Preparation of silane-capped boron nanoparticles with enhanced dispersibility in hydrocarbon fuels

Du, Meijie; Li, Gang

doi:10.1016/j.fuel.2017.01.001

Cited by 29 publications

(18 citation statements)

References 35 publications

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“…Typically, an effective modication strategy is to produce core/shell nano-structural derivatives. 79,84,[133][134][135][136][137][138] The derivatives usually consist of 0D boron nanomaterials as the core and other inorganic nanomaterials as the shell. Walton et al prepared boron core silica shell (B@SiO 2 ) nanoparticles, having spherical, monodisperse and water-dispersible features suitable for the aforementioned biomedical applications.…”

Section: Core/shell Nano-structuresmentioning

confidence: 99%

“…11c), 136 boron nano-powder passivated with an oxide layer of B 2 O 3 , 84 LiF-coated amorphous BNPs, 133 boron-aluminum core-shell nanoparticles, 134 core-shell boron nanoclusters B 74 , 137 and silane-coated BNPs with enhanced dispersibility. 138 Aer the growth of the functionalized coating layer, the resulting core-shell nano-structural derivatives exhibit markedly improved properties, functions and applications.…”

Section: Core/shell Nano-structuresmentioning

confidence: 99%

“…Previous studies have reported ignition and combustion properties for potential applications. 72,73,78,89,138,142,147,[174][175][176][177][178] Karmakar et al explored the ignition and combustion properties of BNPs in ethanol spray ame. 142 Kong et al studied the combustion characteristics of BNPs based on ame color images.…”

Section: Ignition and Combustionmentioning

confidence: 99%

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Experimental synthesis, functionalized modifications and potential applications of monoelemental zero-dimensional boron nanomaterials

Yang¹,

Jin²,

Sun³

et al. 2022

J. Mater. Chem. A

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Section: Core/shell Nano-structuresmentioning

confidence: 99%

Section: Core/shell Nano-structuresmentioning

confidence: 99%

Section: Ignition and Combustionmentioning

confidence: 99%

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Experimental synthesis, functionalized modifications and potential applications of monoelemental zero-dimensional boron nanomaterials

Yang¹,

Jin²,

Sun³

et al. 2022

J. Mater. Chem. A

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“…One of the most promising approaches is to coat the boron particles using a suitable material. Materials which have been chosen for boron coating include ammonium perchlorate [10–12], lithium perchlorate [12], ammonium nitrate [10], potassium nitrate [12], cyclotetramethylenetetranitramine (HMX) [10, 12], cyclotrimethylenetrinitramine (RDX) [10], B 4 C [13, 14], LiF [15], fluorocarbon rubber [15], silane [15, 16], glycidyl azide polymer (GAP) [17], oleic acid [18, 19], trioctylphosphine oxide (TOPO) [20] and so on. Coating of these materials, however, usually reduces the overall energy density of the resultant boron sample.…”

Section: Introductionmentioning

confidence: 99%

Effect of Encapsulation of Boron Nanoparticles Using Reduced Graphene Oxide on their Oxidation Characteristics

Zhang

2021

Propellants Explo Pyrotec

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Boron is a well‐known high‐energy solid. A thick oxide coating on the particle, however, inhibits its ignition and reduces its energy significantly. In this work, graphene nanosheets were used as a protective material for encapsulating boron nanoparticles (NPs) to prevent their oxidation from the air at room temperature. Boron‐reduced graphene oxide (RGO) composites were prepared under hydrothermal conditions using graphene oxide (GO) and commercial or washed boron NPs as precursors. Boron‐RGO composites were characterized using X‐ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy, X‐ray photoelectron spectroscopy (XPS), thermogravimetry (TG), and differential scanning calorimetry (DSC). XPS data show that no boron oxide or boric acid was present on the surface of washed boron particles and boron‐RGO composites. It seems that the removal of boron oxide or boric acid layer on the commercial boron particle surface and the reduction of graphene oxide occurred simultaneously during hydrothermal treatment. XRD data show that boric acid re‐formed on washed boron NPs but not on the boron‐RGO composites after these two samples had been exposed to ambient temperature air for four months. This indicates that the anti‐oxidation stability of boron against air at room temperature was improved greatly after encapsulation of reduced graphene oxide. The heat of combustion of boron‐RGO composites (46.6∼49.3 kJ ⋅ g−1) measured by oxygen bomb calorimetry was higher than that of the commercial boron NPs (43.4 kJ ⋅ g−1). Upon heating, the boron‐RGO composite begins oxidizing at a lower temperature than the commercial boron particles. A mechanism was proposed for encapsulation of boron NPs with RGO.

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“…Nevertheless, this approach usually requires chemical specificity between substrate and anchoring group. For example, thiols are useful for noble metals such as gold [2,3,4,5,6], platinum [7,8,9,10] and palladium [7,11], phosphates and phosphonates for metal oxides [12,13,14,15] and silanes for hydroxyl-bearing materials such as cellulose [16,17] and silicon oxides [18,19,20,21,22], zinc oxides [23,24], iron oxides [25,26], boron [27], and alumina [6] among others. In order to overcome this limitation, several research groups have drawn inspiration from mussel adhesive proteins, since it is known that they are able to strongly stick onto virtually any kind of surface, thus being usable as models for universal anchoring elements [28,29,30].…”

Section: Introductionmentioning

confidence: 99%

Copolymerization of a Catechol and a Diamine as a Versatile Polydopamine-Like Platform for Surface Functionalization: The Case of a Hydrophobic Coating

et al. 2017

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Abstract:The covalent functionalization of surfaces with molecules capable of providing new properties to the treated substrate, such as hydrophobicity or bioactivity, has been attracting a lot of interest in the last decades. For achieving this goal, the generation of a universally functionalizable primer coating in one-pot reaction and under relatively mild conditions is especially attractive due to its potential versatility and ease of application. The aim of the present work is to obtain such a functionalizable coating by a cross-linking reaction between pyrocatechol and hexamethylenediamine (HDMA) under oxidizing conditions. For demonstrating the efficacy of this approach, different substrates (glass, gold, silicon, and fabric) have been coated and later functionalized with two different alkylated species (1-hexadecanamine and stearoyl chloride). The success of their attachment has been demonstrated by evaluating the hydrophobicity conferred to the surface by contact angle measurements. Interestingly, these results, together with its chemical characterization by means of X-ray photoelectron spectroscopy (XPS) and Fourier-transform infrared spectroscopy (FT-IR), have proven that the reactivity of the primer coating towards the functionalizing agent can be tuned in function of its generation time.

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Preparation of silane-capped boron nanoparticles with enhanced dispersibility in hydrocarbon fuels

Cited by 29 publications

References 35 publications

Experimental synthesis, functionalized modifications and potential applications of monoelemental zero-dimensional boron nanomaterials

Experimental synthesis, functionalized modifications and potential applications of monoelemental zero-dimensional boron nanomaterials

Effect of Encapsulation of Boron Nanoparticles Using Reduced Graphene Oxide on their Oxidation Characteristics

Copolymerization of a Catechol and a Diamine as a Versatile Polydopamine-Like Platform for Surface Functionalization: The Case of a Hydrophobic Coating

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