نتایج جستجو برای: single wall carbon nanotube swcnt

تعداد نتایج: 1285475  

Journal: :Nano letters 2010
Yossi Weizmann Jeewoo Lim David M Chenoweth Timothy M Swager

The synthesis of precisely defined nanoscale hybrid materials remains a challenge at the frontier of chemistry and material science. In particular, the assembly of diverse high-aspect ratio one-dimensional materials such as gold nanorods and carbon nanotubes into functional systems is of ever increasing interest due to their electronic and sensing applications. To meet these challenges, methods...

A. Amrollahi A. Behzadmehr, A. M. Rashidi M. Izadi M. M. Shahmardan

This paper was aimed to address the modeling of effective thermal conductivity and viscosity of carbon structured nanofluids. Response surface methodology, D_optimal design (DOD) was employed to assess the main and interactive effects of temperature (T) and weight percentage (wt %) to model effective thermal conductivity and viscosity of multi wall and single wall carbon nanotube, CVD and RGO G...

2011
M. A. N. Dewapriya R. K. N. D. Rajapakse

The presence of defects in a regular structure of graphene and carbon nanotubes (CNTs) can significantly influence their mechanical properties. In this work, the effect of an absence of a carbon atom (vacancy defect) on the strength of a graphene sheet and a single walled carbon nanotube (SWCNT) is studied using quasi static molecular dynamics (QSMD) simulations. Results show that a graphene sh...

Journal: :Micromachines 2015
Shuangxi Xie Niandong Jiao Steve Tung Lianqing Liu

Graphene and single-walled carbon nanotube (SWCNT) have been widely studied because of their extraordinary electrical, thermal, mechanical, and optical properties. This paper describes a novel and flexible method to fabricate all-carbon field-effect transistors (FETs). The fabrication process begins with assembling graphene grown by chemical vapor deposition (CVD) on a silicon chip with SiO2 as...

2006
Chen Dong Wei Wang Maher Rizkalla

The electrical properties of metallic carbon nanotubes (CNT) can rival, or even exceed, the best metals known. It is a potential candidate for future on-chip interconnect, whose performance will be dominant in the next generation integrated circuits. In this paper, a study on the modeling and simulation techniques for the CNT interconnect network is carried out. The frequency-independent models...

2016
Xinxin Yan Wen Yang Zengwu Shao Shuhua Yang Xianzhe Liu

Carbon nanomaterials are becoming increasingly significant in biomedical fields since they exhibit exceptional physicochemical and biocompatible properties. Today, the stem cells offer potentially new therapeutic approaches in tissue engineering and regenerative medicine. However, the induction of differentiation into specific lineages remains challenging, which provoked us to explore the biome...

2008
David Tomanek

A bstract. Detailed growth mechanism of single-wall nanotube bundles and of multiwall nanotubes of carbon is investigated using ab initio and parametrized calculations. Our results show that single-wall tubes grow only in presence of a catalyst, whereas multi-wall tubes, stabilized at the growing edge by a covalent "lip-lip" interaction, may form in a pure carbon atmosphere. The individual tube...

Journal: :Advanced electronic materials 2021

The fabrication of planar junctions in carbon nanomaterials is a promising way to increase the optical sensitivity optoelectronic nanometer-scale devices photonic connections, sensors, and photovoltaics. Utilizing unique lithography approach based on direct femtosecond laser processing, fast easy technique for modification single-walled nanotube (SWCNT) properties through localized two-photon o...

Journal: :Soft science 2022

Significant progress has been achieved for flexible polymer thermoelectric (TE) composites in the last decade due to their potential application wearable devices and sensors. In sharp contrast exceptional increase TE studies at room temperature, mechanical performance of received relatively less attention despite significance high-temperature environments. The performances poly(3,4-ethylenediox...

2014
Jungkyu Park Vikas Prakash Naoki Kishi

In the present study, reverse nonequilibrium molecular dynamics is employed to study thermal resistance across interfaces comprising dimensionally mismatched junctions of single layer graphene floors with (6,6) single-walled carbon nanotube (SWCNT) pillars in 3D carbon nanomaterials. Results obtained from unit cell analysis indicate the presence of notable interfacial thermal resistance in the ...

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