New carbon allotropes derived from nanotubes via a three-fold distortion mechanism

2020 ◽  
Vol 22 (22) ◽  
pp. 12489-12495
Author(s):  
Jian-Tao Wang ◽  
Changfeng Chen

Hexagonal diamond, and new carbon allotropes hP24 and hP36, are derived from carbon nanotubes.

2019 ◽  
Vol 179 (4) ◽  
pp. 269-273
Author(s):  
Jarosław KAŁUŻNY ◽  
Natalia IDASZEWSKA ◽  
Tomasz RUNKA ◽  
Adam PIASECKI ◽  
Marek NOWICKI ◽  
...  

In the recent years industrial applications of carbon allotropes such as carbon nanotubes (CNTs) and graphene have been tested extensively, thus justifying research on the environmental impact these materials have. In the current paper we compare EDS spectroscopy results of a cabin filter used in a car to a filter used in an air purifier inside a residential space. The contaminants adsorbed on the carbon nanoparticles trapped in both types of filters allows for determining of their source of origin demonstrating clearly the dominant role of non-road emissions in Poland. Finally we present the experimental study on the growth of plants on substrates intentionally enriched with CNTs.


AIP Advances ◽  
2016 ◽  
Vol 6 (6) ◽  
pp. 065225 ◽  
Author(s):  
Yingxiang Cai ◽  
Hao Wang ◽  
Shengliang Xu ◽  
Yujie Hu ◽  
Ning Liu ◽  
...  

Nanoscale ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 347-355 ◽  
Author(s):  
Lei Zhao ◽  
Wei Liu ◽  
WenCai Yi ◽  
Tao Hu ◽  
Dalar Khodagholian ◽  
...  

Two-dimensional Dirac carbon materials with the strongest anisotropy are constructed by spontaneously interlinking single-walled carbon nanotubes along the radial directions.


Polymers ◽  
2020 ◽  
Vol 12 (4) ◽  
pp. 872 ◽  
Author(s):  
Ana Maria Díez-Pascual

Carbon-based nanomaterials such as carbon nanotubes, graphene and its derivatives, nanodiamond, fullerenes, and other nanosized carbon allotropes have recently attracted a lot of attention among the scientific community due to their enormous potential for a wide number of applications arising from their large specific surface area, high electrical and thermal conductivity, and good mechanical properties [...]


2014 ◽  
Vol 27 (1) ◽  
pp. 113-127
Author(s):  
Vijay Arora

Starting from the graphene layer, the bandgap engineering of carbon nanotubes (CNTs) and graphene nanoribbons (GNRs) is described by applying an appropriate boundary condition. Linear E-k relationship of graphene transforms to a parabolic one as momentum vector in the tube direction is reduced to dimensions smaller than inverse of the tube diameter of a CNT. Similar transition is noticeable for narrow width of a GNR. In this regime, effective mass and bandgap expressions are obtained. A CNT or GNR displays a distinctly 1D character suitable for applications in quantum transport.


2013 ◽  
Vol 3 (1) ◽  
Author(s):  
Meng Hu ◽  
Zhisheng Zhao ◽  
Fei Tian ◽  
Artem R. Oganov ◽  
Qianqian Wang ◽  
...  

2015 ◽  
Vol 5 (8) ◽  
pp. 3859-3875 ◽  
Author(s):  
M. Melchionna ◽  
S. Marchesan ◽  
M. Prato ◽  
P. Fornasiero

Carbon nanotubes have emerged as unique carbon allotropes that bear very interesting prospects in catalysis.


2020 ◽  
Vol 27 (40) ◽  
pp. 6849-6863 ◽  
Author(s):  
Majid Rezayi ◽  
Pegah Mahmoodi ◽  
Hadis Langari ◽  
Behzad Behnam ◽  
Amirhossein Sahebkar

In the last decade, the use of carbon nanotubes and graphenes has been on the rise for various nanobiotechnological applications. Owing to their special characteristics, these two nanostructures of carbon allotropes have been studied for their capacity in the detection and treatment of many diseases. On the other hand, curcumin, a well-known antioxidant and anticancer natural product, is being extensively studied for numerous medicinal applications. Interestingly, many reports have shown great potentials of conjugates of curcumin and carbon nanotubes or graphenes. These conjugates, when properly designed and functionalized with biomolecules, could represent the valuable properties of each component alone while they could be effective in overcoming the poor solubility issues of both curcumin and Carbon Nanomaterials (CNMs). In this case, curcumin conjugates with CNMs seem to be very promising in biosensing applications and the detection of many biomolecules, especially, curcumin has been reported to be very effective with these conjugates. Also, the delivery of curcumin using functionalized SWCNTs was evaluated for its ability to load and release curcumin, to protect curcumin from degradation and to enhance its solubility. It is proposed that other properties of these conjugates are still to be discovered and the interdisciplinary approaches among biology, medicine, chemistry, and material engineering will accelerate the applications of these novel materials. This review aims to summarize the findings on the applications of CNM conjugates of curcumin.


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