(benz[

Autor: Bruno, Salgues, Rudraditya, Sarkar, Muhammad Luthfi, Fajri, Yatzil Alejandra, Avalos-Quiroz, Anne-Doriane, Manick, Michel, Giorgi, Nicolas, Vanthuyne, Yannick, Carissan, Christine, Videlot-Ackermann, Jörg, Ackermann, Gabriel, Canard, Jean-Luc, Parrain, Boris, Le Guennic, Denis, Jacquemin, Muriel, Amatore, Laurent, Commeiras, Elena, Zaborova, Frédéric, Fages

Publikováno v: The Journal of organic chemistry. 87(5)

We designed and synthesized a novel di(benz[

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::310dbc78b6c1b2d986ee56cb7c6207e1
https://pubmed.ncbi.nlm.nih.gov/35176857

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Spontaneous exciton dissociation enables spin state interconversion in delayed fluorescence organic semiconductors

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
Nature Communications
Nature Communications, Nature Publishing Group, 2021, 12, ⟨10.1038/s41467-021-26689-8⟩
Nature Communications, 2021, 12, ⟨10.1038/s41467-021-26689-8⟩

Engineering a low singlet-triplet energy gap (ΔEST) is necessary for efficient reverse intersystem crossing (rISC) in delayed fluorescence (DF) organic semiconductors but results in a small radiative rate that limits performance in LEDs. Here, we st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a54c8259f3861a5fb38fb0a9e0bb040e
https://www.repository.cam.ac.uk/handle/1810/332387

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Stereoisomeric selection upon adsorption: A structural and optical study of curcuminoid derivatives on ultrathin films of KCl on Au(111) and on KCl(001) bulk

Autor: Conrad Becker, Sylvain Clair, Elena Zaborova, Alain Ranguis, Thomas Leoni, Christian Loppacher, Franck Para, Laurent Nony, Frédéric Fages

Publikováno v: Physical Review B
Physical Review B, American Physical Society, 2021, 104 (20), ⟨10.1103/PhysRevB.104.205415⟩
Physical Review B, 2021, 104 (20), ⟨10.1103/PhysRevB.104.205415⟩

We present a combined scanning tunneling microscopy (STM), noncontact atomic force microscopy (nc-AFM), and differential reflectance spectroscopy (DRS) study aiming at the characterization of the relationship between structural and optical properties

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c21bdcf8c6fd765ac94ae168c28dde2e
https://hal.archives-ouvertes.fr/hal-03424085

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Optoelectronic properties of a self-assembling rigidly-linked BF2-curcuminoid bichromophore

Autor: Claire Tonnelé, Manon Catherin, Michel Giorgi, Gabriel Canard, David Casanova, Frédéric Castet, Elena Zaborova, Frédéric Fages

Publikováno v: Dyes and Pigments
Dyes and Pigments, Elsevier, 2022, 207, pp.110677. ⟨10.1016/j.dyepig.2022.110677⟩

International audience; We describe the synthesis and spectroscopic study of the bichromophoric molecule DA-meso consisting of two boron difluoride curcuminoid (BF 2-curcuminoid) units tethered by the rigid diacetylenic bridge. This structural featur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61ffe73a12b361709ee3863234148952
https://doi.org/10.1016/j.dyepig.2022.110677

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Intramolecular electron transfer in Cu(ii) complexes with aryl-imidazo-1,10-phenanthroline derivatives: experimental and quantum chemical calculation studies

Autor: Olga A. Fedorova, Yulia A. Sotnikova, Sergey Tokarev, Frédéric Fages, E. V. Lukovskaya, François Maurel, Yury V. Fedorov, Anthony D'Aléo, Nikolay E. Shepel, Anna A. Moiseeva

Publikováno v: New Journal of Chemistry. 43:2817-2827

1H-Imidazo[4,5-f][1,10]phenanthrolines containing phenyl (1), 4-(N,N-dimethylamino)phenyl (2), 4-(azadithiacrown-ether)phenyl (3), 3,4-dimethoxyphenyl (4) and 2,2′-bithiophen-5-yl (5) were synthesized and their Cu(II) complexes were studied to dete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::719967f22923648697885fca1806b0ae
https://doi.org/10.1039/c8nj05697h

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Electro-optic effect in epsilon-near-zero organic thin films

Autor: Virginie Placide, J. W. Wu, Minjae Kim, Chantal Andraud, Jean Charles Ribierre, Benoît Heinrich, Fabrice Mathevet, Elena Zaborova, Myung Jin Shin, Kyu-Ri Choi, Anthony D'Aléo, Soo Y. Ko, Frédéric Fages

Publikováno v: Organic Photonic Materials and Devices XXIII.

Third-order nonlinear optical response is shown to be enhanced near epsilon near zero (ENZ) spectral position. Regarding the materials exhibiting ENZ property, examples are reported such as hyperbolic metamaterial, inorganic oxides, nitrides, and org

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19c7362cc2be10655062b310efd7f5db
https://doi.org/10.1117/12.2582501

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Exciton Interactions, Excimer Formation, and [2π+2π] Photodimerization in Nonconjugated Curcuminoid‐BF 2 Dimers

Autor: Olatz Uranga-Barandiaran, Frédéric Castet, Anthony D'Aléo, Elena Zaborova, Manon Catherin, David Casanova, Arnaud Brosseau, Gabriel Canard, Rémi Métivier, Frédéric Fages

Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, Wiley-VCH Verlag, 2020, 26 (17), pp.3818-3828. ⟨10.1002/chem.201905122⟩
Chemistry-A European Journal, 2020, 26 (17), pp.3818-3828. ⟨10.1002/chem.201905122⟩

International audience; We describe the synthesis of a series of covalently linked dimers of quadrupolar curcuminoid‐BF2 dyes and the detailed investigation of their solvent‐dependent spectroscopic and photophysical properties. In solvents of low

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ce7570bf42cd75bb7143814e9424615
https://hal-amu.archives-ouvertes.fr/hal-02903478

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Access to Fluorenones Using Benzocyclopentynone Surrogate as Partner for the [2 + 2 + 2] Cycloaddition Reaction

Autor: Frédéric Fages, Muriel Amatore, Jean-Luc Parrain, Elena Zaborova, Anne-Doriane Manick, Bruno Salgues, Laurent Commeiras

Publikováno v: Organic Letters
Organic Letters, American Chemical Society, 2020, 22 (5), pp.1894-1898. ⟨10.1021/acs.orglett.0c00235⟩
Organic Letters, 2020, 22 (5), pp.1894-1898. ⟨10.1021/acs.orglett.0c00235⟩

International audience; A convenient and versatile procedure for the straightforward synthesis of substituted fluorenones as valuable scaffolds is described under rhodium catalysis. The present [2 + 2 + 2] cycloaddition reaction of diynes with 3-acet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8eb2204f5e34a01dd09a61a1c63ffaea
https://hal.archives-ouvertes.fr/hal-02873529

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