Titre :

Isotope Exchange Raman Spectroscopy (IERS): A Novel Technique to Probe Physicochemical Processes in situ

Auteur(s) :

Stangl, Alexander [Auteur]
Laboratoire des matériaux et du génie physique [LMGP ]
Pla, Dolors [Auteur]
Laboratoire des matériaux et du génie physique [LMGP ]
Pirovano, Caroline [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Chaix-Pluchery, Odette [Auteur]
Laboratoire des matériaux et du génie physique [LMGP ]
Baiutti, Federico [Auteur]
Catalonia Institute for Energy Research [IREC]
National Institute of Chemistry [Llubljana] [KI]
Chiabrera, Francesco [Auteur]
Catalonia Institute for Energy Research [IREC]
Jiménez, Carmen [Auteur]
Laboratoire des matériaux et du génie physique [LMGP ]
Mermoux, Michel [Auteur]
Laboratoire d'Electrochimie et de Physico-chimie des Matériaux et des Interfaces [LEPMI ]
Burriel, Mónica [Auteur]
Laboratoire des matériaux et du génie physique [LMGP ]

Titre de la revue :

Advanced Materials

Nom court de la revue :

Adv Materials Inter

Numéro :

35

Pagination :

e2303259

Éditeur :

Wiley-VCH Verlag

Date de publication :

2023-06-02

ISSN :

1521-4095

Mot(s)-clé(s) en anglais :

energy applications
functional oxides
in situ methodology
oxygen isotope exchange
Raman spectroscopy
surface kinetics
tracer diffusion

Discipline(s) HAL :

Chimie/Chimie inorganique
Chimie/Matériaux

Résumé en anglais : [en]

A novel in situ methodology for the direct study of mass-transport properties in oxides with spatial and unprecedented time resolution, based on Raman spectroscopy coupled to isothermal isotope exchanges, is developed. ...
Lire la suite >A novel in situ methodology for the direct study of mass-transport properties in oxides with spatial and unprecedented time resolution, based on Raman spectroscopy coupled to isothermal isotope exchanges, is developed. Changes in the isotope concentration, resulting in a Raman frequency shift, can be followed in real time, which is not accessible by conventional methods, enabling complementary insights for the study of ion-transport properties of electrode and electrolyte materials for advanced solid-state electrochemical devices. The proof of concept and strengths of isotope exchange Raman spectroscopy (IERS) is demonstrated by studying the oxygen isotope back-exchange in gadolinium-doped ceria (CGO) thin films. Resulting oxygen self-diffusion and surface exchange coefficients are compared to conventional time-of-flight secondary-ion mass spectrometry (ToF-SIMS) characterization and literature values, showing good agreement, while at the same time providing additional insight, challenging established assumptions. IERS captivates through its rapidity, simple setup, non-destructive nature, cost effectiveness, and versatile fields of application and thus can readily be integrated as new standard tool for in situ and operando characterization in many laboratories worldwide. The applicability of this method is expected to consolidate the understanding of elementary physicochemical processes and impact various emerging fields including solid oxide cells, battery research, and beyond.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Projet ANR :

Matériaux alternatifs à base de perovskite pour mémoires ReRAM: compréhension et modulation de la commutation résistive

Autre(s) projet(s) ou source(s) de financement :

European Union's Horizon 2020 research and innovation program under grant agreement no. 824072 (Harvestore)
European Union's Horizon 2020 research and innovation program under grant agreement no. 101017709 (EPISTORE)
Marie Skłodowska-Curie grant agreements no. 840787 (Thin-CATALYzER) (for F.B)
Marie Skłodowska-Curie grant agreements no. 746648 (PerovSiC) (for D.P.)
Chevreul Institute (FR 2638)
Ministère de l'Enseignement Supérieur et de la Recherche
Région Hauts de France
FEDER

Établissement(s) :

Université de Lille
CNRS
Centrale Lille
ENSCL
Univ. Artois

Collections :

• Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Équipe(s) de recherche :

Matériaux inorganiques, structures, systèmes et propriétés (MISSP)

Date de dépôt :

2023-11-23T01:23:17Z
2023-12-01T09:04:43Z