Article (Scientific journals)
Plasmonic Properties of Doped Metal Oxides Investigated through the Kubelka–Munk Formalism
Lobet, Michaël; Gillissen, Florian; De Moor, Nicolas et al.
2025In ACS Applied Optical Materials
Peer reviewed
 

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Keywords :
plasmonic, Kubelka−Munk, electrochromism, optical properties, optical characterization, doped metal oxides
Abstract :
[en] Materials with broadband tunable optical propertiesare looked for in smart windows applications. Doped metal oxidespresenting dual-band visible (VIS)−near-infrared (NIR) electro-chromic properties can be used for solving such a challenge, andtheir accurate optical characterization is therefore of primeimportance. The Kubelka−Munk model is a state-of-the-art wayto optically quantify the absorption properties of materials and isoccasionally applied to plasmonic materials, even if great careshould be taken to meet the formalism hypotheses. In the presentwork, Kubelka−Munk theory is discussed in the context ofparticles of indium−tin oxide and molybdenum−tungsten oxideformulations that are used as single-NIR and both-VIS/NIR activeadvanced electrochromic materials, respectively. An analytical model is derived for particles of much smaller dimensions than theincident wavelength and is experimentally verified. A dilution method is applied to verify the plasmonic characteristics of theparticles. This study is key for the efficient characterization of the optical properties of metal oxides and plasmonic materials ingeneral, from diffuse reflectance measurements.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Lobet, Michaël  ;  Université de Liège - ULiège > Centres généraux > CSL (Centre Spatial de Liège) ; Department of Physics and Namur Institute of Structured Materials, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
Gillissen, Florian ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM)
De Moor, Nicolas;  Department of Physics and Namur Institute of Structured Materials, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
Dewalque, Jennifer  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat
Colson, Pierre  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat
Cloots, Rudi  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat
Maho, Anthony  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat ; CNRS, Bordeaux INP, ICMCB, UMR 5026, Univ. Bordeaux, 87 Avenue du Docteur Schweitzer, 33600 Pessac, France
Henrard, Luc;  Department of Physics and Namur Institute of Structured Materials, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
Language :
English
Title :
Plasmonic Properties of Doped Metal Oxides Investigated through the Kubelka–Munk Formalism
Publication date :
03 February 2025
Journal title :
ACS Applied Optical Materials
eISSN :
2771-9855
Publisher :
American Chemical Society (ACS)
Peer reviewed :
Peer reviewed
Name of the research project :
PLASMON_EC
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Funding number :
PDR T.0125.20 PLASMON_EC
Available on ORBi :
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