Synthesis of carbon-encapsulated magnetic nanoparticles by spray pyrolysis of iron carbonyl and ethanol

Synthesis of nano-crystalline spherical cobalt–iron (Co–Fe) alloy particles by ultrasonic spray pyrolysis and hydrogen reduction

“…The fabrication of CoFe nanoparticles in this way has not yet been investigated. And only a few studies for the synthesis of iron-cobalt particles by gas phase chemical reaction have been reported in the literature [12][13][14][15][16][17][18]. Fe-Co alloyed nanoparticles were produced by chemical vapor con- densation using organomatellic iron carbonyl (Fe(CO) 5 ) and cobalt carbonyl (Co 2 (CO) 8 ) as precursors by Wang et al [13].…”

“…Soft-magnetic Fe-Co alloy nanoparticles with diameters less than 100 nm are prepared by ball milling. Yu et al [18] applied the USP technique to synthesize carbon-encapsulated magnetic nanoparticles.…”

Necrotic cell death caused by exposure to graphitic carbon‐coated magnetic nanoparticles

“…This is because of their potential applications in various cutting-edge fields such as the use as magnetic recording media, magnetic toners in xerography, contrast agents in magnetic resonance imaging, and nanocarriers for drug delivery and photothermal therapy. [1][2][3][4] To date, several methods have been developed for synthesizing carbon-encapsulated magnetic nanoparticles, including chemical vapor deposition, 5 arc discharge, 6 spray pyrolysis, 7 plasma methods, 8 and one-pot synthesis in closed cells. 9 The resulting nanocomposites are composed of a magnetic core of nanoparticles encapsulated in a graphitic carbon layer; and they have demonstrated unique physicochemical properties including a large surface area, high electrical and thermal conductivity, and high mechanical strength owing to the inherited characteristics of graphitic carbon.…”

Carbon encapsulated magnetic nanoparticles for biomedical applications: Thermal stability studies

“…There are many methods for manufacturing of CEMNPs including dc carbon arc (Bystrzejewski et al, 2004;Leonowicz et al, 2005), thermal plasma synthesis (Bystrzejewski et al, 2005b), thermal decomposition of metal-bearing compounds (Yu et al, 2005) and biomolecules (Tsang et al, 2000), explosive reactions (Wu et al, 2003) and combustion synthesis (Bystrzejewski et al, 2007). Herein we present the results on the carbon encapsulation of ferromagnetic carbides (Fe 3 C and NdC 2 ) during induction radio frequency (RF) plasma treatment of Fe 14 Nd 2 B powder.…”