Growth of Vertically Aligned Carbon Nanotubes on Silicon Using a Sparked Iron-Cobalt Catalyst

Saengmee-anupharb, Sirikamon; Thongpang, Sanitta; Bertheir, Erwin S. P.; Singjai, Pisith

doi:10.5402/2011/684748

Cited by 4 publications

(3 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Ultralong CNTs were produced with ethylene precursor using water and hydrogen [29]. By employing an appropriate choice of the carbon precursor and optimal feed rate of water highquality CNTs can be produced in good yields [30,31]. Hydrocarbon precursors such as benzene, acetylene, and xylene to produce MWCNTs in high purity are not ideal for high-temperature synthesis.…”

Section: Role Of the Precursormentioning

confidence: 99%

The preparation of carbon nanofillers and their role on the performance of variable polymer nanocomposites

Sheheri

Alamshany

Sulami

et al. 2019

Designed Monomers and Polymers

124

View full text Add to dashboard Cite

New synergic behavior is always inspiring scientists toward the formation of nanocomposites aiming at getting advanced materials with superior performance and/or novel properties. Carbon nanotubes (CNT), graphene, fullerene, and graphite as carbon-based are great fillers for polymeric materials. The presence of these materials in the polymeric matrix would render it several characteristics, such as electrical and thermal conductivity, magnetic, mechanical, and as sensor materials for pressure and other environmental changes. This review presents the most recent works in the use of CNT, graphene, fullerene, and graphite as filler in different polymeric matrixes. The primary emphasis of this review is on CNT preparation and its composites formation, while others carbon-based nano-fillers are also introduced. The methods of making polymer nanocomposites using these fillers and their impact on the properties obtained are also presented and discussed.

show abstract

Section: Role Of the Precursormentioning

confidence: 99%

The preparation of carbon nanofillers and their role on the performance of variable polymer nanocomposites

Sheheri

Alamshany

Sulami

et al. 2019

Designed Monomers and Polymers

124

View full text Add to dashboard Cite

show abstract

“…Some studies previously evidenced the effects of water on CNTs growth using various catalysts such as Fe 2 O 3, cobalt [17,18,21]. The role of water in purifying amorphous carbon is well documented [17,19,20]. Water is considered as a weak oxidant which removes the deposited amorphous carbon on the active sites of the catalyst [21].…”

Section: Effect Of Water Vapor During Cvd On Va-cntsmentioning

confidence: 99%

“…The water vapor helps protect the catalyst from ripening and/or carbide formation which would usually result in early termination of CNT growth. However, the effects of water on CNTs quality apparently differ with different catalysts and substrates [20,21]. So far, scarce information has been available with respect to the effects of water on CNTs growth using Fe 3 O 4 nanoparticles as catalyst.…”

Section: Introductionmentioning

confidence: 99%

Effects of ferrite catalyst concentration and water vapor on growth of vertically aligned carbon nanotube

Cao¹,

Nguyen²,

Ngo³

et al. 2014

Adv. Nat. Sci: Nanosci. Nanotechnol.

View full text Add to dashboard Cite

In this study Fe 3 O 4 nanoparticles were used as catalysts for the growth of vertically aligned carbon nanotubes (VA-CNTs) by chemical vapor deposition (CVD). The effect of catalyst concentration and water vapor during the CVD process on the properties of the VA-CNTs was investigated. Monodisperse Fe 3 O 4 nanoparticles (4.5-9.0 nm diameter) prepared by thermal decomposition of iron acetylacetonate compounds were spin-coated on clean silicon substrates which served as a platform for VA-CNTs growth. The results indicated that the length, density and growth rate of CNTs were strongly affected by the catalyst concentration. CNTs grown at 0.026 g ml −1 Fe 3 O 4 catalyst had greater length, density and growth rates than those obtained at 0.01 and 0.033 g ml −1 Fe 3 O 4 catalyst. Addition of water during the CVD process had drastically improved CNTs growth. The length and growth rate of obtained CNTs were 40 μm and 1.33 μm min−1, respectively. The results provided insights into the role of Fe 3 O 4 catalyst and water vapor during VA-CNTs growth process by CVD method and the obtained information might serve as a starting point for further optimization of VA-CNTs synthesis.

show abstract

Systematic review of catalyst nanoparticles synthesized by solution process: towards efficient carbon nanotube growth

Azam

Zulkapli

Nawi

et al. 2014

J Sol-Gel Sci Technol

View full text Add to dashboard Cite

Growth of Vertically Aligned Carbon Nanotubes on Silicon Using a Sparked Iron-Cobalt Catalyst

Cited by 4 publications

References 26 publications

The preparation of carbon nanofillers and their role on the performance of variable polymer nanocomposites

The preparation of carbon nanofillers and their role on the performance of variable polymer nanocomposites

Effects of ferrite catalyst concentration and water vapor on growth of vertically aligned carbon nanotube

Systematic review of catalyst nanoparticles synthesized by solution process: towards efficient carbon nanotube growth

Contact Info

Product

Resources

About