Mechanochemically induced Sp3-bond-associated reconstruction of single-wall carbon nanohorns

被引：10

作者：

Urita, Koki ^{[1
]}

Seki, Shinya ^{[1
]}

Tsuchiya, Hideyuki ^{[1
]}

Honda, Hiroaki ^{[1
]}

Utsumi, Shigenori ^{[2
]}

Hayakawa, Chiharu ^{[1
]}

Kanoh, Hirofumi ^{[1
]}

Ohba, Tomonori ^{[1
]}

Tanaka, Hideki ^{[3
]}

Yudasaka, Masako ^{[4
]}

Iijima, Sumio ^{[4
,5
]}

Kaneko, Katsumi ^{[1
]}

机构：

[1] Chiba Univ, Grad Sch Sci, Dept Chem, Chiba 2638522, Japan

[2] Tokyo Univ Sci, Fac Syst Engn, Dept Mech & Syst Design, Suwa 3910292, Japan

[3] Kyoto Univ, Dept Chem Engn, Kyoto 6158510, Japan

[4] NEC Corp Ltd, JST SORST, Tsukuba, Ibaraki 3058501, Japan

[5] Meijyo Univ, Dept Phys, Nagoya, Aichi 4688522, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 24期

关键词：

D O I：

10.1021/jp802276s

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Single-wall carbon nanohorns (SWCNHs) and partially oxidized SWCNHs (ox-SWCNHs) were mechanochemically treated for the elucidation of their unique chemical bonding state. The mechanochemical treatment promoted the transformation from Sp(2) to Sp(3) bonding from XPS, leading to an increase and decrease in the micropore volume for SWCNHs and ox-SWCNHs, respectively. The changes in the micropore volume and the electrical conductivity responses on CO2 adsorption indicate the occurrence of tubulite-to-tubulite reconstruction in SWCNH through unstable Sp(3) bonding.

引用

页码：8759 / 8762

页数：4

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