Ultrafast formation of exciplex species in dicyanoanthracene ZSM-5 revealed by transient emission and vibrational spectroscopy

Autor: Lucie Duplouy, Matthieu Hureau, Aurélien Moncomble, Svetlana Mintova, Olivier Gardoll, Alain Moissette, Vincent De Waele

Publikováno v: The European Physical Journal. Special Topics
The European Physical Journal. Special Topics, 2023, The European Physical Journal. Special Topics, ⟨10.1140/epjs/s11734-023-00813-9⟩

International audience; The photo-physical properties of dicyanoanthracene (DCA) molecules adsorbed on the external surface of ZSM-5 zeolite, forming DCA@ZSM-5 composites, have been investigated by picosecond transient emission, femtosecond transient

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7c1c863481c50e10a14681d9a02b52
https://doi.org/10.1140/epjs/s11734-023-00813-9

Electronic absorption energy and structure relationship in polycyclic aromatic hydrocarbon dimers

Autor: Luc Labarrière, Aurélien Moncomble, Xavier Mercier, Jean-Paul Cornard

Publikováno v: Rencontres de Chimie-Physique
Rencontres de Chimie-Physique, Sep 2021, Sète, France
HAL

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c1090fb7dad4e6a2f02603a502ee3476
https://hal.science/hal-03417438

pH dependency of the structural and photophysical properties of the atypical 2′,3-dihydroxyflavone

Autor: Luc Labarrière, Aurélien Moncomble, Jean-Paul Cornard

Publikováno v: RSC Advances
RSC Advances, 2020, 10 (58), pp.35017-35030. ⟨10.1039/D0RA06833K⟩
RSC Advances, Royal Society of Chemistry, 2020, 10 (58), pp.35017-35030. ⟨10.1039/D0RA06833K⟩

2′,3-Dihydroxyflavone (2′3HF) is a natural flavonol that has barely ever been studied, however the scarce studies of its physico-chemical properties have highlighted its atypical behaviour. We present a structural and spectral study of 2′3HF, p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2635e083ce3b266ff30236c12078a8e7
https://hal.science/hal-02963297

Spectroscopic and theoretical study of the pH effect on the optical properties of the calcium–morin system

Autor: Diksha Jani Thaviligadu, Luc Labarrière, Aurélien Moncomble, Jean-Paul Cornard

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-...]
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], Elsevier, 2020, 225, pp.117492. ⟨10.1016/j.saa.2019.117492⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2020, 225, pp.117492. ⟨10.1016/j.saa.2019.117492⟩

Morin (2-(2,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one) is an abundant flavonoid with various pharmacological and biological activities. Considering the ubiquitous presence of calcium cations in biological systems, it seems relevant to study th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91c5e1a0fe20c8c19431b9f6902ee03a
https://hal.archives-ouvertes.fr/hal-02963036

Chalcogen substitution: Effect of oxygen-by-sulfur exchange on structural and spectroscopic properties of flavonols

Autor: Jean-Paul Cornard, C. Falantin, Annaïg Le Person, Aurélien Moncomble

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-...]
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], Elsevier, 2017, 187, pp.49-60. ⟨10.1016/j.saa.2017.06.022⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2017, 187, pp.49-60. ⟨10.1016/j.saa.2017.06.022⟩

International audience; Quantum chemical calculations using density functional theory have revealed that the substitution of the ketone group by a thioketone one doesn't significantly change the structure of 3-hydroxyflavone. Notably, the strong intr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::310e6187cbd25fcce37a0a0ccdc111c9
https://hal.archives-ouvertes.fr/hal-01579861