Journal
MATERIALS RESEARCH BULLETIN
Volume 48, Issue 9, Pages 3357-3361Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2013.05.021
Keywords
Nanostructures; X-ray diffraction; Ultrasonic measurements; Energy storage
Categories
Funding
- National Science Council (NSC) in Taiwan [100-2632-E-35-001-MY3]
- Department of Science & Technology, India
- National Science Council, Taiwan
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In this research, a rapid and controllable synthesis of octahedral Mn(OH)(2) nanoparticles with a size range from 140 to 200 nm has been done by a sonochemial irradiation method for the energy storage applications. Transmission electron microscopic images, energy disperse X-ray spectroscopy (EDX), X-ray photo electron spectroscopy (XPS), X-ray diffraction (XRD), and Fourier transform infrared (FUR) analyses clearly indicate the formation of octahedral Mn(OH)(2) nanoparticles. Octahedral Mn(OH)(2) nanoparticles were evaluated as a supercapacitor material that exhibits specific capacitance 127 F g(-1) at a current density of 0.5 mA cm(-2) in the potential range from -0.1 to 0.8 V in 1 M Na2SO4 solution. (c) 2013 Elsevier Ltd. All rights reserved.
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