2021
DOI: 10.3390/app112110031
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Comparison of Structure and Magnetic Properties of Ni/C Composites Synthesized from Wheat Straw by Different Methods

Abstract: Synthesis of Ni/C nanostructured composites based on a natural raw material, i.e., wheat straw, is carried out in this work. The synthesis is performed by one- and two-stage methods using NiCl2 as the activating agent. The X-ray diffraction and EDS analyses reveal the presence of metallic nickel in the structure of the composites, whereas magnetic measurements showed that nickel was contained in the porous carbon matrix in the nanoparticle state. For nanocomposites synthesized by the one-stage method, the larg… Show more

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Cited by 4 publications
(2 citation statements)
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“…25,26 The most common metallic nanoparticles used to prepare magnetic materials are nickel, cobalt, and iron. [27][28][29] Nevertheless, iron compounds are commonly utilized due to their low cost and magnetic characteristics. Siddiqui et al 27 have reviewed the main sources of iron and they comprise ferrous sulfate FeSO 4 , ferric nitrate Fe(NO 3 ) 3 , ferric oxide Fe 2 O 3 , ferrous ferric oxide Fe 3 O 4 , ferric chloride FeCl 3 and iron ores like magnetite and maghemite.…”
Section: Magnetically Sensitive Adsorbents and Methods Of Their Synth...mentioning
confidence: 99%
“…25,26 The most common metallic nanoparticles used to prepare magnetic materials are nickel, cobalt, and iron. [27][28][29] Nevertheless, iron compounds are commonly utilized due to their low cost and magnetic characteristics. Siddiqui et al 27 have reviewed the main sources of iron and they comprise ferrous sulfate FeSO 4 , ferric nitrate Fe(NO 3 ) 3 , ferric oxide Fe 2 O 3 , ferrous ferric oxide Fe 3 O 4 , ferric chloride FeCl 3 and iron ores like magnetite and maghemite.…”
Section: Magnetically Sensitive Adsorbents and Methods Of Their Synth...mentioning
confidence: 99%
“…The obtained integral intensities were used to calculate the degree of crystallinity by the Ruland-Wonka method (Bordun et al 2021). This method makes it possible to obtain the degree of crystallinity (SC) from the ratio of the area of the crystalline phase to the total area under the diffraction curve, which includes scattering by the amorphous and crystalline phases.…”
Section: Characterization Of Bacterial Cellulosementioning
confidence: 99%