Electro Catalytic Properties of α, β, γ, ϵ ‐ MnO2 and γ ‐ MnOOH Nanoparticles: Role of Polymorphs on Enzyme Free H2O2 Sensing
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DOI: 10.1002/elan.201600608
Abstract: Polymorphs of Manganese di oxide (MnO2) such as alpha (α), beta (β), gamma (γ), epsilon (ϵ), and MnOOH type materials were prepared via hydrothermal approach under different conditions. The samples were characterized by XRD, FESEM,… read more here.
Keywords: mno2 mno2; electro catalytic; mno2 mnooh; mno2 ... See more keywords
Investigation into the Phase-Activity Relationship of MnO2 Nanomaterials toward Ozone-Assisted Catalytic Oxidation of Toluene.
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DOI: 10.1002/smll.202103052
Abstract: Manganese dioxide (MnO2 ), with naturally abundant crystal phases, is one of the most active candidates for toluene degradation. However, it remains ambiguous and controversial of the phase-activity relationship and the origin of the catalytic… read more here.
Keywords: mno2 mno2; oxygen; phase; oxidation ... See more keywords
Catalytic decomposition of ozone on nanostructured potassium and proton containing δ-MnO2 catalysts
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DOI: 10.1016/j.catcom.2017.01.002
Abstract: The nanostructured proton-containing δ-MnO2 (H-δ-MnO2) catalyst was prepared by proton exchange of K-containing δ-MnO2 (K-δ-MnO2) nanoflakes. Energy-dispersive spectroscopy analysis showed that the K+ cations effectively leached away and replaced with H+ ions. Exchange of K+… read more here.
Keywords: mno2 mno2; containing mno2; proton containing; mno2 catalyst ... See more keywords
Phase- and Crystallinity-Tailorable MnO2 as an Electrode for Highly Efficient Hybrid Capacitive Deionization (HCDI)
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DOI: 10.1021/acssuschemeng.0c04101
Abstract: Hybrid capacitive deionization (HCDI) is an emerging and promising technology for water desalination and has been extensively explored in recent years. Designing a structure-tailorable electrode material has been proved to be a valid strategy for… read more here.
Keywords: mno2 mno2; mno2 electrode; crystallinity; hcdi ... See more keywords
Enhanced Cycleability of Amorphous MnO2 by Covering on α-MnO2 Needles in an Electrochemical Capacitor
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DOI: 10.3390/ma10090988
Abstract: An allomorph MnO2@MnO2 core-shell nanostructure was developed via a two-step aqueous reaction method. The data analysis of Scanning Electron Microscopy, Transmission Electron Microscopy, X-Ray Diffraction and N2 adsorption-desorption isotherms experiments indicated that this unique architecture… read more here.
Keywords: amorphous mno2; mno2 mno2; capacitor; microscopy ... See more keywords