Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

’Buckyball’ Material Brings Light into Line

15.09.2003


Using molecules resembling 60-sided soccer balls, a joint team of researchers from the University of Toronto and Carleton University has created a new material for processing information using light.



Led by U of T electrical and computer engineering professor Ted Sargent and Carleton University chemistry professor Wayne Wang, the team developed a material that combines microscopic spherical particles known as “buckyballs” with polyurethane, the polymer used as a coating on cars and furniture. The buckyballs, given the chemical notation C60, are clusters of 60 carbon atoms resembling soccer balls that are only a few nanometres in diameter. (A nanometre equals a billionth of a metre.)

When the mixture of polyurethane and buckyballs is used as a thin film on a flat surface, light particles travelling though the material pick up each others’ patterns. These materials have the capacity to make the delivery and processing of information in fibre-optic communications more efficient.


“In our high-optical-quality films, light interacts 10-to-100 times more strongly with itself, for all wavelengths used in optical fibre communications, than in previously reported C60-based materials,” says Sargent, a professor at U of T’s Edward S. Rogers Sr. Department of Electrical and Computer Engineering. “We’ve also shown for the first time that we can meet commercial engineering requirements: the films perform well at 1550 nanometres, the wavelength used to communicate information over long distances.”

Light—made up of particles called photons—is widely used in fibre-optic networks to communicate trillions of bits of information each second over long distances. At the moment, these fast and free-flowing signals are difficult to harness. The new material is described in a study in the Sept. 15 issue of Applied Physics Letters.

“The key to making this powerful signal-processing material was to master the chemistry of linking together the buckyballs and the polymer,” says Wang, Canada Research Chair in Emerging Organic Materials at Carleton University in Ottawa.

According to Sargent, the Nortel Networks-Canada Research Chair in Emerging Technologies, “this work proves that ‘designer molecules’ synthesized using nanotechnology can have powerful implications for future generations of computing and communications networks.”

The research was supported by the Ontario Research and Development Challenge Fund, Nortel Networks, the Natural Sciences and Engineering Research Council of Canada, Canada Research Chairs Foundation, the Canada Foundation for Innovation and the Ontario Innovation Trust.


CONTACT:

Ted Sargent
Edward S. Rogers Sr. Department of Electrical and Computer Engineering
416-946-5051
ted.sargent@utoronto.ca

Nicolle Wahl
U of T Public Affairs
416-978-6974
nicolle.wahl@utoronto.ca





Nicolle Wahl | University of Toronto
Further information:
http://www.utoronto.ca

More articles from Materials Sciences:

nachricht Serendipity uncovers borophene's potential
23.02.2017 | Northwestern University

nachricht Switched-on DNA
20.02.2017 | Arizona State University

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Breakthrough with a chain of gold atoms

In the field of nanoscience, an international team of physicists with participants from Konstanz has achieved a breakthrough in understanding heat transport

In the field of nanoscience, an international team of physicists with participants from Konstanz has achieved a breakthrough in understanding heat transport

Im Focus: DNA repair: a new letter in the cell alphabet

Results reveal how discoveries may be hidden in scientific “blind spots”

Cells need to repair damaged DNA in our genes to prevent the development of cancer and other diseases. Our cells therefore activate and send “repair-proteins”...

Im Focus: Dresdner scientists print tomorrow’s world

The Fraunhofer IWS Dresden and Technische Universität Dresden inaugurated their jointly operated Center for Additive Manufacturing Dresden (AMCD) with a festive ceremony on February 7, 2017. Scientists from various disciplines perform research on materials, additive manufacturing processes and innovative technologies, which build up components in a layer by layer process. This technology opens up new horizons for component design and combinations of functions. For example during fabrication, electrical conductors and sensors are already able to be additively manufactured into components. They provide information about stress conditions of a product during operation.

The 3D-printing technology, or additive manufacturing as it is often called, has long made the step out of scientific research laboratories into industrial...

Im Focus: Mimicking nature's cellular architectures via 3-D printing

Research offers new level of control over the structure of 3-D printed materials

Nature does amazing things with limited design materials. Grass, for example, can support its own weight, resist strong wind loads, and recover after being...

Im Focus: Three Magnetic States for Each Hole

Nanometer-scale magnetic perforated grids could create new possibilities for computing. Together with international colleagues, scientists from the Helmholtz Zentrum Dresden-Rossendorf (HZDR) have shown how a cobalt grid can be reliably programmed at room temperature. In addition they discovered that for every hole ("antidot") three magnetic states can be configured. The results have been published in the journal "Scientific Reports".

Physicist Dr. Rantej Bali from the HZDR, together with scientists from Singapore and Australia, designed a special grid structure in a thin layer of cobalt in...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Booth and panel discussion – The Lindau Nobel Laureate Meetings at the AAAS 2017 Annual Meeting

13.02.2017 | Event News

Complex Loading versus Hidden Reserves

10.02.2017 | Event News

International Conference on Crystal Growth in Freiburg

09.02.2017 | Event News

 
Latest News

Stingless bees have their nests protected by soldiers

24.02.2017 | Life Sciences

New risk factors for anxiety disorders

24.02.2017 | Life Sciences

MWC 2017: 5G Capital Berlin

24.02.2017 | Trade Fair News

VideoLinks
B2B-VideoLinks
More VideoLinks >>>