The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment
Carbon coils could be synthesized using C2H2/H2 as source gases and SF6 as an incorporated additive gas under thermal chemical vapor deposition system. Ni layer on SiO2 substrate was used as a catalyst for the formation of carbon coils. Ni powder was evaporated to form Ni layer on the substrate. The...
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doaj-bbfdd0b7695040bb8d775755ab5f6c392020-11-24T22:38:59ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292013-01-01201310.1155/2013/325827325827The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma PretreatmentYoung-Chul Jeon0Semi Park1Sung-Hoon Kim2Department of Engineering in Energy and Applied Chemistry, Silla University, Busan 617-736, Republic of KoreaDepartment of Engineering in Energy and Applied Chemistry, Silla University, Busan 617-736, Republic of KoreaDepartment of Engineering in Energy and Applied Chemistry, Silla University, Busan 617-736, Republic of KoreaCarbon coils could be synthesized using C2H2/H2 as source gases and SF6 as an incorporated additive gas under thermal chemical vapor deposition system. Ni layer on SiO2 substrate was used as a catalyst for the formation of carbon coils. Ni powder was evaporated to form Ni layer on the substrate. The characteristics (formation densities, morphologies, and geometries) of as-grown carbon coils on the substrate were investigated as a function of the evaporation time for Ni catalyst layer formation. By hydrogen plasma pretreatment prior to carbon coils synthesis reaction, the dominant formation of the nanosized wave-like geometry of carbon coils could be achieved. The characteristics of as-grown carbon coils with or without hydrogen plasma pretreatment process were investigated. The cause for the control of the carbon coils geometries from the microsized type to the nanosized wave-like one by H2 plasma pretreatment was discussed in association with the stress of Ni catalyst layer on the substrate.http://dx.doi.org/10.1155/2013/325827 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Young-Chul Jeon Semi Park Sung-Hoon Kim |
spellingShingle |
Young-Chul Jeon Semi Park Sung-Hoon Kim The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment Journal of Nanomaterials |
author_facet |
Young-Chul Jeon Semi Park Sung-Hoon Kim |
author_sort |
Young-Chul Jeon |
title |
The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment |
title_short |
The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment |
title_full |
The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment |
title_fullStr |
The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment |
title_full_unstemmed |
The Geometry Variation of As-Grown Carbon Coils with Ni Layer Thickness and Hydrogen Plasma Pretreatment |
title_sort |
geometry variation of as-grown carbon coils with ni layer thickness and hydrogen plasma pretreatment |
publisher |
Hindawi Limited |
series |
Journal of Nanomaterials |
issn |
1687-4110 1687-4129 |
publishDate |
2013-01-01 |
description |
Carbon coils could be synthesized using C2H2/H2 as source gases and SF6 as an incorporated additive gas under thermal chemical vapor deposition system. Ni layer on SiO2 substrate was used as a catalyst for the formation of carbon coils. Ni powder was evaporated to form Ni layer on the substrate. The characteristics (formation densities, morphologies, and geometries) of as-grown carbon coils on the substrate were investigated as a function of the evaporation time for Ni catalyst layer formation. By hydrogen plasma pretreatment prior to carbon coils synthesis reaction, the dominant formation of the nanosized wave-like geometry of carbon coils could be achieved. The characteristics of as-grown carbon coils with or without hydrogen plasma pretreatment process were investigated. The cause for the control of the carbon coils geometries from the microsized type to the nanosized wave-like one by H2 plasma pretreatment was discussed in association with the stress of Ni catalyst layer on the substrate. |
url |
http://dx.doi.org/10.1155/2013/325827 |
work_keys_str_mv |
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