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TiO2 coated Si nanowire electrodes for electrochemical double layer capacitors in room temperature ionic liquid

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TiO2 coated Si NWA_review.pdfAccepted version1.09 MBAdobe PDFView/Open
Konstantinou_2017_J._Phys._D%3A_Appl._Phys._50_415503.pdfPublished version1.66 MBAdobe PDFView/Open
Title: TiO2 coated Si nanowire electrodes for electrochemical double layer capacitors in room temperature ionic liquid
Authors: Konstantinou, F
Shougee, A
Albrecht, T
Fobelets, K
Item Type: Journal Article
Abstract: Three TiO2 deposition processes are used to coat the surface of Si nanowire array electrodes for electrochemical double layer capacitors in the room temperature ionic liquid [Bmim][NTF2]. The fabrication processes are based on wet chemistry only and temperature treatments are kept below 450°C. Successful TiO2 coatings are found to be those that are carried out at low pressure and with low TiO2 coverage to avoid nanowires breakage. The best TiO2 coated Si nanowire array electrode in [Bmim][NTF2] showed energy densities of 0.9 Whcenterdotkg-1 and power densities of 2.2 kWcenterdotkg-1 with a nanowire length of ~10 μm.
Issue Date: 18-Aug-2017
Date of Acceptance: 2-Aug-2017
URI: http://hdl.handle.net/10044/1/50336
DOI: https://dx.doi.org/10.1088/1361-6463/aa8717
ISSN: 0022-3727
Publisher: IoP
Journal / Book Title: Journal of Physics D: Applied Physics
Volume: 50
Copyright Statement: Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Keywords: 02 Physical Sciences
09 Engineering
Applied Physics
Publication Status: Published online
Article Number: 415503
Appears in Collections:Electrical and Electronic Engineering
Faculty of Natural Sciences
Faculty of Engineering