Single-wall carbon nanotubes synthesized using organic additives to Co-Mo catalysts supported on nanoporous MgO
نویسنده:
, , , , ,سال
: 2007
چکیده: Carbon nanotubes (CNTs) were synthesized by catalytic decomposition of
20% methane in hydrogen over Co–Mo/MgO catalysts at 1000 ◦C. The
catalysts were prepared by a modified sol–gel method, using sorbitol,
ethylenediamine tetraacetic acid (EDTA), tartaric acid and citric acid as
organic additives. The specific surface area (SSA) of the catalysts changes
with the organic additives in the order of sorbitol > EDTA > citric acid >
tartaric acid. As a result the crystallite size, dispersion of Co–Mo and hence
the quality of the carbon nanotubes change with the organic additive. Up to
180 wt% yield of high quality single-wall carbon nanotubes (SWNTs) with
inner-wall diameter close to 1.0–1.2 nm are obtained on the catalyst prepared
in the presence of sorbitol.
20% methane in hydrogen over Co–Mo/MgO catalysts at 1000 ◦C. The
catalysts were prepared by a modified sol–gel method, using sorbitol,
ethylenediamine tetraacetic acid (EDTA), tartaric acid and citric acid as
organic additives. The specific surface area (SSA) of the catalysts changes
with the organic additives in the order of sorbitol > EDTA > citric acid >
tartaric acid. As a result the crystallite size, dispersion of Co–Mo and hence
the quality of the carbon nanotubes change with the organic additive. Up to
180 wt% yield of high quality single-wall carbon nanotubes (SWNTs) with
inner-wall diameter close to 1.0–1.2 nm are obtained on the catalyst prepared
in the presence of sorbitol.
کلیدواژه(گان): Carbon nanotubes,catalyst,MgO,Organic additives
کالکشن
:
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آمار بازدید
Single-wall carbon nanotubes synthesized using organic additives to Co-Mo catalysts supported on nanoporous MgO
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| contributor author | علیمراد رشیدی | en |
| contributor author | محمد مهدی اکبرنژاد | en |
| contributor author | علی اکبر خدادادی | en |
| contributor author | یدا... مرتضوی | en |
| contributor author | علی احمدپور | en |
| contributor author | Ali Ahmadpour | fa |
| date accessioned | 2020-06-06T13:29:47Z | |
| date available | 2020-06-06T13:29:47Z | |
| date issued | 2007 | |
| identifier uri | https://libsearch.um.ac.ir:443/fum/handle/fum/3357273 | |
| description abstract | Carbon nanotubes (CNTs) were synthesized by catalytic decomposition of 20% methane in hydrogen over Co–Mo/MgO catalysts at 1000 ◦C. The catalysts were prepared by a modified sol–gel method, using sorbitol, ethylenediamine tetraacetic acid (EDTA), tartaric acid and citric acid as organic additives. The specific surface area (SSA) of the catalysts changes with the organic additives in the order of sorbitol > EDTA > citric acid > tartaric acid. As a result the crystallite size, dispersion of Co–Mo and hence the quality of the carbon nanotubes change with the organic additive. Up to 180 wt% yield of high quality single-wall carbon nanotubes (SWNTs) with inner-wall diameter close to 1.0–1.2 nm are obtained on the catalyst prepared in the presence of sorbitol. | en |
| language | English | |
| title | Single-wall carbon nanotubes synthesized using organic additives to Co-Mo catalysts supported on nanoporous MgO | en |
| type | Journal Paper | |
| contenttype | External Fulltext | |
| subject keywords | Carbon nanotubes | en |
| subject keywords | catalyst | en |
| subject keywords | MgO | en |
| subject keywords | Organic additives | en |
| journal title | Nanotechnology | en |
| journal title | Nanotechnology | fa |
| journal volume | 0 | |
| journal issue | 0 | |
| identifier link | https://profdoc.um.ac.ir/paper-abstract-1004871.html | |
| identifier articleid | 1004871 |