Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Carbon nanotube

A carbon nanotube (CNT) is a tube made of carbon with a diameter in the nanometre range (nanoscale). They are one of the allotropes of carbon. Two broad classes of carbon nanotubes are recognized:

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Carbon nanotube. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Structure of SWCNTs

Types

Physical limits

Variants

Properties

Synthesis

Purification

Functionalization

Modeling

Metrology

Safety and health

Applications

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Carbon nanotube

Nodes222
Edges221
Triples349
Avg. degree1.99
Density0.009009
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Carbon nanotube

Top relations

has application · 49
Carbon nanotube → Additive, Amroy Europe Oy, Another, Applications, Bitumen, Carbon, CNT, CNTs, Cu, Damascus, Easton-Bell Sports, Electrodes, Eliminating, Energy, Engineering Fair Gordon, Gecko, GPa, His, Hybtonite, IMEC
related to Safety and health · 32
Carbon nanotube → Although CNT, As, Authorization, Based, Chemicals, CNT, Current Intelligence Bulletin, Early, EU, European Union's Registration, Evaluation, Health, In, Increase, It, Mitsui-7, MWCNTs, National Institute, NIOSH, Occupational Safety
related to Synthesis · 26
Carbon nanotube → Among, Annealing, Chemical Vapor Deposition, CNT, CNT/mm2, CNTs, Co, CVD, Fe, Ferrocene, HiPCO, It, Most, Ni, One, Techniques, The, The CVD, The HiPCO, These
related to history · 20
Carbon nanotube → Carbon, Cold War, His, In, Journal, Kuznetsov, Lukyanovich, Marc Monthioux, Monthioux, NEC, Physical Chemistry Of Russia, Radushkevich, Russian, Soviet, Sumio Iijima, The, This, Though Iijima, Vladimir Kuznetsov, Western
related to Multi-walled · 20
Carbon nanotube → Because, CCVD, CNT, Covalent, Double-walled, DWNT, DWNTs, In, Its, Multi-walled, MWNT, MWNTs, Parchment, Russian Doll, SWNT, SWNTs, The, The Russian Doll, There, This
related to External links · 16
Carbon nanotube → Bandstructure, Buckyballs, C60, C60 Buckyballs, Carbon Nanotubes, Demonstrations Project, Electronic Band Structure, Electronic Structure, From Graphene, Interactive, Nanocarbon, NanoribbonsSelection, Single-Walled Carbon Nanotube, Tight-Binding Wannier Representation, WeCanFigureThisOut, Zone-Folding MethodWOLFRAM Demonstrations Project
related to Thermal · 15
Carbon nanotube → All, An, Crystallographic, However, Macroscopic, Measurements, Networks, Phonon, Stone, Such, SWNT, That, The, This, Wales
related to Electrical · 12
Carbon nanotube → A/cm2, Brillouin, Carbon, For, In, Likewise, SWCNT, SWCNTs, The, There, Thus, Unlike
related to Types · 11
Carbon nanotube → A1, A2, Conversely, If, In, Instead, It, Such, That, The, These
related to Mechanical · 10
Carbon nanotube → Although, Because, Carbon, CNT, CNTs, For, Further, GPa, In, This

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

carbon nanotubes nanotube cnts properties swcnts graphene used applications using one cnt structure two diameter electrical high optical single-walled also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ironinstance ofand Bethune and colleagues at IBM independently discovered that co-vaporising carbon and transition metals0.80text
cobalt could specifically catalyse SWCNT formationinstance ofand Bethune and colleagues at IBM independently discovered that co-vaporising carbon and transition metals0.80text
magnetic momentinstance ofProperties0.80text
thermal stabilityinstance ofProperties0.80text
etc. vary widely depending on the radius of the torusinstance ofProperties0.80text
the radius of the tube.Graphenated carbon nanotubes are a relatively new hybrid that combines graphitic foliates grown along the sidewalls of multiwalled or bamboo-style CNTsinstance ofProperties0.80text
copperinstance of000 times greater than those of metals0.80text
where for copper interconnectsinstance of000 times greater than those of metals0.80text
current densities are limited by electromigrationinstance of000 times greater than those of metals0.80text
FeCl3 or electron-deficient metallocenes function as p-type dopants because they draw π-electrons away from the top of the valence band.Intrinsic superconductivity has been reportedinstance ofπ-electron acceptors0.80text
although other experiments found no evidence of thisinstance ofπ-electron acceptors0.80text
leaving the claim a subject of debate.In 2021instance ofπ-electron acceptors0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.