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Biological systems are known to be highly transparent to 700-1100nm near-infrared (NIR) light. It is shown here that the strong optical absorbance of single-walled carbon nanotubes (SWNTs) in this special spectral window, an intrinsic…

Materials Science · Physics 2015-06-25 Nadine Wong Shi Kam , Michael O'Connell , Jeffrey A. Wisdom , Hongjie Dai

Single-walled carbon nanotubes (SWCNT) can be assembled into various macroscopic architectures, most notably continuous fibers and films, produced currently on a kilometer per day scale by floating catalyst chemical vapor depositionand…

Applied Physics · Physics 2019-08-23 Belén Alemán , Juan J. Vilatela

We present a systematic experimental investigation of the reactions between hydrogen plasma and single-walled carbon nanotubes (SWNTs) at various temperatures. Microscopy, infrared (IR) and Raman spectroscopy and electrical transport…

Materials Science · Physics 2007-05-23 Guangyu Zhang , Pengfei Qi , Xinran Wang , Yuerui Lu , David Mann , Xiaolin Li , Hongjie Dai

Carbon-nanofillers are known for improving the desired properties of polymers. The dispersion quality of nanofillers in the matrix is vital for the fabrication of high-performance nanocomposites. An effective approach for improving…

Applied Physics · Physics 2020-12-11 Amir Navidfar , Osman Bulut , Tugba Baytak , Hikmet Iskender , Levent Trabzon

High-performance single-wall carbon nanotube field-effect transistors (SWNT-FETs) are fabricated using directed assembly and mass-produced carbon nanotubes (CNTs). These FETs exhibit operating characteristics comparable to state-of-the-art…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. A. McGill , S. G. Rao , P. Manandhar , S. Hong , P. Xiong

Carbon Nanotubes (CNTs) of sufficiently large diameter and a few layers self-collapse into flat ribbons at atmospheric pressure, forming bundles of stacked CNTs that maximize packing and thus CNT interaction. Their improved stress transfer…

Biomedical applications of carbon nanotubes have attracted much attention in recent years. Here, we summarize our previously developed protocols for functionalization and bioconjugation of single wall carbon nanotubes (SWNTs) for various…

Materials Science · Physics 2009-10-06 Zhuang Liu , Scott Tabakman , Zhuo Chen , Hongjie Dai

Gallium displays physical properties which can make it a potential element to produce metallic nanowires and high-conducting interconnects in nanoelectronics. Using first-principles pseudopotential plane method we showed that Ga can form…

Other Condensed Matter · Physics 2009-11-11 Engin Durgun , Sefa Dag , Salim Ciraci

Molecular dynamics simulations have been used to investigate the structures of Lennard-Jones (LJ) nanowires (NWs) encapsulated by carbon nanotubes (CNTs). We found that, when the radius of CNTs is small, the structures of NWs are quite…

Mesoscale and Nanoscale Physics · Physics 2012-10-09 W. Q. Wu , Q. H. Yuan , D. Y. Sun

We present a fabrication scheme called 'fork stamping' optimized for the dry transfer of individual pristine carbon nanotubes (CNTs) onto ferromagnetic contact electrodes fabricated by standard lithography. We demonstrate the detailed…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 J. Gramich , A. Baumgartner , M. Muoth , C. Hierold , C. Schönenberger

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…

A mechanism of stimulated emission of electromagnetic radiation by an electron beam in carbon nanotubes is theoretically considered. Three basic properties of carbon nanotubes, a strong slowing down of surface electromagnetic waves,…

Mesoscale and Nanoscale Physics · Physics 2008-07-22 K. G. Batrakov , S. A. Maksimenko , P. P. Kuzhir , C. Thomsen

Single-walled carbon nanotubes are promising nanoelectronic materials but face long-standing challenges including production of pure semiconducting SWNTs and integration into ordered structures. Here, highly pure semiconducting…

We demonstrate that AC arc discharge under de-ionized water which has been recently used for carbon nanotubes (CNT) production can be modified to increase the quantity and quality of carbon nanotubes by applying a magnetic field. The carbon…

Materials Science · Physics 2013-08-28 V. K. Jindal , K. Dharamvir , Vitisha Suman , Mepam Tsomo

We introduce a simple approach to fabricate aligned carbon nanotube (ACNT) device for broadband polarization control in fiber laser systems. The ACNT device was fabricated by pulling from as-fabricated vertically-aligned carbon nanotube…

A scheme of the scanning rotational microscope is designed. This scheme is based on using carbon nanotubes simultaneously as a probe tip and as a bolt/nut pair which converts translational displacements of two piezo actuators into pure…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Andrey M. Popov , Irina V. Lebedeva , Andrey A. Knizhnik

We show that the band structure of a carbon nanotube (NT) can be dramatically altered by mechanical strain. We employ an atomic force microscope tip to simultaneously vary the NT strain and to electrostatically gate the tube. We show that…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 E. D. Minot , Yuval Yaish , Vera Sazonova , Ji-Yong Park , Markus Brink , Paul L. McEuen

We report optical separation of metallic and semiconducting single walled carbon nanotubes of specific diameters from well-dispersed, stable solution. This phenomenon of optical separation was studied using lamps of different frequencies…

Mesoscale and Nanoscale Physics · Physics 2015-09-01 Madhusudana Gopannagari , Vikram Bakaraju , Harsh Chaturvedi

Nanopores made with low dimensional semiconducting materials, such as carbon nanotubes and graphene slit pores, are used in supercapacitors. In theories and simulations of their operation, it is often assumed that such pores screen ion-ion…

Materials Science · Physics 2017-01-24 Alpha A. Lee , Dominic Vella , Alain Goriely

The methods of carbon nanotubes (CNTs) growth inside nanoporous materials are among the best candidates to fabricate CNTs with controlled geometrical parameters. We report obtaining CNTs by pyrolysis of sugar water and show that this…

Materials Science · Physics 2013-09-16 V. Y. Butko , A. V. Fokin , V. N. Nevedomsky , Y. A. Kumzerov
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