Transition of carbon nanostructures in heptane diffusion flames

Hu, Wei Chieh; Hou, Shuhn-Shyurng; Lin, Ta Hui

doi:10.1007/s11051-017-3785-y

Cited by 6 publications

(10 citation statements)

References 27 publications

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Section: Introductionmentioning

confidence: 99%

“…Carbon nanoparticles (CNP) are identified with unusual mechanical, electrical, and chemical properties [ 3 , 4 , 5 ]. The most notable of these nanostructures are carbon nanotubes (CNT) and carbon nano-onions (CNO) [ 4 ]. CNTs provide an alternative to use for composite materials reinforcement, fuel cells, Li-ion batteries, and hydrogen storage [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…[ 22 ]). For carbon nanomaterials, the most conventional method is chemical vapor deposition (CVD) [ 3 , 4 , 24 , 25 , 26 ], although there are other methods such as arc discharge and laser ablation [ 3 , 4 , 25 , 26 ]. Metal-oxide nanoparticles, including TiO 2 , SiO 2 , Fe x O y , and Al x O y , can be produced using the Stöber method [ 14 ] and precipitation [ 27 ].…”

Section: Introductionmentioning

confidence: 99%

“…Flames based on hydrocarbon fuels represent a continuous carbon source, which—in addition to the autothermal conditions in the flame—provides a more highly efficient process compared with CVD in the production of CNPs [ 3 , 24 ]. This process can also be performed with less expense, since low energy consumption and simpler devices are used [ 4 ]. Currently, the flame synthesis method is the main technique used worldwide for fabricating titanium-based nanoparticles on a large scale [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

“…In certain metal-oxides and carbon NPs, combustion operating parameters significantly influence their properties (e.g., structural phase) [ 11 , 12 , 18 ], as shown in alumina NPs [ 18 ], and iron-oxide nanoparticles [ 13 ], with special consideration for the hematite phase [ 12 ] and the CNTs, where an analysis of the effects on their features from the sampling substrate [ 3 ], and the fuel structure [ 4 , 25 ] were conducted. Turbulent flames also improved the production of NPs at a large scale.…”

Section: Introductionmentioning

confidence: 99%

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Flame Synthesis of Carbon and Metal-Oxide Nanoparticles: Flame Types, Effects of Combustion Parameters on Properties and Measurement Methods

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Carbon and metal-oxide nanoparticles (NP) are currently synthesized worldwide for various applications in the solar-energy, optical, pharmaceutical, and biomedical industries, among many others. Gas phase methods comprise flame synthesis and flame spray pyrolysis (FSP), which provide high efficiency, low cost, and the possibility of large-scale applications. The variation of combustion operation parameters exerts significant effects on the properties of the NPs. An analysis of the latest research results relevant to NP flame synthesis can provide new insight into the optimization of these methods and the development of these techniques for a large scale. This review offers insight into the current status of flame synthesis for carbon and metal-oxide NPs—specifically containing analysis and comparison of the most common carbon and metal-oxide NP production techniques. The burner configurations used at the laboratory scale and large scale are also discussed, followed by the assessment of the influence of combustion parameters on the properties of NPs. Finally, the features of the measurement techniques applied for determining NP properties were described.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Flame Synthesis of Carbon and Metal-Oxide Nanoparticles: Flame Types, Effects of Combustion Parameters on Properties and Measurement Methods

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Application of supercritical fluid in the synthesis of graphene materials: a review

et al. 2021

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works on the production of graphene facilitated by SCFs, with emphasis on the conversion of graphite to graphene through exfoliation and reduction. The exfoliation processes report the yield of 6 to 27% of monolayer graphene and 3 to 25% of ≤ 5 layers of graphene, whilst the carbon-to-oxygen (C/O) ratio of graphene produced via different reduction processes ranges from 0.37 to 28.2 with interlayer spacing of 0.35 to 0.38 nm. Recent applications of gasexpanded solvents for the synthesis of graphene and Abstract The studies on the utilisation of supercritical fluids (SCFs) in processing chemicals and materials have garnered significant attention in the past two decades. SCFs possess both gas-and liquid-like properties that are tunable, rendering them as superior solvents for reactions and processes, for example in the delamination of graphite. SCF technologies are deemed to be potential alternatives to existing technologies for graphene production that are yet to be industrially scalable. This review features recent Y. X. Pang • C. H. Pang

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Zero-dimensional model for the prediction of carbon nanotube (CNT) growth region in heterogeneous methane-flame environment

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Transition of carbon nanostructures in heptane diffusion flames

Cited by 6 publications

References 27 publications

Flame Synthesis of Carbon and Metal-Oxide Nanoparticles: Flame Types, Effects of Combustion Parameters on Properties and Measurement Methods

Flame Synthesis of Carbon and Metal-Oxide Nanoparticles: Flame Types, Effects of Combustion Parameters on Properties and Measurement Methods

Application of supercritical fluid in the synthesis of graphene materials: a review

Zero-dimensional model for the prediction of carbon nanotube (CNT) growth region in heterogeneous methane-flame environment

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