Abstract
Owing to their exceptional electrical and mechanical properties, low weights and availability of their synthesis and purification carbon nanotubes (CNTs) became the focus of scientists in many medical and electronic applications, and reinforcement of various materials. A close understanding of structure-properties of (CNTs) will be necessary for the development of carbon-nanotube applications. High stiffness and tensile strength of CNTs provide mechanical stability for electric nano-circuits formed by CNTs. Meanwhile, at earlier time of their application, researchers main concern was dedicated for preparation methods of CNTs. Eventually the structural and physical characteristics of CNTs became more attractive for scientist proper applications. Herein the current work introduce a practical approach for screening the dielectric and mechanical properties of local commercial purchased single walled carbon nanotubes for medical applications. Dielectric properties of CNTS were expressed in term of electrical relative permittivity, and electrical conductivity. The dielectric relaxation obeys ordinary alpha and beta relaxation of dielectrics at current frequency range. Besides the mechanical properties in term of dimetral tensile and compression strength that are expressed by Young’s modulus that is closer to graphite. As a results, we highly recommend these commercial (SWCNTs) from our local suppliers for further medical applications.
Highlights
The plethora of structural, mechanical, and electronic properties for tiny rolled graphite sheet, carbon nanotubes (CNTs), have been nominated them to be the premier additives to various structural materials in electronics, optics, plastics, and other nanotechnology materials
CNTs absorbace spectrum is shown in Figure 4, absorbances peaks at 1631.83 and 1089.82 cm-1 are corresponding for stretching of carboxylic acids (C=O and C–O)
Our results indicated a regular dielectric dispersion for alpha or beta relaxation
Summary
The plethora of structural, mechanical, and electronic properties for tiny rolled graphite sheet, carbon nanotubes (CNTs), have been nominated them to be the premier additives to various structural materials in electronics, optics, plastics, and other nanotechnology materials. Chirality structure and diameter of carbon sheet are the crucial for CNTs properties [2, 3]. By the beginning of 21st century, CNTs were incorporated in many medical pharmaceutical industries especially in drug delivery system and become the focus of attention by scientists in a variety of disciplines. CNTs were linked to biomolecules such as: genes, proteins, DNA, antibodies, vaccines, biosensors, cells. They have shown as Excellency in enantiomer separation of chiral drugs and chemicals in pharmaceutical industry and drug extraction as well [4, 5]
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