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Filename: drivers/Session_files_driver.php
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En ajustant les polyoxométalates dans les mêmes systèmes de réaction POM / Cu / terpyridine, trois nouveaux matériaux solides hybrides organiques-inorganiques à base de complexes Cu-terpyridine, [Cu3 (tpy) 3 (H2O) 2 (HPMoVI8VIV4O40 (VIVO) 2]] .2H2O (1), Cu5 (tpy) 5 (H2O) 2 (alpha-PW12O40) 2 (2) et [Cu3 (tpy) 3 (H2O) 4 (alpha-P2W18O62)]. 4H2O (3) (tpy = 2,2 ': 6', 2 '' - terpyridine) ont été préparés en utilisant des méthodes à un pot. Les analyses structurelles aux rayons X montrent que les composés 1 à 3 à structure de chaîne 1D construits à partir de complexes Cu / tpy ont été modifiés à l'aide de POM à double coiffe Keggin, Keggin et Wells-Dawson. Les composés 1 à 3 ont été fabriqués en une électrode en pâte de carbone modifiée en vrac pour explorer les propriétés électrochimiques. La voltamétrie cyclique démontre des activités électro-catalytiques à double fonction et discordantes vers la réduction du nitrite et l’oxydation de l’acide ascorbique en raison de variantes de POM. Les résultats montrent que l'hybride de type PW12-Keggin présente une meilleure performance électrocatalytique à double fonction que les hybrides bi-coiffés Keggin et Wells-Dawson pour la réduction du nitrite et l'oxydation de l'acide ascorbique.
Source: https://www.ncbi.nlm.nih.gov/pubmed/30702727