Issue 2, 2013
From the journal:

Physical Chemistry Chemical Physics

P(VDF-TrFE) ferroelectric nanotube array for high energy density capacitor applications†

Xue Li,ab   Yee-Fun Lim,a   Kui Yao,*a   Francis Eng Hock Tayb  and  Kar Heng Seahb  

* Corresponding authors

a Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602, Singapore
E-mail: k-yao@imre.a-star.edu.sg
Fax: +(65) 6872-0785
Tel: +(65) 6874-5160

b Department of Mechanical Engineering, National University of Singapore, 21 Lower Kent Ridge Road, Singapore 119260, Singapore

Abstract

Poly(vinylidene-fluoride-co-trifluoroethylene) (P(VDF-TrFE)) ferroelectric nanotube arrays were fabricated using an anodized alumina membrane (AAM) as a template and silver electrodes were deposited on both the outer and inner sides of the nanotubes by an electroless plating method. The nanotubes have the unique structure of being sealed at one end and linked at the open end, thus preventing electrical shorting between the inner and outer electrodes. Compared with a P(VDF-TrFE) film with a similar overall thickness, the idealized nanotube array has a theoretical capacitance that is 763 times larger due to the greatly enlarged contact area between the electrodes and the polymer dielectric. A capacitance that is 95 times larger has been demonstrated experimentally, thus indicating that such nanotube arrays are promising for realizing high density capacitance and high power dielectric energy storage.

Graphical abstract: P(VDF-TrFE) ferroelectric nanotube array for high energy density capacitor applications

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Article information

DOI
https://doi.org/10.1039/C2CP43873A
Article type
Paper
Submitted
01 Nov 2012
Accepted
02 Nov 2012
First published
21 Nov 2012

Phys. Chem. Chem. Phys., 2013,15, 515-520

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P(VDF-TrFE) ferroelectric nanotube array for high energy density capacitor applications

X. Li, Y. Lim, K. Yao, F. E. H. Tay and K. H. Seah, Phys. Chem. Chem. Phys., 2013, 15, 515 DOI: 10.1039/C2CP43873A

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