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Novel method to make nanomaterials discovered

Date:
February 24, 2012
Source:
Suomen Akatemia (Academy of Finland)
Summary:
Researchers have discovered a novel way to make nanomaterials. Using computer simulations, the researchers have been able to predict that long and narrow graphene nanoribbons can be rolled into carbon nanotubes by means of twisting.

Graphene nanoribbons can be transformed into carbon nanotubes by twisting.
Credit: Pekka Koskinen

Researchers at the NanoScience Center of the University of Jyväskylä, Finland, and at Harvard University, US, have discovered a novel way to make nanomaterials. Using computer simulations, the researchers have been able to predict that long and narrow graphene nanoribbons can be rolled into carbon nanotubes by means of twisting. The research has received funding from the Academy of Finland.

The basic idea is simple and easily explained: just twist the ends of a strap on your backpack and watch what happens. Being classical in origin, the mechanism is robust and valid on the macro-, micro- and nanoscale.

The mechanism also enables experimental control, which has earlier been impossible. The mechanism can be used to make various kinds of novel carbon nanotubes, to encapsulate molecules insides the tubes, or to make tubules from ribbons made out of other planar nanomaterials.

For the past twenty years, carbon nanotubes have been described as "rolled-up graphenes," even though no-one ever really did the rolling. Today, nanotubes, along with many other nanomaterials, are made by atom-by-atom growth.

The results were published in Physical Review B. The research used the computer resources of the Finnish IT Centre for Science (CSC), based in Espoo.


Story Source:

The above story is based on materials provided by Suomen Akatemia (Academy of Finland). Note: Materials may be edited for content and length.


Journal Reference:

  1. O. Kit, T. Tallinen, L. Mahadevan, J. Timonen, P. Koskinen. Twisting graphene nanoribbons into carbon nanotubes. Physical Review B, 2012; 85 (8) DOI: 10.1103/PhysRevB.85.085428

Cite This Page:

Suomen Akatemia (Academy of Finland). "Novel method to make nanomaterials discovered." ScienceDaily. ScienceDaily, 24 February 2012. <www.sciencedaily.com/releases/2012/02/120224110601.htm>.
Suomen Akatemia (Academy of Finland). (2012, February 24). Novel method to make nanomaterials discovered. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2012/02/120224110601.htm
Suomen Akatemia (Academy of Finland). "Novel method to make nanomaterials discovered." ScienceDaily. www.sciencedaily.com/releases/2012/02/120224110601.htm (accessed October 20, 2014).

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