Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Carbon-rich molecules "supersized" for the first time

Abstract:
The giant superstructures permit researchers to test predictions of usefulness for synthetic carbon

Carbon-rich molecules "supersized" for the first time

Eugene, OR | Posted on December 02, 2005

A University of Oregon chemist has "supersized" carbon-rich molecules, enabling researchers for the first time to test theories about the useful properties of synthetic forms of carbon. The discovery by Mike Haley will be published as the cover story in the Dec. 9 edition of the Journal of Organic Chemistry (JOC). The story will be posted on the JOC website today (Dec. 2).

Artist's conception of chemistry professor Mike Haley's supersized carbon-rich molecules. Image credit: Annie Tykwinski.
Artist's conception of chemistry professor Mike Haley's "supersized" carbon-rich molecules. Image credit: Annie Tykwinski.

Click on image for larger version.

Scientists have long predicted that unnatural forms of carbon could have many technologically useful properties, much like those found for the natural phases of carbon, which are graphite and diamond. Haley's research seeks to prove those predictions are true and to do so, the new carbon materials must be of sufficient size to observe their properties.

"'Supersizing' fragments of unnatural carbon has enormous implications for determining future applications because certain properties can only be realized at much larger dimensions," said Haley. At a diameter of five to six nanometers (a nanometer is a billionth of a meter) the new disk-shaped molecules are more than twice the size of the one-to-two nanometer pieces previously developed by Haley's team. For instance, Haley explains that molecules of polystyrene used for Styrofoam cups are rigid because of their large size. At much smaller molecule sizes, however, the same material is a viscous liquid. "Size is important," he said.

Haley and doctoral student Jeremiah Marsden were able to produce several different supersized molecules by using acetylene subunits to link benzene anchors to form the giant networks. The expanded molecules have a high density of pi-electrons that are extremely useful for electronics and optics. Haley said the most promising application for the new material is in optical electronics and, specifically, switches used in telecommunications. Haley's group is collaborating with researchers at the University of Michigan to test the strength, reliability, and durability of the new material.

Mike Haley is a professor of chemistry and a member of the university's Materials Science Institute. His research was funded by a grant from the National Science Foundation.

####
Source:
Mike Haley
541-346-0456
Haley@uoregon.edu

Contact:
Kathy Madison
541-346-3145
kmadison@uoregon.edu

Links:
Mike Haley Webpage
The Journal of Organic Chemistry
Carbon Networks Based on Dehydrobenzoannulenes


Copyright University of Oregon

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

Possible Futures

Rice U. refines filters for greener natural gas: New study defines best materials for carbon capture, methane selectivity March 23rd, 2017

Artificial photosynthesis steps into the light: Rice University lab turns transition metals into practical catalyst for solar, other applications March 23rd, 2017

Scientists discover new 'boat' form of promising semiconductor: GeSe Uncommon form attenuates semiconductor's band gap size March 23rd, 2017

Rare-earths become water-repellent only as they age March 22nd, 2017

Materials/Metamaterials

Rice U. refines filters for greener natural gas: New study defines best materials for carbon capture, methane selectivity March 23rd, 2017

Artificial photosynthesis steps into the light: Rice University lab turns transition metals into practical catalyst for solar, other applications March 23rd, 2017

Rare-earths become water-repellent only as they age March 22nd, 2017

CRMGroup in Belgium uses a Deben three point bending stage in the development of new steel & coated steel products for automotive and other industrial applications March 21st, 2017

Announcements

Nanobiotix: The Independent Data Monitoring Committee Recommends the Continuation of the Ongoing Phase II/III Trial of NBTXR3 in Soft Tissue Sarcoma March 23rd, 2017

Leti Presents Advances in Propagation Modeling and Antenna Design for mmWave Spectrum: Paper Is One of 15 that Leti Presented at European Conference on Antennas and Propagation March 19-24 March 23rd, 2017

Rice U. refines filters for greener natural gas: New study defines best materials for carbon capture, methane selectivity March 23rd, 2017

Artificial photosynthesis steps into the light: Rice University lab turns transition metals into practical catalyst for solar, other applications March 23rd, 2017

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project