A novel chemical synthesis of interlocked cubes of hausmannite Mn3O4 thin films for supercapacitor application

被引：87

作者：

Dubal, D. P. ^{[1
]}

Dhawale, D. S. ^{[1
]}

Salunkhe, R. R. ^{[1
]}

Pawar, S. M. ^{[2
]}

Fulari, V. J. ^{[1
]}

Lokhande, C. D. ^{[1
]}

机构：

[1] Shivaji Univ, Dept Phys, Thin Film Phys Lab, Kolhapur 416004, Maharashtra, India

[2] Chonnam Natl Univ, Dept Mat Sci & Engn, Photon & Elect Thin Film Lab, Kwangju 500757, South Korea

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 484卷 / 1-2期

关键词：

Hausmannite Mn3O4; Thin films; Chemical deposition; Optical properties; Supercapacitor; TEMPERATURE SYNTHESIS; MANGANESE OXIDES; OXIDATION; SPECTROSCOPY; DEPOSITION; PARTICLES; ELECTRODE; BEHAVIOR;

D O I：

10.1016/j.jallcom.2009.03.135

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The interlocked cubes of hausmannite Mn3O4 thin films were synthesized by simple, inexpensive, and low temperature chemical route from urea containing bath. These films were characterized by using X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), Fourier transform infrared spectra (FT-IR), optical absorption and wettability test. From the XRD patterns, polycrystalline nature of the hausmannite Mn3O4 films has been confirmed. Scanning electron micrographs revealed the development of three dimensional growths of interlocked cubes of Mn3O4 material. FT-IR spectrum bands confirmed the formation of Mn3O4 compound. The Mn3O4 film showed a direct optical band gap with energy 2.5 eV and hydrophilicity with water contact angle of 60 degrees. Mn3O4 film when used in supercapacitor exhibited specific capacitance of 193 F g(-1) in 1 M Na2SO4 electrolyte. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：218 / 221

页数：4

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