Influence of a top crust of entangled nanotubes on the structure of vertically aligned forests of single-walled carbon nanotubes

被引：63

作者：

Zhang, Liang

Li, Zhongrui

Tan, Yongqiang

Lolli, Giulio

Sakulchaicharoen, Nataphan

Requejo, Felix G.

Mun, B. Simon

Resasco, Daniel E. ^{[1
]}

机构：

[1] Univ Oklahoma, Sch Chem Biochem & Mat Engn, Norman, OK 73019 USA

[2] Natl Univ La Plata, CONICET, Dept Fis, RA-1900 La Plata, Argentina

[3] Natl Univ La Plata, CONICET, INIFTA, IFLP, RA-1900 La Plata, Argentina

[4] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

CHEMISTRY OF MATERIALS | 2006年 / 18卷 / 23期

关键词：

D O I：

10.1021/cm061783b

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：

The time evolution of the growth process of vertically aligned single- walled carbon nanotubes ( or V- SWNTs) on a flat substrate was examined by scanning electron microscopy ( SEM), resonant Raman spectroscopy, and angle- resolved X- ray absorption near- edge structure ( XANES). This detailed characterization gives evidence for the growth of a thin layer ( crust) of randomly oriented single- walled carbon nanotubes during the first stages of the growth process. This crust is responsible for the unique forest- like morphology exhibited by this type of SWNT structure.

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页码：5624 / 5629

页数：6

相关论文

共 24 条

[1] Characterization of single-walled carbon nanotubes (SWNTs) produced by CO disproportionation on Co-Mo catalysts [J].

Alvarez, WE ;

Pompeo, F ;

Herrera, JE ;

Balzano, L ;

Resasco, DE .

CHEMISTRY OF MATERIALS, 2002, 14 (04) :1853-1858

[2] Production and measurements of individual single-wall nanotubes and small ropes of carbon [J].

Arepalli, S ;

Nikolaev, P ;

Holmes, W ;

Files, BS .

APPLIED PHYSICS LETTERS, 2001, 78 (11) :1610-1612

[3] Near-edge X-ray absorption fine structure investigations of order in carbon nanotube-based systems [J].

Banerjee, S ;

Hemraj-Benny, T ;

Sambasivan, S ;

Fischer, DA ;

Misewich, JA ;

Wong, SS .

JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (17) :8489-8495

[4] Surface chemistry and structure of purified, ozonized, multiwalled carbon nanotubes probed by NEXAFS and vibrational spectroscopies [J].

Banerjee, S ;

Hemraj-Benny, T ;

Balasubramanian, M ;

Fischer, DA ;

Misewich, JA ;

Wong, SS .

CHEMPHYSCHEM, 2004, 5 (09) :1416-1422

[5] Near-edge x-ray absorption of carbon materials for determining bond hybridization In mixed sp2/sp3 bonded materials [J].

Coffman, FL ;

Cao, R ;

Pianetta, PA ;

Kapoor, S ;

Kelly, M ;

Terminello, LJ .

APPLIED PHYSICS LETTERS, 1996, 69 (04) :568-570

[6] 84% Catalyst activity of water-assisted growth of single walled carbon nanotube forest characterization by a statistical and macroscopic approach [J].

Futaba, DN ;

Hata, K ;

Namai, T ;

Yamada, T ;

Mizuno, K ;

Hayamizu, Y ;

Yumura, M ;

Iijima, S .

JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (15) :8035-8038

[7] Gas-dynamic consideration of the laser evaporation synthesis of single-wall carbon nanotubes [J].

Gorbunov, AA ;

Friedlein, R ;

Jost, O ;

Golden, MS ;

Fink, J ;

Pompe, W .

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 1999, 69 (Suppl 1) :S593-S596

[8] Water-Assisted Highly Efficient Synthesis of Impurity-Free Single-Walled Carbon Nanotubes [J].

Hata, K ;

Futaba, DN ;

Mizuno, K ;

Namai, T ;

Yumura, M ;

Iijima, S .

SCIENCE, 2004, 306 (5700) :1362-1364

[9] Morphology and chemical state of Co-Mo catalysts for growth of single-walled carbon nanotubes vertically aligned on quartz substrates [J].

Hu, MH ;

Murakami, Y ;

Ogura, M ;

Maruyama, S ;

Okubo, T .

JOURNAL OF CATALYSIS, 2004, 225 (01) :230-239

[10] Oxygen-containing functional groups on single-wall carbon nanotubes: NEXAFS and vibrational spectroscopic studies [J].

Kuznetsova, A ;

Popova, I ;

Yates, JT ;

Bronikowski, MJ ;

Huffman, CB ;

Liu, J ;

Smalley, RE ;

Hwu, HH ;

Chen, JGG .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (43) :10699-10704