Magnetic field-assisted synthesis of wire-like Co3O4 nanostructures: Electrochemical and photocatalytic studies

Facile and Eco-Friendly Synthesis of Finger-Like Co3O4 Nanorods for Electrochemical Energy Storage

“…, an activation process [ 38 ]. After 50 cycles, the discharge capacity still maintains 1006 mAh g −1 , which is comparable with or even higher than the reported values for other forms of Co 3 O 4 nanostructures [ 19 , 43 , 44 , 45 , 46 , 47 , 48 ]. Moreover, the coulombic efficiency maintains around 95% since the second cycle, indicates the excellent electrochemical reversibility of the as-prepared Co 3 O 4 nanorod electrode.…”

Effect of microwave power on the thermal genesis of Co3O4 nanoparticles from cobalt oxalate micro-rods

“…Co 3 O 4 showed high activity towards the gas-phase oxidation of 1,2-dichloroethane at 350 ºC with a 100% selectivity towards CO 2 [13]. Co 3 O 4 was reported to exhibit promising activity for other reactions like selective catalytic reduction of NO by ammonia [14], Fischer-Tropsch synthesis [15], H 2 O 2 decomposition [16], photocatalytic degradation of methyl dyes [17,18] and total oxidation of hydrocarbons [19].…”

Magnetic flux density-determined oriented attachment growth of FePt nanowires

“…A high magnetic field can be used to tune the surface energies of crystals through magnetocrystalline anisotropy and to promote the connection of crystals by magnetic dipole–dipole energy. 18–28 A lower magnetic flux density (MFD) can promote the growth of Fe 3 O 4 crystals along the direction of easy magnetization [110]-axis. 20 However, to operate the growth of a Bi crystal along the easy magnetization c -axis, a higher MFD of 8 T is necessary.…”

“…21 The magnetic field also induces magnetic dipole–dipole energy, which can be used to connect particles such as BiFeO 3 , Co 3 O 4 , and FeS, Ni. 22–25 If the synthesis of the crystals in a lower viscosity liquid system (such as hydrothermal method, solvothermal method, and precipitation method), a low MFD shows a promising effect on promoting the connection of magnetic particles with sizes of more than several hundred nanometers. 22–25 In a wet-chemical system with relatively high viscosity, such as the polyol reduction method, previous research indicates that a high MFD also shows the ability to induce the 1D growth of FePt crystals.…”