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Ultra-rapid formation of crystalline anatase TiO2 films highly doped with substrate species by a cathodic deposition method

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Title: Ultra-rapid formation of crystalline anatase TiO2 films highly doped with substrate species by a cathodic deposition method
Authors: Sato, Yuki Browse this author
Kobayashi, Hikaru Browse this author
Kowalski, Damian Browse this author
Koyama, Akira Browse this author
Zhu, Chunyu Browse this author
Aoki, Yoshitaka Browse this author
Suto, Mikito Browse this author
Habazaki, Hiroki Browse this author →KAKEN DB
Keywords: Cathodic deposition
Anatase
Heat-labile substrate
Doped TiO2
Issue Date: Nov-2019
Publisher: Elsevier
Journal Title: Electrochemistry Communications
Volume: 108
Start Page: UNSP 106561
Publisher DOI: 10.1016/j.elecom.2019.106561
Abstract: The formation of crystalline anatase films having important applications such as photocatalysis, solar cells, electrochromic applications, and bio-implants requires time-consuming multiple processes including heat treatments. In this paper, ultra-rapid formation of a crystalline anatase film on a tin substrate is realized by a cathodic deposition method, which is performed only for 3 s in an aqueous solution containing TiF62- at 60 degrees C without any heat treatment. The deposited nanocrystalline anatase film of similar to 90 nm thickness contains high concentration of tin species derived from the substrate metal and shows superhydrophilicity after UV light irradiation. The process utilized in this study provides a novel annealing-free approach for the rapid formation of a photoactive crystalline anatase film on heat-labile substrates.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/76292
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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