Article (Scientific journals)
Film Deposition of Electrochromic Metal Oxides through Spray Coating: A Descriptive Review
Maho, Anthony; Nayak, Suraj; Gillissen, Florian et al.
2023In Coatings, 13 (11), p. 1879
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Keywords :
electrochromism; energy; metal oxides; nanomaterials; smart windows; spray coating; thin films; Surfaces and Interfaces; Surfaces, Coatings and Films; Materials Chemistry
Abstract :
[en] Electrochromism induces reversible changes of coloration in specific organic and inorganic materials through electrical charge/discharge reactions. When processed into thin films, electrochromic metal oxides can be integrated into glazing applications such as displays, rearview mirrors, goggles and, most notably, smart windows in energy-efficient buildings. Over the years, the use of spray coating as a liquid-based approach has been acknowledged for its cost-efficient, high-throughput samples production with a low volume consumption. It represents an interesting alternative to vacuum processes and to other wet methods, suitably responding to the current limitations of electrochromic thin films production by offering improved control over deposition parameters and capacities of up-scaling, together with lowered energetic and economic costs. The present review summarizes the main theoretical and practical aspects of spray coating, notably distinguishing room-temperature methodologies from pyrolysis-based, under heating protocols. The main families of functional electrochromic metal oxides are then screened and discussed, establishing how spray processing can challengingly lead to higher levels of optical contrast, commutation kinetics, coloration efficiency and cycling durability, and how low-toxic and environment-friendly precursors can be favored while sustaining large deposition areas.
Disciplines :
Chemistry
Author, co-author :
Maho, Anthony  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat ; Univ. Bordeaux, CNRS, Bx INP, ICMCB, UMR 5026, Pessac, France
Nayak, Suraj;  Univ. Bordeaux, CNRS, Bx INP, ICMCB, UMR 5026, Pessac, France
Gillissen, Florian ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM)
Cloots, Rudi ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat
Rougier, Aline ;  Univ. Bordeaux, CNRS, Bx INP, ICMCB, UMR 5026, Pessac, France
Language :
English
Title :
Film Deposition of Electrochromic Metal Oxides through Spray Coating: A Descriptive Review
Publication date :
November 2023
Journal title :
Coatings
eISSN :
2079-6412
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI)
Volume :
13
Issue :
11
Pages :
1879
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
University of Bordeaux
ULiège - University of Liège
ANR - Agence Nationale de la Recherche
Région Nouvelle-Aquitaine
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Funding text :
The research is funded in France by the University of Bordeaux, with the support of Agence Nationale de la Recherche (A.N.R.) for A. Maho’s “Chaire de Professeur Junior”, and of Région Nouvelle-Aquitaine (n° AAPR2023-2022-23944010), and in Belgium by the GREEnMat laboratory – University of Liège, with the support of the Fonds National de la Recherche (F.N.R.S.) under grant n° T.0125.20 (PLASMON_EC).
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