The top ten advances in materials science

Wood, Jonathan

doi:10.1016/s1369-7021(07)70351-6

Cited by 61 publications

(30 citation statements)

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“…[134][135][136][137] The work on ternary SWCNT synthesis is a continuation of their ongoing efforts towards the rational HFCVD synthesis of B x C y N z nanotubular materials. B x C y N z SWNT growth by HFCVD was achieved over a high-activity, powdery, supported catalyst-MgO-supported Fe-Mo bimetallic catalyst (denoted as Fe-Mo/MgO)-by using CH 4 , B 2 H 6 , and ethylenediamine vapor as the reactant gases and inert He as the diluting gas. [119] Here it is noted that these growth conditions of SWNTs are quite different from those for HFCVD growth of the B x C y N z MWNTs, where polycrystalline Ni plates, rather than the powdery Fe-Mo/MgO, were used as the catalyst as well as the growth substrate, and the N 2 gas rather than ethylenediamine vapor was employed as the N precursor.…”

Section: Synthesis and Structural Characterizationmentioning

confidence: 99%

“…However, as reported in ''The top ten advances in materials science'' over the last 50 years, [4] ''today, the remarkable, unique, and phenomenally promising properties of these nanoscale carbon structures have placed them right among the hottest topics of materials science. So why are they only at number eight in this list?…”

Section: Conclusion and Future Outlookmentioning

confidence: 99%

“…The growth of CNTs was selected by ''Materials Today'' as one of the top ten advances in materials science over the last 50 years. [4] Indeed, as a kind of novel nanostructured material, CNTs have attracted intense attention because of their amazing mechanical, electrical, and thermal properties combined with their low density, promising a broad range of potential applications. In comparison to multiwalled CNTs (MWCNTs), single-walled carbon nanotubes (SWCNTs) have been shown to have much greater electrical conductivity, which will allow the miniaturization of electronics beyond the chip threshold as well as both nano-and macroscale applications for this outstanding structural material.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis, Structure, and Properties of Single‐Walled Carbon Nanotubes

et al. 2009

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Great interest in single‐walled carbon nanotubes (SWCNTs) derives from their remarkable electrical, thermal, optical, and mechanical properties together with their lower density, which promise extensive and unique applications. Much progress has been achieved in the fundamental and applied investigations of SWCNTs over the past decade. At the same time, many obstacles still remain, hampering further development in this field. To clarify the emerging problems and to provide a comprehensive understanding of the field, we review the recent progress of research on the synthesis, structure, and properties of SWCNTs, in particular the SWCNT non‐woven film, SWCNT rings, boron–nitrogen (B–N) co‐doped SWCNTs (BCN‐SWNTs), and individual SWCNTs. Some long‐standing problems and topics warranting further investigations in the near future are addressed.

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Section: Synthesis and Structural Characterizationmentioning

confidence: 99%

Section: Conclusion and Future Outlookmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Synthesis, Structure, and Properties of Single‐Walled Carbon Nanotubes

et al. 2009

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“…However, as reported in "The top ten advances in materials science" over the last 50 years [1], "today, the remarkable, unique, and phenomenally promising properties of these nanoscale carbon structures have placed them right among the hottest topics of materials science. So why are they only at number eight in this list?…”

Section: Discussionmentioning

confidence: 99%

“…As a kind of novel nano-structured material, carbon nanotubes (CNTs) have attracted intense attention owing to their marvelous mechanical, electrical, and thermal properties combined with low density, and also to their broad range of potential applications [1]. In comparison with multi-walled CNTs (MWCNTs), single-walled carbon nanotubes (SWCNTs) have shown more outstanding properties that benefit both nano-and macroscale applications of these materials with intriguing structure.…”

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confidence: 99%

Freestanding single-walled carbon nanotube bundle networks: Fabrication, properties and composites

Zhou

Niu

et al. 2011

Chin. Sci. Bull.

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As a type of thin film, two dimensional (2D) reticulate architectures built of freestanding single-walled carbon nanotube (SWCNT) bundles are suitable for scalable integration into devices and nanocomposites for many applications. The superior properties of these films, such as optical transparency, unique electrical properties and mechanical flexibility, result not only from the outstanding properties of individual SWCNTs but also from the collective behavior of the individual tubes, with additional properties arising from the tube-tube interactions. In this review, the synthesis, structure and fundamental properties, such as conductivity, transparency, optical nonlinearity and mechanical performance, of "freestanding SWCNT bundle network" thin films and nanocomposites, as well as their application as supercapacitors are highlighted. Some long-standing problems and topics warranting further investigation in the near future are addressed. single-walled carbon nanotube (SWCNT), SWCNT bundle network, nanocomposites, multifunctional thin film, supercapacitors Citation:Zhou valently bonded carbon network gives rise to an extremely stable structure, arguably the strongest in nature. The axial Young's modulus has been determined experimentally by several means [6 -11] and is typically between 1-1.8 TPa.The fracture stresses of SWCNT bundles can reach as high as 50 GPa [8,12], which corresponds to a density-normalized strength ~50 times larger than that of steel wires [7]. In addition, the properties of SWCNTs are very sensitive to chemical modification or atomic doping -these processes can give rise to brand-new 1D materials that promise remarkable application. To fully utilize the excellent mechanical and physical properties of individual SWCNTs, various types of SWCNT architectures with different dimensions, including 1D nanotubes or bundles, 2D thin films or networks or papers, and 3D arrays or sponges, have been synthesized and investigated worldwide. Unlike an isolated 1D nanotube, a 2D thin film made up of thousands of SWCNTs exhibits collective behavior, which has an advantage of statistically better reproducibility, making it suitable for scalable integration into devices, nanocomposites and for many applications. Its superior properties, such as optical transparency, unique electric properties and mechanical flexibility, result not only from

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The top ten advances in materials science

Cited by 61 publications

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Synthesis, Structure, and Properties of Single‐Walled Carbon Nanotubes

Synthesis, Structure, and Properties of Single‐Walled Carbon Nanotubes

Freestanding single-walled carbon nanotube bundle networks: Fabrication, properties and composites

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