Gram Scale Preparation, Characterization and Electrochemical Properties of MoO3 Nanoplates
The development of novel synthesis method for the gram scale synthesis of nanostructures is highly important for their practical applications. In this article, we are reporting a unique method for the gram scale preparation of MoO3 nanoplates via facile one step thermal decomposition
approach using ammonium molybdate as starting material. The X-ray diffraction and Raman spectral analysis revealed the presence of orthorhombic MoO3. The Fourier transform infra red spectrum confirms the presence of Mo O stretching vibrations in the obtained MoO3 nanoplates.
The field emission scanning electron microscope study showed the formation of plate like MoO3 nanostructures. The electrochemical properties of the obtained MoO3 nanoplates are examined by the use of cyclic voltammetry, galvanostatic charge–discharge analysis, and electrochemical
impedance spectroscopy. The prepared MoO3 nanoplates exhibited a maximum specific capacitance of about 52 F/g at a scan rate of about 5 mV/s. Electrochemical impedance spectroscopic results such as Nyquist and Bode angle plots suggested the pseudocapacitive nature of the prepared
MoO3 nanoplates.
Keywords: ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; ENERGY STORAGE MATERIALS; NANOSTRUCTURED MATERIALS; SCANNING ELECTRON MICROSCOPY; X-RAY DIFFRACTION
Document Type: Research Article
Publication date: 01 July 2015
- Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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