FTIR spectrum of MnO2 | Download Scientific Diagram
FTIR analysis for MnO 2 (Fig. 2b) shows a broad peak in the range 3400-3000 cm −1 attributed to the symmetrical stretching vibrations of Mn-O and O-H bending vibrations of hydroxyl group...
Structural, optical and magnetic properties of α- and β-MnO2 …
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
FTIR spectra of MnO 2 nanoparticles and KMnO 4 - ResearchGate
FTIR spectroscopy is a sensitive method for detection of small amount of inorganic and organic species. The FT-IR spectra for KMnO 4 and MnO 2 nanoparticles are presented in Fig. 5 [14,44]. The...
Synthesis and Characterization of α-MnO2 nanoparticles for ...
2021年1月1日 · The Mn-O bond is observed at 534 cm −1 and 575 cm −1 through FTIR technique. The CV characterization shows the α-MnO 2 nanoparticles to have a good capacitive behavior, which predicts the potential application in energy storage.
Structural, optical and magnetic properties of α- and β-MnO2 …
2021年8月15日 · The functionality of MnO 2 nanorods was further verified using FT-IR (Fourier transform infrared spectroscopy). Field emission scanning electron microscopy (FE-SEM) of Zeiss make was used to determine the morphology of the products.
FT-IR spectrum of the as-synthesized α -MnO 2 nanorods.
The relatively simple FT-IR pattern is ascribed to the highly structural symmetry of α -MnO 2 nanorods. The IR analysis here is consistent with the results reported in the literature [10].
Synthesis and characterization of whisker-shaped MnO2
2012年6月6日 · In this paper, we report a facile one-step solution phase synthetic approach of MnO 2 nanoparticles without any template or stabilizing agent. All chemicals were analytical grade reagents. Potassium permanganate (98.5 %, E. Merck, SA), and sodium thiosulfate (99 %, E. Merck, SA) were used as received without further purification.
Study of structural, optical and dielectric properties of α-MnO2 ...
2019年10月1日 · In FTIR, Mn–O stretching mode at 530 cm−1 is observed. In addition, the O–O stretching mode at 715 cm−1 also confirms the presence of MnO6 units. Raman spectrum provides the fingerprints at 569 cm−1 and 635 cm−1 of α-MnO2 originating due to breathing vibrations of MnO6 units.
Low temperature synthesis of MnO2 nanostructures for …
2020年1月1日 · Herein, we are reporting a facile and novel TEA-ethoxylate assisted low temperature hydrothermal route for synthesis of stable nanostructured MnO 2 and their application as an electrode material in supercapacitor. The synthesis was accomplished at two different reaction temperatures viz. 60 °C and 80 °C.
FTIR spectra of the as-prepared α-MnO 2 nanowires
The hydrothermal approach was used to synthesize MnO2 and P-MnO2/AC nanoparticles in this study. The materials structure and bonding nature were analyzed using X-ray diffraction (XRD) and...