The Co3O4 hollow dodecahedron (Co3O4@CN) was prepared by calcining ZIF-67 in N2 and then air atmosphere. In the Co3O4@CN compound material, nanoparticles (Co3O4 NPs) are anchored carbon skeleton, solving aggregation problem of NPs. Because retains porous structure ZIF-67, presence Co2+ Co3+ favors electron transfer between enzyme substrates, it has excellent peroxidase-like (POD-like) activity....

A general corrosion strategy was employed for the straightforward fabrication of a variety of metal oxide nanostructures, such as Fe3O4 octahedra, Co3O4 nanoplates, nanoporous TiO2, and Mn3O4 octahedra.

Die elektrochemische Umwandlung von Nitrat in Ammoniak ist ein wichtiger und nachhaltiger Ansatz zur Wiederherstellung des weltweit gestörten Stickstoffkreislaufs. rationale Entwicklung Katalysatoren für die Nitratreduktionsreaktion (NO3RR) auf der Grundlage eines detaillierten Verständnisses Reaktionsmechanismus großer Bedeutung. Wir berichten über einen Cu2O+Co3O4-Tandemkatalysator, NH3-Produ...

As phenol represents as the most typical persistent organic pollutants in wastewater, SO4•−-involved chemical oxidation techniques using monopersulfate (MPS) have been regarded a promising method to eliminate phenol. Since Co3O4 is benchmark heterogeneous catalyst for activating MPS, it highly critical investigate shape-varied catalysts with well-defined crystal planes MPS degrade Thus, aim of ...

Porous Co3O4 nanonetworks (NNWs), converted from precursor CoOOH nanosheets, have been synthesized via a controllable chemical reaction route followed by calcination at 400 °C in air. The morphologies and microstructures of the precursor nanosheets and the final products were characterized by high-resolution transmission electron microscopy and X-ray diffraction, respectively. The growth mechan...

In this work, ZIF-8-derived Co3O4@ZnO microspheres were prepared by a liquid-phase concentration-controlled nucleation strategy. The results of the material characterization showed that obtained, and surface structure could be controlled with concentration ligand. Compared pure Co3O4 microspheres, operating temperature optimized increased 90 °C after gas-sensing test. response to 50 ppm acetone...

Thanks to their high energy density, light weight and long cycle life, rechargeable lithium ion batteries (LIBs) have become one of the dominant power sources for portable electronic devices. With the growing need for higher capacity and safety, numerous efforts have been made to develop alternative high-performance electrode materials for next-generation LIBs. As an example, the anode electrod...