Electrochromic and optical study of sol-gel TiO2-MnO films

Electrochromism; Energy gap; Manganese; Manganese oxide; Sol-gel process; Sol-gels; Titanium dioxide; Anatase phase; Crystallization process; Electrochromic properties; Electrochromics; FTIR analysis; Host matrices; Optical study; Titanium dioxide films; Oxide minerals

Abstract :

[en] We present a study on the structural, optical and electrochromic properties of sol-gel films of TiO2 and TiO2-MnO. The XRD analyses show that the incorporation of Mn in the TiO2 host matrix inhibits the crystallization process, as compared to single TiO2 films, which are well crystallized in anatase phase. This conclusion is supported by FTIR analysis. Adding Mn to the TiO2 films leads to a significant narrowing of the optical band gap. The electrochromic characteristics of TiO2-MnO films are better than those of the single titanium dioxide films after annealing at 300 C. © 2020 IOP Publishing Ltd. All rights reserved.

Disciplines :

Chemistry
Physics

Author, co-author :

Ivanova, T.; Central Laboratory of Solar Energy and New Energy Sources, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria

Harizanova, A.; Central Laboratory of Solar Energy and New Energy Sources, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria

Koutzarova, T.; Acad. E. Djakov Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, Sofia, 1784, Bulgaria

Vertruyen, Bénédicte ; Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale

Language :

English

Title :

Electrochromic and optical study of sol-gel TiO2-MnO films

Publication date :

2020

Event name :

21st International Summer School on Vacuum, Electron and Ion Technologies, VEIT 2019

Event place :

Sozopol, Bulgaria

Event date :

23 September 2019 through 27 September 2019

Audience :

International

Journal title :

Journal of Physics. Conference Series

ISSN :

1742-6588

eISSN :

1742-6596

Publisher :

Institute of Physics Publishing

Volume :

1492

Pages :

012028

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://doi.org/10.1088/1742-6596/1492/1/012028

Funders :

BAS - Bulgarian Academy of Sciences [BG]
WBI - Wallonie-Bruxelles International [BE]

Available on ORBi :

since 03 July 2020

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