scholarly journals Carbon Nanotubes: Selective Breakdown of Metallic Pathways in Double-Walled Carbon Nanotube Networks (Small 1/2015)

Small ◽  
2015 ◽  
Vol 11 (1) ◽  
pp. 1-1 ◽  
Author(s):  
Allen L. Ng ◽  
Yong Sun ◽  
Lyndsey Powell ◽  
Chuan-Fu Sun ◽  
Chien-Fu Chen ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Carbon Nanotube Networks

scholarly journals Growth and structural discrimination of cortical neurons on randomly oriented and vertically aligned dense carbon nanotube networks

2014 ◽  
Vol 5 ◽  
pp. 1575-1579 ◽  
Author(s):  
Christoph Nick ◽  
Sandeep Yadav ◽  
Ravi Joshi ◽  
Christiane Thielemann ◽  
Jörg J Schneider
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Cortical Neurons ◽  
Three Dimensional ◽  
Vertically Aligned Carbon Nanotubes ◽  
Aligned Carbon Nanotubes ◽  
Vertically Aligned ◽  
The Individual ◽  
Carbon Nanotube Networks ◽  
Communication Paths

The growth of cortical neurons on three dimensional structures of spatially defined (structured) randomly oriented, as well as on vertically aligned, carbon nanotubes (CNT) is studied. Cortical neurons are attracted towards both types of CNT nano-architectures. For both, neurons form clusters in close vicinity to the CNT structures whereupon the randomly oriented CNTs are more closely colonised than the CNT pillars. Neurons develop communication paths via neurites on both nanoarchitectures. These neuron cells attach preferentially on the CNT sidewalls of the vertically aligned CNT architecture instead than onto the tips of the individual CNT pillars.

Electronic and Mechanical Properties of Super Carbon Nanotube Networks

2006 ◽  
Vol 963 ◽  
Author(s):  
Vitor R. Coluci ◽  
Socrates O. Dantas ◽  
Ado Jorio ◽  
Douglas s Galvao
Keyword(s):  
Mechanical Properties ◽  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Tight Binding ◽  
Deformation Mechanisms ◽  
Different Types ◽  
Dynamics Simulations ◽  
Walled Carbon Nanotubes ◽  
Carbon Nanotube Networks ◽  
Main Deformation

ABSTRACTEletronic and mechanical properties of ordered carbon nanotube networks are studied using molecular dynamics simulations and tight-binding calculations. These networks are formed by single walled carbon nanotubes (SWNT) regularly connected by junctions. The use of different types of junctions (“Y”-, “X”-like junctions, for example) allows the construction of networks with different symmetries. These networks can be very flexible and the elastic deformation was associated with two main deformation mechanisms (bending and stretching ) of the constituents SWNTs. Rolling up the networks, “super” carbon nanotubes can be constructed. These super-tubes share some of the main electronic features of the SWNT which form them but important changes are predicted (e.g. reduction of bandgap value). Simulations of their deformations under tensile stress have revealed that the super-tubes are softer than the corresponding SWNT and that their rupture occur in higher strain values.

Aligned fluorinated single-walled carbon nanotubes as a transmission channel towards attenuation of broadband electromagnetic waves

2018 ◽  
Vol 6 (35) ◽  
pp. 9399-9409 ◽  
Author(s):  
Yang Liu ◽  
Yichun Zhang ◽  
Cheng Zhang ◽  
Benyuan Huang ◽  
Xu Wang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Electromagnetic Waves ◽  
Single Walled Carbon Nanotubes ◽  
Transmission Channel ◽  
Single Walled Carbon Nanotube ◽  
Single Walled Carbon ◽  
Strong Electrostatic Interaction ◽  
Walled Carbon Nanotubes ◽  
Carbon Nanotube Networks

Highly fluorinated single-walled carbon nanotubes tend to be oriented under stress due to strong electrostatic interaction allowing directional propagation and then effective attenuation of electromagnetic waves by pristine single-walled carbon nanotube networks.

Zeolite-templated Carbon Network: A Beta Zeolite Case Study

MRS Advances ◽  
2020 ◽  
Vol 5 (14-15) ◽  
pp. 751-756 ◽  
Author(s):  
Eliezer F. Oliveira ◽  
Leonardo D. Machado ◽  
Ray H. Baughman ◽  
Douglas S. Galvao
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Beta Zeolite ◽  
Beta Zeolites ◽  
Preliminary Study ◽  
The One ◽  
Dynamics Simulations ◽  
Carbon Nanotube Networks ◽  
Carbon Network

ABSTRACTIn this work, we report a preliminary study, based on molecular dynamics simulations, about 3D carbon nanotube networks that could be formed inside the beta zeolites. We investigated their structural stability and mechanical properties. Our results show that from all possible carbon nanotubes that can be embedded inside the channels of the beta zeolite, the one with chirality (6,0) is the most stable. Using the carbon nanotube (6,0), it is possible to build 3D structures with both all (higher density) and only partially (lower density) filled zeolite channels. Under tensile uniaxial force, the 3D low-density carbon nanotube networks are anisotropic and can be stretched along the direction in which all nanotubes are perpendicular up to 130% of strain without fracture. Also, the porosity and network stiffness can be tuned depending on the amount of carbon nanotubes filling the channels of the zeolites.

scholarly journals Cellulose fibres with carbon nanotube networks for water sensing

2014 ◽  
Vol 2 (15) ◽  
pp. 5541-5547 ◽  
Author(s):  
Haisong Qi ◽  
Jianwen Liu ◽  
Yinhu Deng ◽  
Shanglin Gao ◽  
Edith Mäder
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Liquid Water ◽  
Dip Coating ◽  
Cellulose Fibres ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Water Sensing ◽  
Carbon Nanotube Networks

Cellulose-based fibres with unique and efficient abilities to sense liquid water were realized by depositing multi-walled carbon nanotubes (MWNTs) on the surfaces of the fibres using a simple and scalable dip coating.

scholarly journals Resistance-strain sensitive rubber composites filled by multiwalled carbon nanotubes for structuraldeformation monitoring

2021 ◽  
Vol 11 ◽  
pp. 184798042110113
Author(s):  
Xingyao Liu ◽  
Rongxin Guo ◽  
Zhiwei Lin ◽  
Yang Yang ◽  
Haiting Xia ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Natural Rubber ◽  
Multiwalled Carbon Nanotubes ◽  
Resistance Strain ◽  
Multiwalled Carbon Nanotube ◽  
Strain Response ◽  
Rubber Composites ◽  
Multiwalled Carbon ◽  
Carbon Nanotube Networks

In this article, multiwalled carbon nanotube/natural rubber composites with resistance-strain sensitivity were prepared by solution method, when the electrical percolation threshold of multiwalled carbon nanotube is only ∼3.5 wt%. The mechanical properties and resistance-strain response sensitivity were studied and analyzed systematically. The dispersion of multiwalled carbon nanotubes in the natural rubber matrix was characterized by field-emission scanning electron microscope and X-ray diffractometer. The composite exhibits good deformation sensitivity (gauge factor >27), large strain sensing range (>200%), and high signal stability when multiwalled carbon nanotube content was appropriate. The composite is suited to application in strain monitoring of large deformation structures since the resistance-strain response is more stable when strain exceeds 100%. To understand the mechanism of the resistance-strain response, the ‘shoulder peak’ of resistance-strain curve was researched and explained by the digital image correlation method, and an analytical model was developed when considering the effects of electronic tunneling and hopping in multiwalled carbon nanotube networks. Both experiment and analytical results confirm the break-restructure process of multiwalled carbon nanotube networks under applied strain cause the resistance-strain response. Finally, the practical application of the composite to monitoring strain load of rubber isolation bearing was realized.

scholarly journals Switchable changes in the conductance of single-walled carbon nanotube networks on exposure to water vapour

Nanoscale ◽  
2017 ◽  
Vol 9 (31) ◽  
pp. 11279-11287 ◽  
Author(s):  
Gwyn. P. Evans ◽  
David. J. Buckley ◽  
Neal. T. Skipper ◽  
Ivan. P. Parkin
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Water Vapour ◽  
Single Walled Carbon Nanotubes ◽  
Ionic Surfactants ◽  
Single Walled Carbon Nanotube ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes ◽  
Carbon Nanotube Networks

Noncovalent functionalisation of single-walled carbon nanotubes (SWCNTs) with ionic surfactants induces a switch in the conductance-humidity behaviour of SWCNT networks.

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