Growth and Formation Mechanism of Branched Carbon Nanotubes by Pyrolysis of Iron(II) Phthalocyanine

Wei, Qiong; Liu, Yunyun; Zhang, Lijie; Huang, Shaoming

doi:10.1007/bf03353739

Cited by 9 publications

(6 citation statements)

References 27 publications

(13 reference statements)

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“…This is considerably lower as the adhesion of real gecko footpads (10 N/cm 2 ) [ 19 ], but the adhesion strength might be improved by smaller CNF diameters leading to a higher density and improvement of the CNF orientation resulting in more CNFs in contact with the surface. Additionally, hierarchically structured CNFs, such as Y-shaped CNFs [ 45 – 46 ], might help to better mimic a real gecko footpad, leading to an improved adhesion strength of artificial structures based on CNFs. Overall, the measurements demonstrate that CNF arrays have the potential for applications relying on adhesives with long-term stability under harsh environments.…”

Section: Resultsmentioning

confidence: 99%

Dry adhesives from carbon nanofibers grown in an open ethanol flame

Lutz¹,

Syurik²,

Kumar³

et al. 2017

Beilstein J. Nanotechnol.

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Based on magnetic-field-assisted growth of carbon nanofibers in an open ethanol flame we fabricated arrays of carbon nanofibers with different degrees of orientation. Inspired by the dry adhesive system of geckos we investigated the adhesive properties of such carbon nanofiber arrays with ordered and random orientation. AFM-based force spectroscopy revealed that adhesion force and energy rise linear with preload force. Carbon nanofibers oriented by a magnetic field show a 68% higher adhesion (0.66 N/cm2) than the randomly oriented fibers. Endurance tests revealed that the carbon nanofiber arrays withstand 50.000 attachment/detachment cycles without observable wear.

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Section: Resultsmentioning

confidence: 99%

Dry adhesives from carbon nanofibers grown in an open ethanol flame

Lutz¹,

Syurik²,

Kumar³

et al. 2017

Beilstein J. Nanotechnol.

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“…This will result in the enlargement of iron particles which is responsible for nanotube growth." This finding is important, as they noted that these larger particles were more likely to split into smaller ones, leading to branched nanotube growth [13].…”

Section: Experimental Studies and Branched Cns Productionmentioning

confidence: 96%

Growth, Properties, and Applications of Branched Carbon Nanostructures

Malik

Marchesan

2021

Nanomaterials

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Nanomaterials featuring branched carbon nanotubes (b-CNTs), nanofibers (b-CNFs), or other types of carbon nanostructures (CNSs) are of great interest due to their outstanding mechanical and electronic properties. They are promising components of nanodevices for a wide variety of advanced applications spanning from batteries and fuel cells to conductive-tissue regeneration in medicine. In this concise review, we describe the methods to produce branched CNSs, with particular emphasis on the most widely used b-CNTs, the experimental and theoretical studies on their properties, and the wide range of demonstrated and proposed applications, highlighting the branching structural features that ultimately allow for enhanced performance relative to traditional, unbranched CNSs.

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“…To create branched junctions of CNTs, one can use various methods and approaches, including direct growth [11,12,13], high-energy electron beam irradiation [14,15,16], forming junctions in strong electrical, optical, and thermal fields [17,18,19], as well as using atomic force microscopy [20]. The laser nanowelding technique seems to be the most promising method for obtaining high-quality 3D scaffolds from CNT junctions [21].…”

Section: Introductionmentioning

confidence: 99%

Protein-Polymer Matrices with Embedded Carbon Nanotubes for Tissue Engineering: Regularities of Formation and Features of Interaction with Cell Membranes

et al. 2019

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This paper reveals the mechanism of nanowelding a branched network of single-walled carbon nanotubes (SWCNTs) used as a framework for the formation of protein–polymer matrices with albumin, collagen, and chitosan. It is shown that the introduction of certain point defects into the structure of SWCNTs (single vacancy, double vacancy, Stone–Wales defect, and a mixed defect) allows us to obtain strong heating in defective regions as compared to ideal SWCNTs. The wavelengths at which absorption reaches 50% are determined. Non-uniform absorption of laser radiation along with inefficient heat removal in defective regions determines the formation of hot spots, in which nanowelding of SWCNTs is observed even at 0.36 nm between contacting surfaces. The regularities of formation of layered protein–polymer matrices and the features of their interaction with cell membrane are revealed. All studies are carried out in silico using high-precision quantum approaches.

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Growth and Formation Mechanism of Branched Carbon Nanotubes by Pyrolysis of Iron(II) Phthalocyanine

Cited by 9 publications

References 27 publications

Dry adhesives from carbon nanofibers grown in an open ethanol flame

Dry adhesives from carbon nanofibers grown in an open ethanol flame

Growth, Properties, and Applications of Branched Carbon Nanostructures

Protein-Polymer Matrices with Embedded Carbon Nanotubes for Tissue Engineering: Regularities of Formation and Features of Interaction with Cell Membranes

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