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Enhancement of the electrochemical capacitance of TiO(2) nanotube arrays through controlled phase transformation of anatase to rutile.
MedLine Citation:
PMID:  22382869     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Here, we report the fabrication of self-organized titania (TiO(2)) nanotube array supercapacitor electrodes through controlled phase transformation of TiO(2), with aerial capacitances as high as 2.6 mF cm(-2), which far exceeds the values so far reported in the literature. The role of phase transformation in the electrochemical charge-discharge behaviour of nanocrystalline TiO(2) nanotubes is investigated and discussed in detail. The ease of synthesis and the exceptional electrochemical properties make these nanotube arrays an alternative candidate for use in energy storage devices.
Authors:
Maryam Salari; Seyed Hamed Aboutalebi; Alfred T Chidembo; Ivan P Nevirkovets; Konstantin Konstantinov; Hua Kun Liu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-1
Journal Detail:
Title:  Physical chemistry chemical physics : PCCP     Volume:  -     ISSN:  1463-9084     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888160     Medline TA:  Phys Chem Chem Phys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Institute for Superconducting and Electronic Materials, ARC Centre for Electromaterials Science, University of Wollongong, Wollongong, NSW 2500, Australia. ms591@uowmail.edu.au.
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