Nano Research

, 2:903 | Cite as

Direct observation of the strong interaction between carbon nanotubes and quartz substrate

  • Lei Ding
  • Weiwei Zhou
  • Thomas P. McNicholas
  • Jinyong Wang
  • Haibin Chu
  • Yan Li
  • Jie Liu
Open Access
Research Article


We present a chemical vapor deposition (CVD) method for the growth of uniform single-walled carbon nanotube (SWNT) arrays on a stable temperature (ST)-cut single crystal quartz substrate using a mixture of methanol and ethanol as carbon source. It is found that introducing methanol during the growth can improve the density and the length of the well-aligned SWNTs in the arrays as well as increase the SWNT/quartz interaction. Obvious “up-shifts” of G-band frequencies in the Raman spectra have been found for the aligned SWNTs. A welldesigned control experiment shows that the G-band “up-shifts” originate from the strong interaction between SWNTs and the quartz substrate. It is believed that exploring this interaction will help to elucidate the growth mechanism; ultimately, this will help realize the promise of controlling the chirality of SWNTs.


Single-walled carbon nanotube quartz wafer Raman spectroscopy G-band “up-shift” chemical vapor deposition (CVD) 

Supplementary material

12274_2009_9093_MOESM1_ESM.pdf (433 kb)
Supplementary material, approximately 340 KB.


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Copyright information

© Tsinghua University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Lei Ding
    • 1
  • Weiwei Zhou
    • 1
  • Thomas P. McNicholas
    • 1
  • Jinyong Wang
    • 2
  • Haibin Chu
    • 2
  • Yan Li
    • 2
  • Jie Liu
    • 1
  1. 1.Department of ChemistryDuke UniversityDurhamUSA
  2. 2.Beijing National Laboratory for Molecular Sciences, Key Laboratory for the Physics and Chemistry of Nanodevices, National Laboratory of Rare Earth Material Chemistry and Application, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina

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