The formation of MnO2 was first confirmed by a color change and characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and absorption spectroscopy...

This work reports the preparation of two polymorphs of MnO2 such as α-MnO2 and β-MnO2 by simple microwave method using natural Moringa oleifera gum. The concentration of M. oleifera gum...

2021年8月15日 · The structure, electrochemical performance, optical and magnetic properties of these nanomaterials were explored. XRD and FTIR spectroscopy confirmed the pure phase formation of MnO 2. Through Rietveld refinement, we determined the phase fraction of α and β phase which were found to be ~73% and

In this study, an MoS2/MnO2 nanocomposite electrode with a novel 3D nanoflower/1D nanorod architecture is effectively synthesized using a straightforward, cost-effective hydrothermal process.

2021年8月15日 · Formation of pure tetragonal structured α-, β- and mixture of α and β phase of MnO2 are identified through Fourier transform infrared spectroscopy (FTIR) and X-Ray diffraction (XRD).Rietveld refinement reviles 73% of α-MnO 2 and 27% of β-MnO 2 present in αβ-MnO 2.

The properties of formed MnO2 nanoparticles were determined by the aid of UV-Visible Spectroscopy (UV-2400PC Series) in the wavelength range 200 to 900 cm-1. Fourier Transform Infra-Red spectroscopy (FTIR) (Shimazdu) in the wavelength range 400 – 4000 cm-1.

The size, structure and morphology of MnO2 nanoparticles were characterized by UV-Visible, X-Ray diffraction (XRD), FTIR techniques. The average particle size of manganese oxide nanoparticles was calculated from the XRD study.

2021年1月1日 · XRD spectrum shows that the synthesized α-MnO 2 nanoparticles are in tetragonal structure and the crystalline size of the nanoparticles was calculated as 41.49 nm using Scherrer formula. The Mn-O bond is observed at 534 cm …

MnO2 by Fourier Transform-Infrared Spectroscopy (FT-IR) from (SHIMADZO IRAFFINITY) probes. The morphol gy of MnO2 were investigated with scanning electron microscope (SEM, the VEGA Easy Probe). Phase composition of MnO2 was

Formation of pure tetragonal structured α-, β- and mixture of α and β phase of MnO 2 are identified through Fourier transform infrared spectroscopy (FTIR) and X-Ray diffraction (XRD).Rietveld refinement reviles 73% of α-MnO 2 and 27% of β-MnO 2 present in αβ-MnO 2.