Zobrazeno 1 - 10
of 145
pro vyhledávání: '"David Loffreda"'
Autor:
Jerome Vernieres, Nathalie Tarrat, Sean Lethbridge, Erica Watchorn-Rokutan, Thomas Slater, David Loffreda, Richard E. Palmer
Publikováno v:
Communications Chemistry, Vol 6, Iss 1, Pp 1-5 (2023)
The atomic structures of metallic nanoparticles dictate their chemical and physical properties, making their structural study under different chemical environments of importance. Here, electron microscopy finds that silver nanoparticles primarily ado
Externí odkaz:
https://doaj.org/article/78bedc34a6da4a9d80f53e2afda7e6a4
Autor:
Corinne Lacaze-Dufaure, Yann Bulteau, Nathalie Tarrat, David Loffreda, Pierre Fau, Katia Fajerwerg, Myrtil L. Kahn, Franck Rabilloud, Christine Lepetit
Publikováno v:
Inorganic Chemistry
Inorganic Chemistry, 2022, 61 (19), pp.7274-7285. ⟨10.1021/acs.inorgchem.1c03870⟩
Inorganic Chemistry, 2022, 61 (19), pp.7274-7285. ⟨10.1021/acs.inorgchem.1c03870⟩
International audience; Amine ligands are expected to drive the organization of metallic centers as well as the chemical reactivity of silver clusters early growing during the very first steps of the synthesis of silver nanoparticles via an organomet
Autor:
Agustin Salcedo, Deniz Zengel, Florian Maurer, Maria Casapu, Jan‐Dierk Grunwaldt, Carine Michel, David Loffreda
Publikováno v:
Small
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8875e4adcf224c99c4159bbc1098a81
https://publikationen.bibliothek.kit.edu/1000158495/150717627
https://publikationen.bibliothek.kit.edu/1000158495/150717627
Publikováno v:
ChemCatChem. 14
Autor:
Jerome Vernieres, Nathalie Tarrat, Sean Lethbridge, Erica Watchorn-Rokutan, Sarah Stock, Thomas Slater, David Loffreda, Richard Palmer
Silver clusters up to 1000 atoms in size, on an amorphous carbon film, have been exposed to ambient air and investigated by atomic resolution imaging in the aberration-corrected Scanning Transmission Electron Microscope (ac-STEM). Ordered structures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8ba6b7a2963598671c88f5729fcb383
https://doi.org/10.21203/rs.3.rs-1853959/v1
https://doi.org/10.21203/rs.3.rs-1853959/v1
Autor:
Mathilde Iachella, Adnene Dhouib, Francesco Di Renzo, Marwa Dhifallah, Hazar Guesmi, David Loffreda
Publikováno v:
Journal of Physical Chemistry C
Journal of Physical Chemistry C, 2019, 123 (8), pp.4892-4902. ⟨10.1021/acs.jpcc.8b11812⟩
Journal of Physical Chemistry C, American Chemical Society, 2019, 123 (8), pp.4892-4902. ⟨10.1021/acs.jpcc.8b11812⟩
Journal of Physical Chemistry C, 2019, 123 (8), pp.4892-4902. ⟨10.1021/acs.jpcc.8b11812⟩
Journal of Physical Chemistry C, American Chemical Society, 2019, 123 (8), pp.4892-4902. ⟨10.1021/acs.jpcc.8b11812⟩
International audience; The role of the support anatase TiO2(100) and rutile TiO2(110) on the energetics, the shape and the charge transfer of deposited CuAu nanoclusters ( 1 nm) has been examined by using density functional theory calculations in
Publikováno v:
Journal of Catalysis
Journal of Catalysis, Elsevier, 2021, 395, pp.136-142. ⟨10.1016/j.jcat.2020.12.026⟩
Journal of Catalysis, 2021, 395, pp.136-142. ⟨10.1016/j.jcat.2020.12.026⟩
Journal of Catalysis, Elsevier, 2021, 395, pp.136-142. ⟨10.1016/j.jcat.2020.12.026⟩
Journal of Catalysis, 2021, 395, pp.136-142. ⟨10.1016/j.jcat.2020.12.026⟩
The arduous modelling of reactions at heterogeneous catalysts is greatly simplified when adsorption-energy scaling relations between intermediates exist. The offset of these linear relations is structure-independent when the slope is unity and otherw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e87caeb5a3bbba888d39a76d04447440
https://hal.archives-ouvertes.fr/hal-03414137/document
https://hal.archives-ouvertes.fr/hal-03414137/document
Autor:
Floriane Poignant, Hela Charfi, Chen-Hui Chan, Elise Dumont, David Loffreda, Benoit Gervais, Michaël Beuve
Publikováno v:
Radiation Physics and Chemistry
Radiation Physics and Chemistry, Elsevier, 2021, 179, pp.109161. ⟨10.1016/j.radphyschem.2020.109161⟩
Radiation Physics and Chemistry, 2021, 179, pp.109161. ⟨10.1016/j.radphyschem.2020.109161⟩
Radiation Physics and Chemistry, Elsevier, 2021, 179, pp.109161. ⟨10.1016/j.radphyschem.2020.109161⟩
Radiation Physics and Chemistry, 2021, 179, pp.109161. ⟨10.1016/j.radphyschem.2020.109161⟩
International audience; Highlights• We calculated radical production around gold/water nanoparticle (GNP/WNP) in water.• Calculations were performed for single keV photon absorption.• In the micrometer range, radicals are overproduced by GNP co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58b91294ab55bfd9b800d784697de7fa
https://hal.archives-ouvertes.fr/hal-03029595
https://hal.archives-ouvertes.fr/hal-03029595
Autor:
Chen-Hui Chan, Floriane Poignant, Andrei Ipatov, David Loffreda, Michael Beuve, Elise Dumont, Benoit Gervais, Ricardo Martins Ramos
Publikováno v:
Eur.Phys.J.Plus
Eur.Phys.J.Plus, 2021, 136 (3), pp.345. ⟨10.1140/epjp/s13360-021-01318-x⟩
Eur.Phys.J.Plus, 2021, 136 (3), pp.345. ⟨10.1140/epjp/s13360-021-01318-x⟩
International audience; In a previous work, we extended and benchmarked the MDM Monte Carlo code with available data for gold metallic media irradiated by electron beams. In this paper, we worked with the aim of improving the cross sections on which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9286c46b134e487ef5bde0e2fdbf6640
https://hal.archives-ouvertes.fr/hal-03186180/file/EPJP-136_2021-344_preprint.pdf
https://hal.archives-ouvertes.fr/hal-03186180/file/EPJP-136_2021-344_preprint.pdf
Publikováno v:
Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2021, 12 (15), pp.3705-3711. ⟨10.1021/acs.jpclett.1c00259⟩
Journal of Physical Chemistry Letters, 2021, 12 (15), pp.3705-3711. ⟨10.1021/acs.jpclett.1c00259⟩
Journal of Physical Chemistry Letters, American Chemical Society, 2021, 12 (15), pp.3705-3711. ⟨10.1021/acs.jpclett.1c00259⟩
Journal of Physical Chemistry Letters, 2021, 12 (15), pp.3705-3711. ⟨10.1021/acs.jpclett.1c00259⟩
International audience; Scanning transmission electron microscopy experiments indicate that face-centered cubic (FCC) is the predominant ordered structure for Ag309 ± 7 nanoclusters, synthesized in vacuum. Historically, experiments do not present a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80ad96055f935350071a51173d351fb5
https://hal.archives-ouvertes.fr/hal-03414147/document
https://hal.archives-ouvertes.fr/hal-03414147/document