Synthesis, characterization, and investigation of electrochemical hydrogen storage capacity in barium hexaferrite nanocomposite

Extractive–Oxidative Desulfurization of Real and Model Gasoline Using (gly)3H[SiW12O40]⊂CoFe2O4 as a Recoverable and Efficient Nanocatalyst

“…Regarding the diffraction pattern of the (gly) 3 H[SiW 12 O 40 ]⊂CoFe 2 O 4 nanocatalyst (Figure d), the peaks of pure polyoxotungstate and gly molecules are visible with less intensity, which indicated that (gly) 3 SiW 12 O 4 was dispersed on CoFe 2 O 4 nanoparticles. The nanocrystalline size of (gly) 3 H[SiW 12 O 40 ]⊂CoFe 2 O 4 is determined to be about 26 nm according to the Debye–Scherrer equation, − where D is the nanocrystallite size (nm), λ is the X-ray wavelength (0.15406 nm), β (2θ) is the full peak width at half max (FWHM) in radians, K is a constant and equal to 0.89, and θ is the diffraction angle. D = K λ β 0.25em cos nobreak0em.25em⁡ θ …”

Marine carrageenan‐based NiO nanocatalyst in solvent‐free synthesis of polyhydroquinoline derivatives

“…In addition, nanoscale catalysts can be easily dispersed in various liquids and gases, making them highly versatile and applicable in fields such as environmental remediation, chemical synthesis, and energy conversion. [4][5][6][7][8][9][10] They can be made from a variety of materials, including metals, metal oxides (such as platinum, iron oxide and palladium), and other materials (e.g., inorganic-organic hybrid nanocomposite, carbon nanotubes, and graphene). 11 Among metal oxides, nickel oxide nanoparticles (NiO NPs) are important non-toxic semiconductors that have significant optical, electronic, and magnetic properties.…”

“…The small size and high surface area of nanocatalysts enable them to exhibit enhanced catalytic activity, selectivity, and efficiency compared with conventional catalysts. In addition, nanoscale catalysts can be easily dispersed in various liquids and gases, making them highly versatile and applicable in fields such as environmental remediation, chemical synthesis, and energy conversion 4–10 . They can be made from a variety of materials, including metals, metal oxides (such as platinum, iron oxide and palladium), and other materials (e.g., inorganic–organic hybrid nanocomposite, carbon nanotubes, and graphene) 11 .…”

Boronic acid functionalized silica‐coated Fe3O4 as a novel magnetically separable catalyst for the synthesis of hydrazinyl thiazoles

“…In recent decades, researchers have concentrated their efforts on introducing novel, inexpensive, eco-friendly, and selective catalysts in various synthetic transformations as well as chemical processes. [1][2][3][4][5][6] As a part of this scenario, magnetically separable catalysts have proven their efficacy in lab-scale as well as industrial-scale organic syntheses. 7 Also, magnetic separation of the catalyst is a fascinating replacement for traditional tedious workup procedures like centrifugation or filtration and eliminates the catalyst loss [8][9][10] during isolation.…”

“…In recent decades, researchers have concentrated their efforts on introducing novel, inexpensive, eco‐friendly, and selective catalysts in various synthetic transformations as well as chemical processes 1–6 . As a part of this scenario, magnetically separable catalysts have proven their efficacy in lab‐scale as well as industrial‐scale organic syntheses 7 .…”