Výsledky vyhledávání - "Yohan Cheret"

Enhanced nonlinearities in hybrid structure based on nanoporous membrane and a metallohelicate with promising application in nanophotonics and NLO

Autor: Karolina Waszkowska, Yohan Cheret, Dominique Guichaoua, Théo Travers, Abdelkrim El-Ghayoury, Denis Gindre, Petra Göring, Monika Lelonek, Anatoliy Andrushchak, Irina Goncharova, Bouchta Sahraoui

Publikováno v: Optics Letters. 48:2897

The main purposes of this work are designing new hybrid structures based on alumina nanoporous membranes with specific metallosupramolecular structure as well as studies of their usefulness in nonlinear optics (NLO). The NLO studies of the hybrid mat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::839c8b7db8f07bbf509670b5a80fcdf3
https://doi.org/10.1364/ol.487756

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Photoluminescence and nonlinear optical properties of triple stranded helicates based metallo-supramolecular architectures

Autor: A. Korcala, K. Waszkowska, Yohan Cheret, Anna Migalska-Zalas, J. Strzelecki, Abdelkrim El-Ghayoury, Bouchta Sahraoui, Anna Zawadzka

Publikováno v: Dyes and Pigments
Dyes and Pigments, Elsevier, 2021, 186, pp.109036-. ⟨10.1016/j.dyepig.2020.109036⟩

The present work is dedicated to the investigation of the linear and nonlinear optical properties of triple stranded metallohelicates in both solid state and in solution. The studied metallohelicates are obtained by a self-assembly process involving

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d74ece760feba6e0d0288e8b3e278505
https://hal.archives-ouvertes.fr/hal-03492998

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Thiophene-Based Molecular Materials for Nonlinear Optics

Autor: Jaroslaw Mysliwiec, A. Ayadi, Abdelkrim El-Ghayoury, Yohan Cheret, Bouchta Sahraoui, Adam Szukalski, Anna Popczyk

Publikováno v: ICTON

In this paper, we describe the synthesis of a thiophene-based donor- $\pi$ -acceptor system, namely (E)-2-(4-nitrostyryl)-5-phenylthiophene (Th-CN 2 ), which was prepared under basic conditions as previously described in the literature. This thiophen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57831b71f850756cebfd9c903ec13827
https://doi.org/10.1109/icton51198.2020.9203416

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Photoactivated Refractive Index Anisotropy in Fluorescent Thiophene Derivatives

Autor: Karolina A. Haupa, Raphael Hue, Yohan Cheret, Jaroslaw Mysliwiec, Andrea Camposeo, A. Adamow, Adam Szukalski, Dario Pisignano, Abdelkrim El-Ghayoury, Bouchta Sahraoui

Publikováno v: The Journal of Physical Chemistry C
Journal of physical chemistry. C 124 (2020): 25465–25472. doi:10.1021/acs.jpcc.0c07455
info:cnr-pdr/source/autori:Szukalski, Adam; Haupa, Karolina A.; Adamow, Alina; Cheret, Yohan; Hue, Raphael; El-Ghayoury, Abdelkrim; Sahraoui, Bouchta; Pisignano, Dario; Mysliwiec, Jaroslaw; Camposeo, Andrea/titolo:Photoactivated Refractive Index Anisotropy in Fluorescent Thiophene Derivatives/doi:10.1021%2Facs.jpcc.0c07455/rivista:Journal of physical chemistry. C/anno:2020/pagina_da:25465/pagina_a:25472/intervallo_pagine:25465–25472/volume:124
The Journal of Physical Chemistry. C, Nanomaterials and Interfaces

The optical control of anisotropy in materials is highly advantageous for many technological applications, including the real-time modulation of another light signal in photonic switches and sensors. Here, we introduce three thiophene derivatives wit

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Tailoring the acceptor moiety of novel thiophene-based chromophores: Conjoined experimental and theoretical study on the nonlinear optical properties

Autor: Yohan Cheret, Anna Popczyk, Abdelkrim El-Ghayoury, Bouchta Sahraoui, Jarosław Myśliwiec, Anna Grabarz

Publikováno v: Dyes and Pigments. 196:109789

In this paper, we present a series of thiophene derivatives (ThD) with a schematic structure of D-π-A, in which we investigated the impact of the acceptor moiety design on nonlinear optical (NLO) properties. All molecules contain benzothiophene as a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59ec4baa442b654abff9e5aa219aea5d
https://doi.org/10.1016/j.dyepig.2021.109789

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Tunable photophysical properties of thiophene based chromophores: a conjoined experimental and theoretical investigation

Autor: Abdelkrim El-Ghayoury, Anna Grabarz, Bouchta Sahraoui, Lech Sznitko, Piotr Hanczyc, Piotr Fita, Yohan Cheret, Jaroslaw Mysliwiec, Anna Popczyk

Publikováno v: New Journal of Chemistry
New Journal of Chemistry, Royal Society of Chemistry, 2019, 43 (17), pp.6728-6736. ⟨10.1039/c9nj00575g⟩
New Journal of Chemistry, Royal Society of Chemistry, 2019, 43 (17), pp.6728-6736. ⟨10.1039/C9NJ00575G⟩

In this paper we report the synthesis and photophysical properties of six novel thiophene derivatives (ThD) with D–π–A structure. The subject of this work is three nitrophenyls (1) BT-Th-NO2 and three benzonitriles (2) BT-Th-CN, substituted at d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09a50406b6825e7ba55b0a6e1b373a63
https://hal.univ-angers.fr/hal-02886188

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Solvatochromic fluorophores based on thiophene derivatives for highly-precise water, alcohols and dangerous ions detection

Autor: Yohan Cheret, Anna Popczyk, Abdelkrim El-Ghayoury, Bouchta Sahraoui, Jaroslaw Mysliwiec

Publikováno v: Dyes and Pigments
Dyes and Pigments, Elsevier, 2020, 177, pp.108300. ⟨10.1016/j.dyepig.2020.108300⟩

In this paper we report on synthesis and sensing properties of novel thiophene derivatives representing typical push-pull molecules with D-π-A structure. As an electron-donating group we used benzothiophene and various positions of cyano and nitro g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5db9b2357d49c6783f9b1b6ee56258a6
https://doi.org/10.1016/j.dyepig.2020.108300

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Zinc and copper complexes of stilbene iminopyridine ligands with eta 2-Olefin binding mode

Autor: Abdelkrim El-Ghayoury, Yohan Cheret, Mohamed-Ali Benmensour, Abdou Boucekkine, Awatef Ayadi

Publikováno v: Journal of Organometallic Chemistry
Journal of Organometallic Chemistry, Elsevier, 2018, 858, pp.14-22. ⟨10.1016/j.jorganchem.2018.01.002⟩
Journal of Organometallic Chemistry, 2018, 858, pp.14-22. ⟨10.1016/j.jorganchem.2018.01.002⟩

International audience; Two stilbene based iminopyridine ligands (L1-L2) synthesized by a condensation reaction between N, N-Dimethyl-4,4'-azodianiline and 2-pyridinecarboxaldehyde or 2,6-pyridinedicarboxaldehyde, with 73% and 65% yield, are describe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdd6b3481c2136fdf496ba9f599dd847
https://hal-univ-rennes1.archives-ouvertes.fr/hal-01737370

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