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We have studied the electronic structure and charge-carrier dynamics of individual single-wall carbon nanotubes (SWNTs) and nanotube ropes using optical and electron-spectroscopic techniques. The electronic structure of semiconducting SWNTs…

Materials Science · Physics 2009-11-10 A. Hagen , G. Moos , V. Talalaev , J. W. Tomm , T. Hertel

Single-Wall Carbon Nanotubes (SWNTs) are among the very few candidates for single-photon sources operating in the telecom bands since they exhibit large photon antibunching up to room temperature. However, coupling a nanotube to a photonic…

Actomyosin networks operate far from equilibrium, yet detecting the onset of motor-driven irreversible dynamics remains challenging. Here, we embed near-infrared (NIR) fluorescent single-walled carbon nanotubes (SWCNTs) within reconstituted…

Biological Physics · Physics 2025-12-08 Adi Hendler-Neumark , Itamar Magar , Shirel Kleiner , Geffen Rosenberg , Gili Bisker

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

With the aid of low-energy (500 eV) electron-beam direct writing, patterns of perpendicularly-aligned Single-wall carbon nanotube (SWNT) forests were realized on Nafion modified substrates via Fe3+ assisted self-assembly. Infrared…

Materials Science · Physics 2011-06-28 Haoyan Wei , Sang Nyon Kim , Harris L. Marcus , Fotios Papadimitrakopoulos

Optical hyperspectral imaging based on absorption and scattering of photons at the visible and adjacent frequencies denotes one of the most informative and inclusive characterization methods in material research. Unfortunately, restricted…

The electronic properties of as-prepared and purified unoriented single-walled carbon nanotube films were studied by transmission measurements over a broad frequency range (far-infrared up to visible) as a function of temperature (15 K -…

Mesoscale and Nanoscale Physics · Physics 2018-02-02 K. Thirunavukkuarasu , F. Hennrich , K. Kamarás , C. A. Kuntscher

The functionalization of single-walled carbon nanotubes (SWCNTs) with luminescent sp$^{3}$ defects has greatly improved their performance in applications such as quantum light sources and bioimaging. Here, we report the covalent…

The effects of oxidative treatment of single-walled carbon nanotubes (SWCNTs) on the adhesion and proliferation of human osteoblasts (SAOS-2) were investigated. The surface properties of SWCNTs after oxygen plasma treatment were…

Biological Physics · Physics 2021-07-26 Marie Kalbacova , Antonin Broz , Alexander Kromka , Oleg Babchenko , Martin Kalbac

Photoconductivity of single-crystalline selenium nanotubes (SCSNT) under a range of illumination intensities of a 633nm laser is carried out with a novel two terminal device arrangement at room temperature. It's found that SCSNT forms…

Materials Science · Physics 2008-06-18 Peng Liu , Yurong Ma , Weiwei Cai , Zhenzhong Wang , Limin Qi , Dongmin Chen

We investigated interaction between hydrogen molecules and bare as well as functionalized single-wall carbon nanotubes (SWNT) using first-principles plane wave method. We found that the binding energy of the H$_{2}$ physisorbed on the bare…

Materials Science · Physics 2009-11-11 S. Dag , Y. Ozturk , S. Ciraci , T. Yildirim

Semiconducting single-walled carbon-nanotubes (SWCNTs) are an interesting material for strong-light matter coupling due to their stable excitons, narrow emission in the near infrared and high charge carrier mobilities. Furthermore, they…

Materials Science · Physics 2021-03-17 Jan M. Lüttgens , Felix J. Berger , Jana Zaumseil

We demonstrate an optically active nanotube-hybrid material by functionalizing single-wall nanotubes with an azo-based chromophore. Upon UV illumination, the conjugated chromophore undergoes a cis-trans isomerization leading to a charge…

Materials Science · Physics 2009-11-13 J. M. Simmons , I. In , V. E. Campbell , T. J. Mark , F. Leonard , P. Gopalan , M. A. Eriksson

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

We report ultra-high density assembly of aligned single walled carbon nanotubes (SWNTs) two dimensional arrays via ac dielectrophoresis using high quality surfactant free and stable SWNT solutions. After optimization of frequency and…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 Shashank Shekhar , Paul Stokes , Saiful I. Khondaker

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

Advanced nanomaterials with enhanced optical and photocatalytic properties for the photodegradation of organic pollutants, in particular pharmaceuticals and personal care products (PPCPs), were successfully prepared by a swift one-pot…

Applied Physics · Physics 2022-09-26 D. M. Alves , J. V. Prata , A. J. Silvestre , O. C. Monteiro

This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is of significance in short (1 < L < 10 um)…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Eric Pop , David Mann , John Reifenberg , Kenneth Goodson , Hongjie Dai

The high-bias electrical transport properties of suspended metallic single-walled carbon nanotubes (SWNTs) are investigated at various temperatures in vacuum, in various gases and when coated with molecular solids. It is revealed that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 David Mann , Eric Pop , Jien Cao , Qian Wang , Kenneth Goodson , 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