نتایج جستجو برای: single walled carbon nanotube swcnt

تعداد نتایج: 1138427  

Journal: :Nanotechnology 2008
Bharat Bhushan Barbara Galasso Cristina Bignardi Cattien V Nguyen Liming Dai Liangti Qu

The nanotribological characterization of carbon nanotubes is fundamental for the exploration of new sliding applications. In this study, a comprehensive investigation of adhesion, friction and wear of a multiwalled nanotube (MWNT) tip, and SWNT (single-walled nanotube) and MWNT arrays has been carried out. A nonlinear response of the MWNT tip is observed when the tip is brought into and out of ...

2017
Zhenghong Gao Noémie Danné Antoine Guillaume Godin Brahim Lounis Laurent Cognet

Fluorescence imaging of biological systems down to the single-molecule level has generated many advances in cellular biology. For applications within intact tissue, single-walled carbon nanotubes (SWCNTs) are emerging as distinctive single-molecule nanoprobes, due to their near-infrared photoluminescence properties. For this, SWCNT surfaces must be coated using adequate molecular moieties. Yet,...

2014
Hari Krishna Salila Vijayalal Mohan Jianing An Yani Zhang Chee How Wong Lianxi Zheng

A single-walled carbon nanotube (SWCNT) in a field-effect transistor (FET) configuration provides an ideal electronic path for label-free detection of nucleic acid hybridization. The simultaneous influence of more than one response mechanism in hybridization detection causes a variation in electrical parameters such as conductance, transconductance, threshold voltage and hysteresis gap. The cha...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Ali Javey Pengfei Qi Qian Wang Hongjie Dai

A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths of approximately 10-50 nm between metal contacts. Large numbers of such short devices are obtained without the need of complex tools such as electron beam lithography. Metallic SWCNTs with lengths of approximately 10 nm, near the ...

Journal: :Analytical chemistry 2011
John-David R Rocha Sergei M Bachilo Saunab Ghosh Sivaram Arepalli R Bruce Weisman

A new method and instrumentation are described for rapid compositional analysis of single-walled carbon nanotube (SWCNT) samples. The customized optical system uses multiple fixed-wavelength lasers to excite NIR fluorescence from SWCNTs individualized in aqueous suspensions. The emission spectra are efficiently captured by a NIR spectrometer with InGaAs multichannel detector and then analyzed b...

2013
S J Tan S W Harun F Ahmad R M Nor N R Zulkepely H Ahmad

A Q-switched multi-wavelength Brillouin erbium fiber laser (MWBEFL) is demonstrated using a single-walled carbon nanotube–polyethylene oxide (SWCNT–PEO) saturable absorber (SA). The SA is fabricated by cutting off a small part of the developed SWCNT–PEO film and sandwiching it in between two FC/PC (fiber connector/physical contact) fiber connectors. Multi-wavelength combs with ten lasing lines ...

2016
Jin Zhang Qin Zhu Yumin Zhang Zhongqi Zhu Qingju Liu

The single-walled carbon nanotube (SWCNT)-molecularly imprinted powder (MIP) composites in this paper were prepared by mixing SWCNTs with MIPs. The structure and micrograph of the as-prepared SWCNTs-MIPs samples were characterized by XRD and TEM. The gas-sensing properties were tested through indirect-heating sensors based on SWCNT-MIP composites fabricating on an alumina tube with Au electrode...

2008
Yan-Gao Hu

This paper investigates the transverse and torsional wave in singleand double-walled carbon nanotubes (SWCNTs and DWCNTs), focusing on the effect of carbon nanotube microstructure on wave dispersion. The SWCNTs and DWCNTs are modeled as nonlocal single and double elastic cylindrical shells. Molecular dynamics (MD) simulations indicate that the wave dispersion predicted by the nonlocal elastic c...

2016
Jianing An Zhaoyao Zhan Gengzhi Sun Hari Krishna Salila Vijayalal Mohan Jinyuan Zhou Young-Jin Kim Lianxi Zheng

Leveraging the unique properties of single-walled carbon nanotube (SWNT) intramolecular junctions (IMJs) in innovative nanodevices and next-generation nanoelectronics requires controllable, repeatable, and large-scale preparation, together with rapid identification and comprehensive characterization of such structures. Here we demonstrate SWNT IMJs through directly growing ultralong SWNTs on tr...

Journal: :Journal of Analytical Science and Technology 2023

Abstract This paper describes a simple electrochemical sensing platform based on single-walled carbon nanotube (SWCNT) electrodes for glucose detection. The device fabrication using O 2 -plasma treatment allows precision and uniformity the construction of three SWCNT flexible plastic substrate. Glucose assay can be simply accomplished by introducing sample into fabricated biosensor. marked elec...

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