Nano-particles (NPs) of WO3-type compounds by polyol route with enhanced electrochromic properties
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| hal.structure.identifier | Centre d'Optique, Photonique et Laser [COPL] | |
| dc.contributor.author | BOURDIN, Marie | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | MJEJRI, Issam | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | ROUGIER, Aline | |
| hal.structure.identifier | Plateforme Aquitaine de Caractérisation des Matériaux [PLACAMAT] | |
| dc.contributor.author | LABRUGÈRE, Christine | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | CARDINAL, Thierry | |
| hal.structure.identifier | Centre d'Optique, Photonique et Laser [COPL] | |
| dc.contributor.author | MESSADDEQ, Younès | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GAUDON, Manuel | |
| dc.date.issued | 2020-05 | |
| dc.identifier.issn | 0925-8388 | |
| dc.description.abstractEn | Tungsten trioxide, synthetized as nanoparticles (NPs), then shaped as thin or thick films, has attracted considerable attention as a typical electrochromic material. Herein, the synthesis of WO3 nanoparticles by the polyol process followed or not by heat-treatments under air or argon, has allowed us to compare the electrochromic activity of powders with different morphologies and oxygen-deficiencies. Only the finest particles associated with pseudo-cubic structure due to a large oxygen-deficiency - on the contrary to the larger particles with standard monoclinic structure and W/O stoichiometric ratio - lead to films showing intense electrochromic color change from a whitish (bleached state) to a dark blue (colored state). Additionally, the as-prepared films exhibit quite fast electrochromic performance and satisfying cycling stability. The sub-stoichiometric nanoparticles prepared from polyol synthesis are of great potential for electrochromic applications. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | Nanocrystalline | |
| dc.subject.en | Electrochromism | |
| dc.subject.en | Polyol Synthesis | |
| dc.subject.en | Tungsten Oxide | |
| dc.title.en | Nano-particles (NPs) of WO3-type compounds by polyol route with enhanced electrochromic properties | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.jallcom.2020.153690 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Alloys and Compounds | |
| bordeaux.page | 153690 (10 p.) | |
| bordeaux.volume | 823 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-02490026 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-02490026v1 | |
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