Large thick flattened carbon nanotubes

被引：53

作者：

Liu, SW ^{[1
]}

Yue, J

Wehmschulte, RJ

机构：

[1] Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China

[2] Univ Oklahoma, Dept Chem & Biochem, Norman, OK 73019 USA

来源：

NANO LETTERS | 2002年 / 2卷 / 12期

关键词：

D O I：

10.1021/nl0257869

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper describes large thick flattened multiwalled carbon nanotubes (MWCTs) that have been synthesized using the precursors Co(CO)(3)NO or Fe(CO)(5). TEM and HRTEM clearly show that even thick MWCNTs (more than 30 layers) can be collapsed or partially flattened. The transition from circular to flattened was observed by HRTEM in a partially flattened nanotube. The estimated wall thickness of these flattened nanotubes ranges from 13 to 40 layers, the outer width of the flattened nanotubes (ribbons) lies between 43 and 121 nm. Metal-filled, partially flattened MWCTs were also found in the samples, and TEM and XRD results confirmed that the metals were encapsulated in the carbon shells.

引用

页码：1439 / 1442

页数：4

共 18 条

[1] Hard elastic carbon thin films from linking of carbon nanoparticles [J].

Amaratunga, GAJ ;

Chhowalla, M ;

Kiely, CJ ;

Alexandrou, I ;

Aharonov, R ;

Devenish, RM .

NATURE, 1996, 383 (6598) :321-323

[2] High-resolution transmission electron microscopy and energetics of flattened carbon nanoshells [J].

Bourgeois, LN ;

Bursill, LA .

CHEMICAL PHYSICS LETTERS, 1997, 277 (5-6) :571-578

[3] High-resolution transmission electron microscopic study of nanoporous carbon consisting of curved single graphitic sheets [J].

Bourgeois, LN ;

Bursill, LA .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1997, 76 (04) :753-768

[4] FULLY COLLAPSED CARBON NANOTUBES [J].

CHOPRA, NG ;

BENEDICT, LX ;

CRESPI, VH ;

COHEN, ML ;

LOUIE, SG ;

ZETTL, A .

NATURE, 1995, 377 (6545) :135-138

[5] SINGLE-SHELL CARBON NANOTUBES OF 1-NM DIAMETER [J].

IIJIMA, S ;

ICHIHASHI, T .

NATURE, 1993, 363 (6430) :603-605

[6] Structures of carbon soot prepared by laser ablation [J].

Iijima, S ;

Wakabayashi, T ;

Achiba, Y .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (14) :5839-5843

[7] HELICAL MICROTUBULES OF GRAPHITIC CARBON [J].

IIJIMA, S .

NATURE, 1991, 354 (6348) :56-58

[8] Size effects in carbon nanotubes [J].

Kiang, CH ;

Endo, M ;

Ajayan, PM ;

Dresselhaus, G ;

Dresselhaus, MS .

PHYSICAL REVIEW LETTERS, 1998, 81 (09) :1869-1872

[9] C-60 - BUCKMINSTERFULLERENE [J].

KROTO, HW ;

HEATH, JR ;

OBRIEN, SC ;

CURL, RF ;

SMALLEY, RE .

NATURE, 1985, 318 (6042) :162-163

[10] Growth model for bamboolike structured carbon nanotubes synthesized using thermal chemical vapor deposition [J].

Lee, CJ ;

Park, J .

JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (12) :2365-2368

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