The preparation of alpha-MnO2 nanotubes (M-NT) decorated with platinum nanoparticles (Pt/M-NT) by a simple reduction and mechanical stirring method is presented in this work, which aims to design a highly active catalyst for the Li-O-2 battery. The obtained samples were characterized by XRD...
XRD proved the crystal form of δ-MnO2 at (Fig. 5). Then, it could be seen that the MnO2 shell transformed into a rambutan structure composed of rod-shaped monomers after raising the reaction temperature to 120 °C, which was confirmed to be α-MnO2 by XRD (Fig. 5). At last, ...
Structures of the Graphene/alpha-MnO2 nanocomposites were characterized using Xray diffraction (XRD) and Raman Spectroscopy techniques. Surface morphology of the electrodes was characterized using scanning electron microscopy (SEM). Electrochemical cycling tests of the Graphene/alpha-MnO2 nanocomposite cathodes...
MNO2FABRICATIONSHEETSIn this study, manganese dioxide (MnO 2 )/thermally reduced graphene oxide (rGO) symmetric supercapacitors were fabricated. The (MnO 2 / [email protected] ) composites with varying reaction temperatures (100, 120, and 140 °C) were prepared from a one-pot hydrothermal ...
Accordingly, PVC/alpha-MnO2-PVA nanocomposites (NCs) were fabricated with different amounts of modified nanorods (1, 3 and 5 wt%) by ultrasonic irradiation technique. Samples were characterized by instrumental analyses such as FT-IR, XRD, FE-SEM and TEM. Properties of NC films and neat PVC ...
(XRD), and Fourier-transform infrared spectroscopy (FTIR). The limit of detection (LOD) of the sensor for estrogen is 0.96 pg/mL in buffer solution. The immunosensor is able to detect AFP with an LOD of 1.15 ng/mL. Furthermore, it exemplifies good electrochemical performance toward the ...
A series of CuO-based catalysts supported on the α-MnO2nanowire were facilely synthesized and employed as the CO oxidation catalysts. The achieved catalysts were systematically characterized by XRD, SEM, EDS-mapping, XPS and H2-TPR. The catalytic performances toward CO oxidation had been carefully...
STRUCTURED MNO2ENERGY-STORAGEPERFORMANCEDEGRADATIONWe report the comparison of the electrochemical performances of alpha-MnO2 and delta-MnO2 produced by hydrothermal treatment. The structure and morphology of these materials were analyzed by SEM, HRTEM, XRD, and XPS, while their electrochemical properties ...
In this study, nanorod alpha-MnO2 loaded palygorskite (alpha-MnO2/Pal) was fabricated by a simple hydrothermal method. The analysis of field emission scanning electron microscope (FE-SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) confirmed the loading of alpha-MnO2 ...
The structural parameters, vibrational response and surface morphology of the alpha-MnO2 nanorods are characterized using X-ray diffraction (XRD), Raman spectroscopy, Fourier transform Infrared spectroscopy (FT-IR), X-ray Photoluminescence spectroscopy (XPS), Field emission scanning electron microscopy (...