期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 15, 期 6, 页码 4409-4413出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2015.9594
关键词
CuS; Sonochemical Synthesis; FE-SEM; Supercapacitor; Cyclic Voltammetry; Electrochemical Impedance Spectra
类别
资金
- Jeju National University
Copper sulfide (CuS) nanoparticles have been prepared by a facile sonochemical method using copper nitrate and thiourea as precursors. The X-ray diffraction analysis revealed the formation of hexagonal CuS. The Field-emission scanning electron microscope showed the formation of CuS nanoparticles with size in the range of 50 nm. Moreover, the electrochemical properties of the prepared CuS nanoparticles are examined by the use of cyclic voltannnnetry and electrochemical impedance spectroscopy. The cyclic voltammetry studies show a maximum specific capacitance of about 62.77 F/g at a 5 mV s(-1) scan rate. The electrochemical impedance studies such as Nyquist and Bode plots suggested that the pseudocapacitive properties of the prepared CuS nanoparticles.
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