Nano-Metal Borides of Cobalt, Nickel and Copper

Ali, Al-Zain Omar; Al-Masoudi,; Soliyman, Reem

doi:10.4172/2157-7439.1000477

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…Among the known methods for the preparation of nanoparticles of cobalt(II) borides Co x B, the most common is the chemical reduction of cobalt(II) chloride with alkali metal tetrahydroborate [ 5 , 9 , 13 , 17 , 18 , 19 , 20 ]. In addition, cobalt(II) borides Co 2 B, CoB can be prepared by the interaction of cobalt(II) chloride or metal with elemental boron [ 21 ]. Moreover, preparation of mesoporous nanocrystalline α-CoB x was synthesized by chemical reduction of cobalt acetate with dimethylamine borane [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

A New Approach to the Synthesis of Nanocrystalline Cobalt Boride in the Course of the Thermal Decomposition of Cobalt Complexes [Co(DMF)6]2+ with Boron Cluster Anions

et al. 2023

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In the course of the study, nanocrystalline cobalt monoboride was prepared by thermal decomposition of precursors [Co(DMF)6][An], where [An] = [B12H12]2– (1), [trans-B20H18]2– (2) or [B10Cl10]2– (3) in an argon atmosphere. Three new salt-like compounds 1–3 were prepared when Co(NO3)2 was allowed to react with (Et3NH)2[An]. Compound 1 is new; the structures of compounds 2 and 3 have been previously reported. Samples 1–3 were annealed at 900 °C in argon to form samples 1a–3a, which were characterized by single crystal XRD for 1 and powder XRD for 1–3. Powder XRD on the products showed the formation of BN and CoB for 1a in a 1:1 ratio; 2a gave a higher CoB:BN ratio but an overall decreased crystallinity. For 3a, only CoB was found. IR spectra of samples 1a–3a as well as X-ray spectral fluorescence analysis for 3a confirmed these results. The nanoparticular character of the decomposition products 1a–3a was shown using TEM; quite small particle sizes of about 10–15 nm and a quite normal size distribution were found for 1a and 2a, while the decomposition of 3 gave large particles with 200–350 nm and a broad distribution.

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Section: Introductionmentioning

confidence: 99%

A New Approach to the Synthesis of Nanocrystalline Cobalt Boride in the Course of the Thermal Decomposition of Cobalt Complexes [Co(DMF)6]2+ with Boron Cluster Anions

et al. 2023

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“…Among the most attractive class of 2D ceramic materials are transition metal borides as they possess superior properties and, therefore, are utilized in a broad range of applications. They have high melting points and hardness, they are thermodynamically stable, they have excellent electric conductivity and superconductivity, and they are catalytically active and corrosive resistant [ 1 , 2 , 3 , 4 ]. Hence, they are extensively used in sensing, electronics, catalysis, energy harvesting, ion transport, superconductivity, hydrogen generation, and storage [ 5 , 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Exploring the Magnetic and Electrocatalytic Properties of Amorphous MnB Nanoflakes

Tzitzios

Zhang

et al. 2023

Nanomaterials

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Two-dimensional (2D) metal borides are a class of ceramic materials with diverse structural and topological properties. These diverse material properties of metal borides are what forms the basis of their interdisciplinarity and their applicability in various research fields. In this study, we highlight which fundamental and practical parameters need to be taken into consideration when designing nanomaterials for specific applications. A simple one-pot chemical reduction method was applied for the synthesis of manganese mono-boride nanoflakes at room temperature. How the specific surface area and boron-content of the as-synthesized manganese mono-boride nanoflakes influence their magnetic and electrocatalytic properties is reported. The sample with the highest specific surface area and boron content demonstrated the best magnetic and electrocatalytic properties in the HER. Whereas the sample with the lowest specific surface area and boron content exhibited the best electric conductivity and electrocatalytic properties in the OER.

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“…This is attributed to the unique metalloid nature of boron, which exhibits smaller electronegativity and atomic radius compared to transition metals. 70 Among them, nano nickel boride has been extensively studied due to its effectiveness in catalysis, 71 high microhardness, 72 excellent selectivity and activity for liquid phase reaction, 73 high chemical and thermal stability, 74 and potential applicability in biochemistry. 75 This integration of diverse materials engenders a pioneering approach to developing the production of functional materials.…”

Section: Introductionmentioning

confidence: 99%

Immobilized nickel boride nanoparticles on magnetic functionalized multi-walled carbon nanotubes: a new nanocomposite for the efficient one-pot synthesis of 1,4-benzodiazepines

Aminzadeh

Zeynizadeh

2023

Nanoscale Adv.

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Nano-Metal Borides of Cobalt, Nickel and Copper

Cited by 6 publications

References 12 publications

A New Approach to the Synthesis of Nanocrystalline Cobalt Boride in the Course of the Thermal Decomposition of Cobalt Complexes [Co(DMF)6]2+ with Boron Cluster Anions

A New Approach to the Synthesis of Nanocrystalline Cobalt Boride in the Course of the Thermal Decomposition of Cobalt Complexes [Co(DMF)6]2+ with Boron Cluster Anions

Exploring the Magnetic and Electrocatalytic Properties of Amorphous MnB Nanoflakes

Immobilized nickel boride nanoparticles on magnetic functionalized multi-walled carbon nanotubes: a new nanocomposite for the efficient one-pot synthesis of 1,4-benzodiazepines

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