Anodically fabricated self-organized nanoporous tin oxide film as a supercapacitor electrode material

Dipak V. Shinde; Deok Yeon Lee; Supriya A. Patil; Iseul Lim; Sambhaji S. Bhande; Wonjoo Lee; Myung Mo Sung; Rajaram S. Mane; Nabeen K. Shrestha; Sung-Hwan Han

doi:10.1039/C3RA22721A

Anodically fabricated self-organized nanoporous tin oxide film as a supercapacitor electrode material†

Dipak V. Shinde,^a Deok Yeon Lee,^a Supriya A. Patil,^a Iseul Lim,^a Sambhaji S. Bhande,^b Wonjoo Lee,^a Myung Mo Sung,^a Rajaram S. Mane,^b Nabeen K. Shrestha*^a and Sung-Hwan Han*^a

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^a Inorganic Nanomaterials Laboratory, Department of Chemistry, Hanyang University, Seongdong-gu, 133791, Seoul, Republic of Korea
E-mail: shhan@hanyang.ac.kr, nabeenkshrestha@hotmail.com
Fax: +82 2 2299-0762
Tel: +82 2-2292-5212

^b Centre for Nanomaterials & Energy Devices, School of Physical Sciences, SRTM University, Nanded, India

Abstract

Self-organized nanoporous tin oxide films were fabricated by anodizing a tin substrate in an aqueous electrolyte containing oxalic or phosphoric acid. The films were characterized using FE-SEM, XRD, XPS, and TGA. In addition, the supercapacitive properties of the porous oxide films were measured using cyclic voltammetry and galvanostatic charge/discharge technique. The film demonstrated a maximum specific capacitance of 274 F g⁻¹ with long life in electrochemical charge/discharge cycles.

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Anodically fabricated self-organized nanoporous tin oxide film as a supercapacitor electrode material†

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