X‐Ray‐Induced Growth Dynamics of Luminescent Silver Clusters in Zeolites

Accès libre Peer reviewed | |
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Version acceptée pour publication (post-print auteur) | |
Paternité - Pas d'utilisation commerciale [CC] [BY] [NC] ![]() |
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Auteurs |
Olivier Fenwick Eduardo Coutiño‐Gonzalez Fanny Richard Sara Bonacchi Wouter Baekelant Dirk Vos Maarten B. J. Roeffaers Johan Hofkens Paolo Samori |
Unité de recherche du site |
Institut de Science et d'Ingénierie Supramoléculaires - ISIS - UMR7006 |
Langue |
en |
Volume |
16 |
Numéro |
26 |
Page de début |
2002063 |
Date de première publication |
2020-06-02 |
ISSN |
1613-6810 |
Titre de la source (revue, livre…) |
Small |
Résumé |
Herein, AlKα X‐rays are used to drive the growth of luminescent silver clusters in zeolites. The growth of the silver species is tracked using Auger spectroscopy and fluorescence microscopy, by monitoring the evolution from their ions to luminescent Show moreHerein, AlKα X‐rays are used to drive the growth of luminescent silver clusters in zeolites. The growth of the silver species is tracked using Auger spectroscopy and fluorescence microscopy, by monitoring the evolution from their ions to luminescent clusters and then metallic, dark nanoparticles. It is shown that the growth rate in different zeolites is determined by the mobility of the silver ions in the framework and that the growth dynamics in calcined samples obeys the Hill–Langmuir equation for noncooperative binding. Comparison of the optical properties of X‐ray‐grown silver clusters with silver clusters formed by standard heat treatment indicates that the latter have a higher specificity toward the formation of luminescent clusters of a specific (small) nuclearity, whereas the former produce a wide distribution of cluster species as well as larger nanoparticles. Show less |
DOI | 10.1002/smll.202002063 |
Titre abrégé de la source |
Small |
Type de publication |
ACL |
Domaine |
Chimie/Matériaux |
Unité de recherche extérieure au site |
Centro de Investigaciones en Óptica A. C. Loma del Bosque 115, Colonia Lomas, del Campestre León Guanajuato 37150 Mexico |
Fonction |
aut |
Identifiant idREF |
109288335 |
Audience |
International |
Envoyer vers HAL |
5 |
URL | https://univoak.eu/islandora/object/islandora:96611 |