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carbon nanotubes

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Series: Clay Minerals Society Workshop Lectures
Published: 01 January 2007
DOI: 10.1346/CMS-WLS-15.9
EISBN: 9781881208358
... ). The second presents Young modulus decreases for single wall carbon nanotube/epoxy nanocomposites ( Vaccarini, 2000 ). The differences will be analyzed in terms of nanoparticle morphology, interface properties and confinement effects. It will be demonstrated that the intrinsic properties of the nanofiller...
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Image
Shrinkage of a <b>carbon</b> <b>nanotube</b> (CNT) that is caused by structural reorganiz...
Published: 01 August 2014
Figure 1 Shrinkage of a carbon nanotube (CNT) that is caused by structural reorganization around vacancies in its graphitic networks. (Adapted from Sun et al. 2006a .) (Color online.)
Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 457-467.
.... They are biocompatible nanomaterials and widely available in nature, which makes them good candidates for application in biomedicine. Compared with other types of nanoparticles such as polymer nanoparticles and carbon nanotubes, the drawbacks associated with HNTs include brittleness, difficulty with fabrication, low...
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Journal Article
Published: 14 November 2018
Journal of the Geological Society (2018) 176 (2): 337-347.
..., such as carbon nanotubes, graphene nanoribbons, porous carbon and fullerene. As in any crystalline phase, the crystal structures of natural carbon allotropes (i.e. graphite and diamond) contain various types of imperfections. These so-called lattice defects are classified by their dimensions into 0D (point), 1D...
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Journal Article
Journal: Elements
Published: 01 December 2014
Elements (2014) 10 (6): 447-452.
...Michele Lazzeri; Amelia Barreiro Abstract Fullerenes, carbon nanotubes, and graphene are nanometer-sized forms of carbon with the properties of almost ideal low-dimensional systems. These systems have been at the center of exceptionally intense scientific interest. They have been considered...
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Series: European Mineralogical Union Notes in Mineralogy
Published: 01 January 2017
EISBN: 9780903056663
... potential (∆ψ m ); mitogen-activated protein kinase (MAPK); multi-walled carbon nanotubes (MWCN); nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 4 (Nox-4); non-small cell lung cancer (NSCLC); 8-oxoguanine-DNA glycosylase 1 (OGG1); particulate matter (PM); protein kinase-like ER kinase (PERK...
Journal Article
Journal: Clay Minerals
Published: 01 December 2017
Clay Minerals (2017) 52 (4): 427-438.
.... , Xia J.B. , Wang L.Y. , Tu J.P. & Xu Z.D. ( 2003 ) Tribological behavior of carbon-nanotube-filled PTFE composites . Tribology Letters , 215 , 275 – 278 . Cheng Z.L. & Sun W. ( 2016 ) Structure and physical properties of halloysite nanotubes . Acta...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2018
Clay Minerals (2018) 53 (4): 643-656.
...-modified carbon nanotube (CNT)/PTFE nanocomposite had greater thermal stability and better mechanical properties than the pristine CNT/PTFE nanocomposite (Cheng & Cheng, 2013 ). The effects of silane coupling agents on the properties of the SiO 2 -filled PTFE composites have also been investigated...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 469-477.
... for intercalation to occur ( Krejčová et al. , 2012 ; Lvov& Abdullayev, 2013 ). Halloysite nanotubes have been emerging as promising nanovehicles for delivery of vaccines and genes. Halloysite nanotubes with carboxyl functionalized multi-walled carbon nanotubes have undergone observation for the delivery...
Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 479-487.
... of nanofillers such as layered silicates which need an intercalation between layers beforehand. Their parallel-sided shapes make sure HNTs are less agglomerated during the modification process compared with carbon nanotubes or silicate layered nanoclays. The HNTs do not need to be separated or exfoliated from...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 435-444.
... nanotubes (HNTs) have been modified by a scalable and tunable procedure using magnetic Fe oxide particles prepared by microwave-assisted synthesis from ferrous sulfate at high pH. The HNT content in composites prepared in melt varied from 5 to 30 wt.%. Application of magnetically modified HNT to PCL...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 445-455.
...Giuseppe Cavallaro; Giuseppe Lazzara; Stefana Milioto; Filippo Parisi Abstract Hybrid material based on halloysite nanotubes (HNTs) and sodium perfluorooctanoate (NaPF8) was used as a consolidant for paper treatment. The consolidation efficiency was determined by thermogravimetry as well...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 373-383.
...Nia Gray; David G. Lumsdon; Stephen Hillier Abstract The cation exchange capacity (CEC) of seven well characterized halloysite nanotubes (HNTs) in the dehydrated 7 Å form has been measured using a method based on cobalt hexammine exchange. In addition to unbuffered measurements, which varied...
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Journal Article
Published: 01 December 2012
Clays and Clay Minerals (2012) 60 (6): 561-573.
... for determination of lattice parameters. Energy dispersive X-ray (EDX) analysis was used for the compositional analysis. The TEM specimens were prepared as follows: the clay or heating product powder was dispersed ultrasonically in ethanol for 5 min, and then a drop of the suspension was deposited onto a carbon...
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Journal Article
Published: 01 April 2015
Clays and Clay Minerals (2015) 63 (2): 132-143.
... spinning nuclear magnetic resonance spectroscopy. The results show that the imogolite nanotubes can be prepared with high yields (>55%) from AlCl 3 ·6H 2 O and Na 4 SiO 4 aqueous solutions with an Al/Si molar ratio of 2.5, addition of HF for a F/Si molar ratio of 0.1–0.2, and 4 days of crystallization...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 325-350.
... which occur primarily in planar platy or blocky forms, many halloysites adopt an unusual tubular morphology. Spheroidal halloysite is also very well documented especially from soils, but here our focus will be entirely on the tubular form of halloysite, increasingly referred to as halloysite nanotubes...
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Journal Article
Published: 01 August 2009
Clays and Clay Minerals (2009) 57 (4): 452-464.
... steps. An increase in the structural disorder and extensive delamination of the minerals subjected to chemical treatment were recorded. Kaolinite particles which exhibited tubular morphology or showed rolling effects were observed using TEM. The nanotubes formed were ~30 nm in diameter...
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Journal Article
Journal: Geology
Published: 29 June 2017
Geology (2017) 45 (9): 771-774.
...Mara R. Diaz; Gregor P. Eberli; Patricia Blackwelder; Brian Phillips; Peter K. Swart Abstract While ooids have been significant components of many shallow-water carbonates throughout Earth’s history, their abiotic or biotic origin has been much debated. Herein, we evaluate ooids from five locations...
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Journal Article
Published: 01 December 2016
American Mineralogist (2016) 101 (12): 2666-2676.
... in applied physics for single- or multi-wall carbon nanotube synthesis ( Martel et al. 1998 ). The structural transformation at atomic scale, from serpentine precursor to serpentine end-members, in the MgO-SiO 2 -H 2 O system account for small-scale mass transfer at mineral scale during olivine...
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Journal Article
Published: 01 May 2016
American Mineralogist (2016) 101 (5): 1113-1124.
... of carbon nanotubes derived from 13 C NMR . Physical Review B , 84 , 165417 . Alam T.M. Friedmann T.A. Jurewicz J.G. ( 2002 ) Solid state 13 C MAS NMR investigations of amorphous carbon thin films structural changes during annealing . In Soriaga M.P. Stickney J. Bottomley...
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