Catalytic synthesis of carbon nanotube over nickel ferrite loaded oxidized diamond catalyst

Tsujino, Gai; Nakagawa, Kiyoharu; Oda, Hirokazu; Ando, Toshihiro

doi:10.14723/tmrsj.38.435

Cited by 6 publications

(3 citation statements)

References 9 publications

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“…Growth of carbon nanotubes is the only example of allotrope formation (Tsujino et al, 2013;Hosseini Akbarnejad, R. et al, 2013). Notable attention is paid to methanol decomposition to CO and methane or to CO and hydrogen.…”

Section: Discussionmentioning

confidence: 99%

Mini-review: Ferrite nanoparticles in the catalysis

Kharisov

Dias

Kharissova

2019

Arabian Journal of Chemistry

280

118

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Recent applications of ferrite nanoparticles as catalysts in organic processes are reviewed. Catalytic applications include the use of mainly cobalt, nickel, copper, and zinc ferrites, as well as their mixed-metal combinations with Cr, Cd, Mn and sometimes some lanthanides. Core-shell nanostructures with silica and titania are also used without loss of magnetic properties. The ferrite nanomaterials are obtained mainly by wet-chemical sol-gel or co-precipitation methods, more rarely by sonochemical technique, mechanical high-energy ball milling, spark plasma sintering, microwave heating or hydrothermal route. Catalytic processes with application of ferrite nanoparticles include decomposition (in particular photocatalytic), reactions of dehydrogenation, oxidation, alkylation, C-C coupling, among other processes. Ferrite nano catalysts can be easily recovered from reaction systems and reused up to several runs almost without loss of catalytic activity.

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Section: Discussionmentioning

confidence: 99%

Mini-review: Ferrite nanoparticles in the catalysis

Kharisov

Dias

Kharissova

2019

Arabian Journal of Chemistry

280

118

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“…CNFs were synthesized using oxidized diamond supported catalysts. The synthesized CNFs exhibit a cup-stack primary structure (11,12). The edge of the graphene sheets was exposed to the CNF surface area.…”

Section: Introductionmentioning

confidence: 99%

Effect of Mesopores of Marimo Nano Carbon Anode Material on Power Generation Performance of Direct Glucose Fuel Cell

Akiyama

Nakagawa

2020

Meet. Abstr.

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Direct Glucose Fuel Cell (DGFC) is attracting attention as a clean and sustainable energy source because glucose is the most organic substance in nature. In this study, the effect of the mesopores of marimo nano carbon (MNC) on power generation performance for anode material of direct glucose fuel cell was investigated. Three types of MNC with different mesopore distributions were used for the catalyst support material, Pt was used as the supported metal. Also, Vulcan XC-72 which is carbon black of microporous material was used as a comparative material. In the glucose fuel cell performance test, MNC having many pores of about 35 nm showed the highest maximum output density of 0.72 mW cm-2 at 5 wt% metal loading and 0.3 M Glucose. Vulcan XC-72, which was a microporous material had low power generation performance. MNC showed higher power generation performance than that of Vulcan XC-72. The pores of about 35 nm probably promoted ion diffusion and rapid mass transport of reactants and products. These results indicated that MNC was an effective material as anode material for DGFC. Figure 1

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“…Marimo carbon is a new material that is composed of high density, spherical carbon nanotubes (CNTs) and nanofilaments (CNFs) [1][2][3]. The model of marimo carbon is shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Selective synthesis of marimo carbon using Fluidized-Bed chemical vapor deposition

Kin

Nakagawa

Oda

et al. 2016

Trans. Mat. Res. Soc. Japan

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Marimo carbon is a fibrous carbon material that has attracted attention in many fields, such as for its use in electronic devices and capacitors. It has diamond particles in its core, with carbon nanofilaments radiating outward from diamond core. In this study, we synthesized marimo carbon using an oxidized diamond-supported catalyst by fluidized bed chemical vapor deposition (CVD) and rotary fluidized bed CVD. This demonstrated that fluidized bed technology can be used for the cost-efficient, large-scale production of uniform marimo carbon.

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Catalytic synthesis of carbon nanotube over nickel ferrite loaded oxidized diamond catalyst

Cited by 6 publications

References 9 publications

Mini-review: Ferrite nanoparticles in the catalysis

Mini-review: Ferrite nanoparticles in the catalysis

Effect of Mesopores of Marimo Nano Carbon Anode Material on Power Generation Performance of Direct Glucose Fuel Cell

Selective synthesis of marimo carbon using Fluidized-Bed chemical vapor deposition

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