The characteristics of carbon nanotubes grown at low temperature for electronic device application

Park, Yong Seob; Yi, Junsin; Lee, Jaehyeong

doi:10.1016/j.tsf.2013.06.069

Cited by 7 publications

(6 citation statements)

References 27 publications

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“…The most important factor of this modication is that some subsequent functionalities including polymers or biomolecules can be anchored on the nanotube surface via coupling through the carboxylic group. [2][3][4][5][6][7] The issue with this method is that the s bonds in the nanotube structure need to be broken for the subsequent oxidation reaction. This means that the nanotube structure is inevitably damaged by the introduction of holes on the surface during oxidation.…”

Section: Introductionmentioning

confidence: 99%

Filled and peptide-modified single-walled carbon nanotubes: synthesis, characterization, and in vitro test for cancer cell targeting

Zhao

Zhang

et al. 2015

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Filled and peptide-modified single-walled carbon nanotubes: synthesis, characterization, and in vitro test for cancer cell targeting

Zhao

Zhang

et al. 2015

RSC Adv.

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“…Carbon nanotubes (CNTs) due to their small dimension, low density, high strength to weight ratio and unique morphology with high electrical and thermal conductivities [1], show exceptional functional properties and are widely used for various applications including electronic devices, field emitters, sensors, gasstorage media and molecular wires for next-generation electronic devices [1,2].…”

Section: Introductionmentioning

confidence: 99%

Effect of Pt and Fe catalysts in the transformation of carbon black into carbon nanotubes

Asokan

Myrseth

Kosinski

2015

Journal of Physics and Chemistry of Solids

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a b s t r a c tIn this research carbon nanotubes and carbon nano onion-like structures were synthesized from carbon black using metal catalysts at 400°C and 700°C. Platinum and iron-group metals were used as catalysts for the transformation of CB into graphitized nanocarbon and the effect of both metals was compared. The synthesized products were characterized using X-ray diffraction (XRD), transmission electron microscope (TEM), high resolution transmission electron microscope (HRTEM) and Raman spectroscopy. The characterization shows that this process is very efficient in the synthesis of high quality graphitized products from amorphous carbon black, even though the process temperature was relatively low in comparison with previous studies. Distinguished graphitic walls of the newly formed carbon nanostructures were clearly visible in the HRTEM images. Possible growth difference related to the type of catalyst used is briefly explained with the basis of electron vacancies in d-orbitals of metals.

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“…For example, flat panel displays were fabricated by growing CNT on the surface of a soda-lime glass substrate using acetylene at 550°C without deformation [53]. Park et al [54] fabricated MWCNTs by the MPECVD method from methane and hydrogen gases at a pressure of 2.13 KPa and microwave generator power of 800 W. Corning 1737 glass containing precipitated TiN and Ni was the substrate with a bias voltage about – 200 V. They could isolate MWCNTs with 20 nm diameter and 5 μm length at temperatures below 500°C and reported that increasing substrate temperature, improved the crystallinity of the MWCNTs. Another study [55] with the same conditions, focused on changes of the DC bias voltage between −250 and −50 V and its effect on the length, structure, crystallinity and electrical properties of the MWCNTs.…”

Section: Carbon Nanotubesmentioning

confidence: 99%

Carbon nanotubes part I: preparation of a novel and versatile drug-delivery vehicle

Karimi

Solati

Amiri

et al. 2015

Expert Opinion on Drug Delivery

101

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Introduction It is 23 years since carbon allotrope known as carbon nanotubes (CNT) was discovered by Iijima, who described them as “rolled graphite sheets inserted into each other”. Since then, CNTs have been studied in nanoelectronic devices. However, CNTs also possess the versatility to act as drug- and gene-delivery vehicles. Areas covered This review covers the synthesis, purification and functionalization of CNTs. Arc discharge, laser ablation and chemical vapor deposition are the principle synthesis methods. Non-covalent functionalization relies on attachment of biomolecules by coating the CNT with surfactants, synthetic polymers and biopolymers. Covalent functionalization often involves the initial introduction of carboxylic acids or amine groups, diazonium addition, 1,3-dipolar cycloaddition or reductive alkylation. The aim is to produce functional groups to attach the active cargo. Expert opinion In this review, the feasibility of CNT being used as a drug-delivery vehicle is explored. The molecular composition of CNT is extremely hydrophobic and highly aggregation-prone. Therefore, most of the efforts towards drug delivery has centered on chemical functionalization, which is usually divided in two categories; non-covalent and covalent. The biomedical applications of CNT are growing apace, and new drug-delivery technologies play a major role in these efforts.

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The characteristics of carbon nanotubes grown at low temperature for electronic device application

Cited by 7 publications

References 27 publications

Filled and peptide-modified single-walled carbon nanotubes: synthesis, characterization, and in vitro test for cancer cell targeting

Filled and peptide-modified single-walled carbon nanotubes: synthesis, characterization, and in vitro test for cancer cell targeting

Effect of Pt and Fe catalysts in the transformation of carbon black into carbon nanotubes

Carbon nanotubes part I: preparation of a novel and versatile drug-delivery vehicle

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