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Related papers: Interpreting Aqueous Two-Phase Extraction of Singl…

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Aqueous two-phase extraction (ATPE) is a versatile method for the purification of numerous chemical compounds and materials, ranging from proteins and nucleic acids to cell organelles and various nanostructures. However, despite its…

Materials Science · Physics 2025-08-14 Blazej Podlesny , Lukasz Czapura , Dawid Janas

Removal of impurities and aggregates from as-grown single walled-carbon nanotube (SWCNT) materials remains an important challenge in nanotube research and applications. We report a simple but effective purification method that uses…

Mesoscale and Nanoscale Physics · Physics 2013-12-17 Saunab Ghosh , Sergei M. Bachilo , R. Bruce Weisman

Aqueous two-phase (ATP) extraction has been demonstrated as a fast, scalable, and effective separation technique to sort single-wall carbon nanotubes (SWCNTs) according to their diameter and chiral structure. The exact mechanism behind the…

Aqueous two-phase systems (ATPSs), that is, phase-separating solutions of water soluble but mutually immiscible molecular species, offer fascinating prospects for selective partitioning, purification, and extraction. Here, we formulate a…

Soft Condensed Matter · Physics 2023-11-29 Alberto Scacchi , Carlo Rigoni , Mikko Haataja , Jaakko V. I. Timonen , Maria Sammalkorpi

Single-, double- and triple-walled carbon nanotubes (SWNTs, DWNTs and TWNTs) have been controlla- bly synthesized by an arc discharge method using asphalt as carbon source. The morphology and struc- ture of three kinds of products…

Materials Science · Physics 2014-06-10 Kai Xu , Yongfeng Li , Chunming Xu , Jinsen Gao , Hongwen Liu , Haitao Yang , Pierre Richard

The inability to synthesize single-wall carbon nanotubes (SWCNTs) possessing uniform electronic properties and chirality represents the major impediment to their widespread applications. Recently, there is growing interest to explore and…

Even though ultrasonication is considered to be an effective method to disperse carbon nanotubes (CNTs), its devastating effects on the nanotubes are often neglected. Here, even mild ultrasonication is found to rapidly extract the inner…

Mesoscale and Nanoscale Physics · Physics 2021-09-23 Maksiem Erkens , Sofie Cambré , Emmanuel Flahaut , Frédéric Fossard , Annick Loiseau , Wim Wenseleers

Double-walled carbon nanotubes (DWCNTs) combined the advantages of multi-walled (MW-) and single-walled (SW-) CNTs can be obtained by transforming the precursors (e.g. fullerene, ferrocene) into thin inner CNTs inside SWCNTs as templates.…

Materials Science · Physics 2019-01-28 Lei Shi , Jinquan Wei , Kazuhiro Yanagi , Takeshi Saito , Kecheng Cao , Ute Kaiser , Paola Ayala , Thomas Pichler

The work presents a comprehensive methodology to determine the Shielding Effectiveness (SE) of single-walled carbon nanotubes (SWCNTs)/polymer nanocomposites. Here, an algorithm based on Ant Colony Optimization (ACO) was employed to…

Applied Physics · Physics 2017-12-25 M. Sidhaarth , R. Suriyanarayanan , G. Srigovindan , R. Thiruvengadathan

In this article, we show that it is possible to differentiate between water adsorbed on the outside of a single-walled carbon nanotube and that confined inside. To this aim, we measured the electronic transport of a carbon nanotube based…

The excellent properties of transistors, wires, and sensors made from single-walled carbon nanotubes (SWNTs) make them promising candidates for use in advanced nanoelectronic systems. Gas-phase growth procedures such as the high pressure…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Danvers E. Johnston , Mohammad F. Islam , Arjun G. Yodh , Alan T. Johnson

We demonstrate, on the basis of molecular dynamics simulations, the possibility of an efficient water-ethanol separation using nanoporous carbon membranes, namely carbon nanotube membranes, nanoporous graphene sheets, and multilayer…

Soft Condensed Matter · Physics 2016-09-28 Simon Gravelle , Hiroaki Yoshida , Laurent Joly , Christophe Ybert , Lydéric Bocquet

Semiconducting single-wall carbon nanotubes (SWCNTs) are a promising material platform for near-infrared in-vivo imaging, optical sensing, and single-photon emission at telecommunication wavelengths. The functionalization of SWCNTs with…

Materials Science · Physics 2024-11-20 Finn L. Sebastian , Simon Settele , Han Li , Benjamin S. Flavel , Jana Zaumseil

The present communication highlights that ac conductivity measurement of the multi-walled carbon nanotubes (MWNTs)-polymer composites is a very promising characterizing tool for qualifying any crude MWNT-sample synthesized by electric arc.…

Materials Science · Physics 2007-09-26 Soumen Karmakar , Harshada Nagar , J P Jog , S V Bhoraskar , A K Das

We report on single-wall carbon nanotube (SWCNT) specific $^{13}$C isotope enrichment. The high temperature annealing of isotope enriched fullerenes encapsulated in SWCNTs yields double-wall carbon nanotubes (DWCNTs) with a high isotope…

Materials Science · Physics 2007-05-23 F. Simon , Ch. Kramberger , R. Pfeiffer , H. Kuzmany , V. Zolyomi , J. Kurti , P. M. Singer , H. Alloul

The extraordinary one-dimensional properties of carbon nanotubes have captivated scientists and engineers since their discovery in the early 1990s. In particular, semiconducting single-wall carbon nanotubes (SWCNTs) are highly promising for…

Applied Physics · Physics 2026-04-09 Ting-Wei Chang , Gustavo M. Rodriguez-Barrios , Andrey Baydin , Junichiro Kono

We present a novel floating catalyst synthesis route for individual, i.e. non-bundled, small diameter single-walled carbon nanotubes (SWCNTs) with a narrow chiral angle distribution peaking at high chiralities near the armchair species. An…

Efforts aimed at large-scale integration of nanoelectronic devices that exploit the superior electronic and mechanical properties of single-walled carbon nanotubes (SWCNTs) remain limited by the difficulties associated with manipulation and…

It remains an elusive goal to achieve high performance single-walled carbon nanotube (SWNTs) field effect transistors (FETs) comprised of only single chirality SWNTs. Many separation mechanisms have been devised and various degrees of…

Materials Science · Physics 2009-02-03 Li Zhang , Xiaomin Tu , Kevin Welsher , Xinran Wang , Ming Zheng , Hongjie Dai

Applications based on Single Walled Carbon Nanotube (SWNT) are good example of the great need to continuously develop metrology methods in the field of nanotechnology. Contact and interface properties are key parameters that determine the…

Mesoscale and Nanoscale Physics · Physics 2012-01-23 Julien Buchoux , Ludovic Bellon , Sophie Marsaudon , Jean-Pierre Aimé
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