Skip to main content Accessibility help
×
Home

Creating catalytically active nanoparticles via block copolymer templates for carbon nanotube and silicon nanowire growth

  • Jennifer Lu (a1) and Danielle Chamberlin (a2)

Abstract

Using solution micelles formed by a block copolymer template, a variety of highly ordered catalytically active transition metal nanoparticles, ranging from single metallic nanoparticles of Fe, Co, Ni and Au to bimetallic nanoparticles such as Ni/Fe with uniform size and periodicity, have been created. These nanoparticles are excellent catalyst systems for the synthesis of carbon nanotubes and silicon nanowires. High quality, small diameter carbon nanotubes and silicon nanowires with narrow size distribution have been successfully produced. Since this block copolymer is fully compatible with conventional top-down photolithography, spatially selective growth of carbon nanotubes and silicon nanowires on a surface or carbon nanotubes suspended across trenches have been achieved using standard semiconductor processing techniques. The ability of the block copolymer template to generate catalyst with adjustable size and composition on a variety of surfaces not only enhance the manufacturability of these 1D nanobuilding blocks but also facilitates studying the growth mechanism.

Copyright

References

Hide All
1. Appenzeller, J., Knoch, J., Martel, R., Derycke, V., Wind, S. J. and Avouris, P., IEEE Transactions on Nanotechnology, 1, 184 (2002).
2. McEuen, P. L., Fuhrer, M. S., Park, H. K., IEEE Transactions on Nanotechnology, 1, 78 (2002).
3. Chen, R. J., Bangsaruntip, S., Drouvalakis, K. A., N. Kam, W. S., Shim, M., Li, Y. M., Kim, W., Utz, P. J. and Dai, H. J., “Proceedings of the National Academy of Sciences of the United States of America”, 100, 4984 (2003).
4. Persson, A. I., Larsson, M. W., Stenström, S., Ohlsson, B. J., Samuelson, L. and Wallenberg, L. R., Nat. Mater. 3, 677 (2004).
5. Daiguji, H., Yang, P. and Majumdar, A., Nano. Lett. 4, 137 (2004).
6. Li, D., Wu, Y., Kim, P., Shi, L., Yang, P. and Majumdar, A., Applied Physics Letters, 83(14), 2934(2003).
7. Dresselhaus, M. S., Dresselhaus, G. and Avouris, P., Carbon Nanotubes: Synthesis, Structure, Properties, and Applications; Springer-Verlag: Berlin, 256, 2001
8. Park, M., Harrison, C., Chaikin, P., Register, R. and Adamson, R., Science 276, 1401 (1995).
9. Lopes, W. and Jaeger, M., Nature 414, 735 (2003).
10. Thurn-Alberchet, T., Schotter, J., Kästle, G.A., Emley, N., Shibauchi, T., Krusin-Elbaum, L., Gaurini, K., Black, C.T., Tuominen, M.T., and Russell, T.P., Science 290, 2126 (2000).
11. Hawker, C.J. and Russell, T. P., MRS bulletin, 30(12), 2005
12. Sharma, S., Kamins, T.I. and Williams, R.S., Appl. Phys. A 80, 1225(2005)

Keywords

Creating catalytically active nanoparticles via block copolymer templates for carbon nanotube and silicon nanowire growth

  • Jennifer Lu (a1) and Danielle Chamberlin (a2)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed