Extracting subnanometer single shells from ultralong multiwalled carbon nanotubes.
Byung Hee Hong,Joshua P. Small,Meninder Purewal,Asher Mullokandov,Matthew Y. Sfeir,Feng Wang,Ju Young Lee,Tony F. Heinz,Louis E. Brus,Philip Kim,Kwang S. Kim +10 more
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A simple but powerful method for engineering multi-walled carbon nanotubes (MWNTs) by using manipulation by an atomic-force microscope, which changes the electrical characteristics of the MWNTs.Abstract:
We report a simple but powerful method for engineering multi-walled carbon nanotubes (MWNTs) by using manipulation by an atomic-force microscope. The successive shell-by-shell extraction process of ultralong MWNTs allows the exposure of the innermost single-walled carbon nanotubes (SWNTs), which have diameters as small as ≈0.4 nm. The inner-shell extraction process changes the electrical characteristics of the MWNTs. Whereas the outer hollowed-out nanotubes show either metallic or semiconducting character, the innermost SWNTs of small diameter exhibit predominantly metallic transport properties.read more
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Functionalization of Graphene: Covalent and Non-Covalent Approaches, Derivatives and Applications
Vasilios Georgakilas,Michal Otyepka,Athanasios B. Bourlinos,Vimlesh Chandra,Namdong Kim,K. Christian Kemp,Pavel Hobza,Pavel Hobza,Pavel Hobza,Radek Zboril,Kwang S. Kim +10 more
TL;DR: Approaches, Derivatives and Applications Vasilios Georgakilas,† Michal Otyepka,‡ Athanasios B. Bourlinos,† Vimlesh Chandra, Namdong Kim, K. Kim,§,⊥ Radek Zboril,*,‡ and Kwang S. Kim.
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Zero-dimensional, one-dimensional, two-dimensional and three-dimensional nanostructured materials for advanced electrochemical energy devices
TL;DR: In this paper, the authors focus on recent progress in advanced nanostructured materials (NSMs) as building blocks for EEDs (such as fuel cells, supercapacitors, and Li-ion batteries) based on investigations at the 0D, 1D, 2D and 3D NSMs.
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Understanding of assembly phenomena by aromatic-aromatic interactions: benzene dimer and the substituted systems.
TL;DR: The presence of substituents on the aromatic ring, irrespective of their electron withdrawing or donating nature, leads to an increase in the binding energy, and the displaced-stacked conformations are more stabilized than the T-shaped conformers, which explains the wide prevalence of displaced stacked structures in organic crystals.
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Fast DNA sequencing with a graphene-based nanochannel device
TL;DR: It is shown that as a DNA strand passes through the nanochannel, the distinct conductance characteristics of the nanoribbon allow the different nucleobases to be distinguished using a data-mining technique and a two-dimensional transient autocorrelation analysis.
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Adsorptive removal of antibiotics from aqueous solution using carbon materials.
Fei Yu,Yong Li,Sheng Han,Jie Ma +3 more
TL;DR: This work provides theoretical guidance for subsequent research in the design and modification of carbon materials for applications in the adsorption removal of antibiotics from aqueous solution.
References
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Strength and breaking mechanism of multiwalled carbon nanotubes under tensile load
TL;DR: The tensile strengths of individual multiwalled carbon nanotubes (MWCNTs) were measured with a "nanostressing stage" located within a scanning electron microscope and a variety of structures were revealed, such as a nanotube ribbon, a wave pattern, and partial radial collapse.
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Structure-Assigned Optical Spectra of Single-Walled Carbon Nanotubes
Sergei M. Bachilo,Michael S. Strano,Carter Kittrell,Robert H. Hauge,Richard E. Smalley,R. Bruce Weisman +5 more
TL;DR: Optical spectroscopy can be used to rapidly determine the detailed composition of bulk SWNT samples, providing distributions in both tube diameter and chiral angle.
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Engineering Carbon Nanotubes and Nanotube Circuits Using Electrical Breakdown
TL;DR: A simple and reliable method for selectively removing single carbon shells from MWNTs and SWNT ropes to tailor the properties of these composite nanotubes and to directly address the issue of multiple-shell transport.
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Bending and buckling of carbon nanotubes under large strain
Michael R. Falvo,G. J. Clary,Russell M. Taylor,Vernon L. Chi,Frederick P. Brooks,Sean Washburn,Richard Superfine +6 more
TL;DR: It is shown that multiwalled carbon nanotubes can be bent repeatedly through large angles using the tip of an atomic force microscope, without undergoing catastrophic failure.
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A tunable carbon nanotube electromechanical oscillator
TL;DR: The electrical actuation and detection of the guitar-string-like oscillation modes of doubly clamped nanotube oscillators are reported and it is shown that the resonance frequency can be widely tuned and that the devices can be used to transduce very small forces.