High-quality single-walled carbon nanotubes from arc-produced soot

Kajiura, Hisashi; Tsutsui, Shigemitsu; Huang, Hao; Murakami, Yousuke

doi:10.1016/s0009-2614(02)01407-0

Cited by 59 publications

(48 citation statements)

References 22 publications

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“…The nitric acid HNO 3 was found to affect the metal catalyst only, showing no selectivity on the CNTs and the other carbon nanoparticles, whereas the hydrochloric acid HCl showed a little impact on the CNTs [126].…”

Section: Cobalt and Molybdenum (Como) Cat Processmentioning

confidence: 90%

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Carbon nanotubes for ultrafast fibre lasers

et al. 2016

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Carbon nanotubes (CNTs) possess both remarkable optical properties and high potential for integration in various photonic devices. We overview, here, recent progress in CNT applications in fibre optics putting particular emphasis on fibre lasers. We discuss fabrication and characterisation of different CNTs, development of CNTbased saturable absorbers (CNT-SA), their integration and operation in fibre laser cavities putting emphasis on stateof-the-art fibre lasers, mode locked using CNT-SA. We discuss new design concepts of high-performance ultrafast operation fibre lasers covering ytterbium (Yb), bismuth (Bi), erbium (Er), thulium (Tm) and holmium (Ho)-doped fibre lasers.

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Section: Cobalt and Molybdenum (Como) Cat Processmentioning

confidence: 90%

“…When an acid is used, the purity of CNTs depends on the sonication time. During the tube vibration to the acid for a short period, only the metal is solvated, but in a more extended session, CNTs are also chemically cut [125,126].…”

Section: Cobalt and Molybdenum (Como) Cat Processmentioning

confidence: 99%

Carbon nanotubes for ultrafast fibre lasers

et al. 2016

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“…Prior to the preparation of colloidal suspension of PANI-SWCNT composite, carboxyl functionalization of SWCNT has been carried out by subjecting these to mild refluxing at 20 8C for 10 h in concentrated nitric acid (HNO 3 ). The HNO 3 treatment (boiling under reflux conditions for a long duration), not only introduces the carboxylate functionalities but also purifies the nanotubes [28]. The metal particles (if any) are removed in the acid, and the remnant HNO 3 traces in the SWCNT has been removed by repeated washing in deionized water till the aqueous layer showed a pH in the range of ca.…”

Section: Fabrication Of Pani-swcnt Composite Film By Electrophoretic mentioning

confidence: 99%

Polyaniline/Single‐Walled Carbon Nanotubes Composite Based Triglyceride Biosensor

et al. 2010

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Nanocomposite film comprising of polyaniline (PANI) and single walled carbon nanotubes (SWCNT) has been fabricated onto indium-tin-oxide (ITO) coated glass plate using electrophoretic technique. Co-immobilization of glycerol dehydrogenase (GDH) and lipase (LIP) has been done via N-ethyl-N'-(3-dimethylaminopropyl) carbodiimide and N-hydroxysuccinimide chemistry to explore its application for triglyceride (tributyrin) sensing. Response studies have been done using linear sweep voltammetry revealing that LIP-GDH/PANI-SWCNT-TB/ITO bioelectrode can detect tributyrin in the range of 50 to 400 mg dL À1 with low Michaelis-Menten constant of 1.138 mM, improved response time of 12 s, high sensitivity as 4.28 10 À4 mA mg À1 dL and storage stability of about 13 weeks.

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“…2,3) The raw SWNT samples obtained by most approaches [4][5][6] contain not only SWNTs but also impurities such as amorphous carbon, fullerenes, carbon nanoparticles, and transition metals that were used as the catalyst during the synthesis of the SWNTs. Despite intensive experimental efforts, [7][8][9] an effective method for the purification of SWNTs and an ideal preparation method of isolated SWNTs have never been reported. Previous investigations revealed that the dispersed SWNTs were obtained through wrapping with water soluble linear polymers with ultrasonic irradiation.…”

Section: Introductionmentioning

confidence: 99%

Purification of Single Wall Carbon Nanotubes Using Gelatin

Takahashi

Tsunoda

Yajima

et al. 2004

Jpn. J. Appl. Phys.

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We have developed a simple procedure for the purification of single wall carbon nanotubes (SWNTs) with gelatin as the dispersing reagent. The steps of this procedure were performed in the following order: annealing in air, sonication in an aqueous solution of gelatin, and soaking in hydrochloric acid solution. The advantage of using gelatin as a dispersing reagent is not only that it is useful for untangling the SWNT bundles, but also that the gelatin molecule and the metallic catalyst can be removed using HCl.

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High-quality single-walled carbon nanotubes from arc-produced soot

Cited by 59 publications

References 22 publications

Carbon nanotubes for ultrafast fibre lasers

Carbon nanotubes for ultrafast fibre lasers

Polyaniline/Single‐Walled Carbon Nanotubes Composite Based Triglyceride Biosensor

Purification of Single Wall Carbon Nanotubes Using Gelatin

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