抄録
To extend the application fields of single-wall carbon nanotubes (SWNTs) and single-wall carbon nanohorns (SWNHs), their chemical modification is essential. Since their graphene-sheet-based structures are chemically robust, only the edges of the graphene sheets, more specifically the oxygen-containing functional groups at hole edges, are useful sites for chemical modification. However, not much is known about the hole-edges, so the phenomenon reported here, that the hole edges easily react with conventional reagents, was previously unknown. We observed a lowering of the combustion temperature of SWNTs and SWNHs immersed in water; this lowering was induced as a result of the hydrolysis of oxygen-containing functional groups (anhydrides and/or lactones) at the hole edges. We also found that the reactivity of hole edges can be easily controlled through an appropriate choice of solvents. We believe that this study is helpful to our understanding of hole-edge chemistry and will help to enable the production of well-designed carbonaceous materials with high functionality.
| 元の言語 | 英語 |
|---|---|
| ページ（範囲） | 10732-10735 |
| ページ数 | 4 |
| ジャーナル | Journal of Physical Chemistry B |
| 巻 | 108 |
| 発行部数 | 30 |
| DOI | |
| 出版物ステータス | 出版済み - 7 29 2004 |
Fingerprint
All Science Journal Classification (ASJC) codes
- Physical and Theoretical Chemistry
- Surfaces, Coatings and Films
- Materials Chemistry
これを引用
Solvent effects on hole-edge structure for single-wall carbon nanotubes and single-wall carbon nanohorns. / Miyawaki, Jin; Yudasaka, Masako; Iijima, Sumio.
：: Journal of Physical Chemistry B, 巻 108, 番号 30, 29.07.2004, p. 10732-10735.研究成果: ジャーナルへの寄稿 › 記事
}
TY - JOUR
T1 - Solvent effects on hole-edge structure for single-wall carbon nanotubes and single-wall carbon nanohorns
AU - Miyawaki, Jin
AU - Yudasaka, Masako
AU - Iijima, Sumio
PY - 2004/7/29
Y1 - 2004/7/29
N2 - To extend the application fields of single-wall carbon nanotubes (SWNTs) and single-wall carbon nanohorns (SWNHs), their chemical modification is essential. Since their graphene-sheet-based structures are chemically robust, only the edges of the graphene sheets, more specifically the oxygen-containing functional groups at hole edges, are useful sites for chemical modification. However, not much is known about the hole-edges, so the phenomenon reported here, that the hole edges easily react with conventional reagents, was previously unknown. We observed a lowering of the combustion temperature of SWNTs and SWNHs immersed in water; this lowering was induced as a result of the hydrolysis of oxygen-containing functional groups (anhydrides and/or lactones) at the hole edges. We also found that the reactivity of hole edges can be easily controlled through an appropriate choice of solvents. We believe that this study is helpful to our understanding of hole-edge chemistry and will help to enable the production of well-designed carbonaceous materials with high functionality.
AB - To extend the application fields of single-wall carbon nanotubes (SWNTs) and single-wall carbon nanohorns (SWNHs), their chemical modification is essential. Since their graphene-sheet-based structures are chemically robust, only the edges of the graphene sheets, more specifically the oxygen-containing functional groups at hole edges, are useful sites for chemical modification. However, not much is known about the hole-edges, so the phenomenon reported here, that the hole edges easily react with conventional reagents, was previously unknown. We observed a lowering of the combustion temperature of SWNTs and SWNHs immersed in water; this lowering was induced as a result of the hydrolysis of oxygen-containing functional groups (anhydrides and/or lactones) at the hole edges. We also found that the reactivity of hole edges can be easily controlled through an appropriate choice of solvents. We believe that this study is helpful to our understanding of hole-edge chemistry and will help to enable the production of well-designed carbonaceous materials with high functionality.
UR - http://www.scopus.com/inward/record.url?scp=4043151624&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=4043151624&partnerID=8YFLogxK
U2 - 10.1021/jp048970m
DO - 10.1021/jp048970m
M3 - Article
AN - SCOPUS:4043151624
VL - 108
SP - 10732
EP - 10735
JO - Journal of Physical Chemistry B Materials
JF - Journal of Physical Chemistry B Materials
SN - 1520-6106
IS - 30
ER -