Electronic, thermal and mechanical properties of carbon nanotubes

Dresselhaus, M. S.; Dresselhaus, G.; Charlier, Jean Christophe; Hernández, Eduardo

doi:10.1098/rsta.2004.1430

Cited by 526 publications

(317 citation statements)

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“…The walls of CNTs are made up of a hexagonal lattice of carbon atoms analogous to the atomic planes of graphite (Dresselhaus et al, 2004). CNTs can be imaginatively produced by rolling up a graphene sheet (a single layer of graphite) forming a single-walled CNTs (SWCNTs), or by rolling up many graphene layers to form concentric cylinders (multiwalled CNTs; MWCNTs).…”

Section: Carbon Nanotubes: Fascinating Nano-objectsmentioning

confidence: 99%

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

Cirillo¹,

Hampel²,

Puoci³

et al. 2012

Materials Science and Technology

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Section: Carbon Nanotubes: Fascinating Nano-objectsmentioning

confidence: 99%

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

Cirillo¹,

Hampel²,

Puoci³

et al. 2012

Materials Science and Technology

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“…1. A reduction in the emission of greenhouse gases, energy consumption, maintenance costs, resistance to moisture are some of the advantages of using asphalt containing nanoparticles [3]- [19]. …”

Section: In)mentioning

confidence: 99%

Nanomaterials for Construction Engineering-A Review

Das¹,

Mitra²

2014

IJMMM

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Abstract-Nanotechnology is not new and is known to exist for ages, be it in the sword of tipu sultan or in the windows of the medieval churches in Europe. A common question in the minds of all of us living in today's world is about how the mechanism of nanotechnology can be used in the healthy compatibility with the constructional structures like that of massive buildings and bridges, which have been thought to encroach upon huge masses of land, leading to the destroying of homes of wildlife and putting pressure in the limited reserves of energy. This review paper focuses on the sustainable usage of nano based materials like carbon nanotube, electrochromic windows, nanoclays, sandvik nanoflex™, nanowires, titanium dioxide, nanoceramic coating, nanocrystalline materials, nanosilica, nanocomposites, MMFX2 steel, nanometals, nanofibres, nanomyte™ mend MW, nanocement, which could be used for providing singular or multiple functions of potential reinforcement, corrosion resistance, insulation, fire protection, temperature resistance, reducing air conditioning loads, pollution control, UV ray absorption, lighting, when used as a part of building materials.Index Terms-Nanotechnology, construction, materials. I. INTRODUCTIONNanotechnology concerns with the usage of materials falling in range of few to less than 100 nanometers [1]. Constructional structures form a very important part while contributing to the GDP of any economy by rendering services ranging from transportation to living to producing useful products to earning livelihood, and at the same time also commanding a very dominant share of the energy produced for utilization, no wonder that it has been estimated by a certain source that construction industry involving nanotechnology will occupy the eighth position out of the ten, having an impact on the world's development [2]. The usage of nanotechnology materials while being incorporated in constructional structures would not only help in prolonging their lifetime, but would also keep a check on the energy spent by them and at the same time gauging their reactions and reacting to different agents like fire, corrosion, water penetration, fractures, cracks, etc. Hence the literature segment of this review paper provides a list of nano-materials that can be used for these varied tasks. II. CARBON NANOTUBESLaser ablation, chemical vapor deposition, electric arc processes are some of the methodologies employed for the Manuscript received June 4, 2013; revised August 6, 2013. B. B. Das is with National Institute of Construction Management and Research (NICMAR), Farmagudi (Ponda), Goa, India (e-mail:bibhutibhusan@gmail.com, bdas@nicmar.ac.in).Arkadeep Mitra was with KIIT Deemed University, Bhubaneswar, Odisha, India (e-mail:arkadeep123mitra@gmail.com).production of NT's (nanotubes) that exist as metals or semiconductors. Exhibiting sp 2 hybridization with walls of graphene held together in hexagonal arrays by van-der-waal force of a cylindrical honey comb like structure of an allotrope of carbon, gives a succinct d...

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“…An important feature of SWCNTs relies on the high tensile strength parallel to the tube axis as a consequence of the strongly delocalized π-electron density, and the high aspect ratio (up to millions) makes SWCNTs suitable for improving the physical strength of polymers [2]. Another important feature of SWCNTs is the semiconducting behavior dependent on chiral indexes [3,4], the band-gap being inversely related to the tube diameter [5]. This behavior is quite important when a material with a narrow band-gap value is required such as in the research of field-effect transistors [6].…”

Section: Introductionmentioning

confidence: 99%

Single Wall Carbon Nanotubes Synthesis through Methane Chemical Vapor Deposition over MCM-41–Co Catalysts: Variables Optimization

Rodriguez

López

Giraldo

2018

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MCM-41-Co catalysts were tested in the synthesis of single wall carbon nanotubes (SWCNTs) through methane chemical vapor deposition (CVD), varying total cobalt content, synthesis temperature, methane flow rate, and deposition time. All variables showed a relationship with total carbon deposition, graphitic quality according to Raman results. Cobalt content showed a maximum activity at 4%, but the structural quality is best at 3%. Flow rate does not affect the quality up to 300 cm 3 min −1 , but deposition time leads to the formation of highly disordered carbon species passing methane for periods longer than 30 min, concluding that optimal variables are a methane deposition temperature of 800 • C, a 300 cm 3 min −1 methane flow rate, and a 30 min of methane injection time, leading to a 5.4% carbon mass content and 5.1 G/D area ratios.

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Electronic, thermal and mechanical properties of carbon nanotubes

Cited by 526 publications

References 105 publications

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

Nanomaterials for Construction Engineering-A Review

Single Wall Carbon Nanotubes Synthesis through Methane Chemical Vapor Deposition over MCM-41–Co Catalysts: Variables Optimization

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