Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Four universities collaborate to synthesize new materials, nanoscale devices

Abstract:
The Army Research Office has awarded a Multi-University Research Initiative (MURI) grant, potentially worth $7.5 million, to scientists from Virginia Tech, the University of Pennsylvania, Pennsylvania State University, and Drexel University to develop electromechanical devices and high-performance membranes using ionic liquids.

Four universities collaborate to synthesize new materials, nanoscale devices

BLACKSBURG, VA | Posted on May 1st, 2007

Virginia Tech chemistry professor Tim Long and University of Pennsylvania professor of materials science and engineering Karen I. Winey are co-directors of the Ionic Liquids in Electro-Active Devices (ILEAD) MURI. Long is principal investigator.

Ionic liquids (ILs) are relatively large organic salts that offer charge and liquidity at room temperature. Some ILs are touted as safe, environmentally-friendly solvents. They are also useful in electrically conductive membranes, thermally stable at high temperatures, and do not evaporate at normal conditions. With today's advanced ability to manipulate molecular structure and design unique molecules, ILs' advantages are being explored for emerging applications. "The Army needs a myriad of electronic devices that take advantage of the potential synergy of these unique properties," Long said.

The team is creating synthetic ILs and evaluating their performance in sophisticated electronic devices. "Our challenge is to synthesize high performance materials with a particular device in mind. Then the device is truly created from the molecular-scale up," said Long.

The group will integrate ILs into membranes to create thin films to perform various functions, such as membranes that can transport or filter small molecules. "Applications include fuel cell membranes, where protons are transported across a membrane to create electricity. One advantage over existing fuel cell materials is that the IL will not evaporate, so future membranes will operate at higher temperatures with higher efficiency."

Another application could be stimuli-responsive materials for micro sensors and smart clothes, said Long. "The material would breathe and wick moisture away, but quickly close up in response to a chemical or biological threat. Such a suit could be used by the military, by a firefighter, or in an operating room."

Membranes can also be created that will bend, stretch, or change shape in response to a low voltage, like an artificial muscle.

And ILs can be used in coatings or as part of structures. The team will look at creating new polymeric materials that can be charged or conductive, Long said.

"ILs will serve as the building blocks for elastomers, fibers, and rigid plastics for such uses as protective gear and multilayer assemblies," Long said. "We are recharging a field that has been around for a couple of decades because now we are challenged with applications that require IL performance."

The MURI is charged to provide fundamental enabling science for future Army technologies.
Senior researchers will focus in three areas. Long and Virginia Tech chemistry professor Harry W. Gibson will work on synthesis of ILs and charged polymers. Winey and Penn State professor of materials science and engineering Ralph H. Colby will do mechanical, electrical, and morphological characterization. Yossef Elabd, professor of chemical and biological engineering at Drexel University; Virginia Tech physics professor Randy Heflin; and Qiming Zhang, distinguished professor of electrical engineering at Penn State, will research performance of actuators, electro-optical devices, and membranes. Virginia Tech and Drexel are both Army Materials Centers of Excellence.

Industrial collaborators include DuPont, IBM Almaden, Kraton Polymers, NexGen Aeronautics, BASF, and Discover Technologies. "The industrial collaborators will validate related commercial interests, provide cost-effective manufacturing scenarios, and facilitate technology transfer for military technologies," said Long.

The ILEAD MURI will be administered through the Macromolecules and Interfaces Institute (MII) ( http://www.mii.vt.edu/ ) at Virginia Tech, and both fiscal management and program administration will be provided from both MII and the Virginia Tech Institute for Critical Science and Applied Technology ( http://www.eng.vt.edu/ictas/ ). Long and Winey will serve as technical co-directors of the MURI and will work jointly with the Army Research Office
( http://www.arl.army.mil/main/main/default.cfm?Action=29&Page=29 ) and multiple Army Research Lab sites to coordinate periodic technical reviews, reporting, and technical strategy. Student internships will be available at the Army labs.

####

About Virginia Tech
Founded in 1872 as a land-grant college named Virginia Agricultural and Mechanical College, Virginia Tech is now a comprehensive, innovative research university with the largest full-time student population in Virginia. Through a combination of its three missions of learning, discovery, and engagement, Virginia Tech continually strives to accomplish the charge of its motto: Ut Prosim (That I May Serve).

For more information, please click here

Contacts:
Susan Trulove
540-231-5646

Copyright © Virginia Tech

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

Molecular Machines

Biophysics -- lighting up DNA-based nanostructures April 25th, 2018

Tiny nanomachine successfully completes test drive: Researchers at the University of Bonn and the research institute Caesar build a one-wheeled vehicle out of DNA rings April 11th, 2018

Piecework at the nano assembly line: Electric fields drive nano-motors a 100,000 times faster than previous methods January 22nd, 2018

'Gyroscope' molecules form crystal that's both solid and full of motion: New type of molecular machine designed by UCLA researchers could have wide-ranging applications in technology and science January 16th, 2018

Molecular Nanotechnology

Watching nanomaterials form in 4D: Novel technology allows researchers to see dynamic reactions as they happen at the nanoscale April 26th, 2018

Biophysics -- lighting up DNA-based nanostructures April 25th, 2018

Tiny nanomachine successfully completes test drive: Researchers at the University of Bonn and the research institute Caesar build a one-wheeled vehicle out of DNA rings April 11th, 2018

Moving nanoparticles using light and magnetic fields January 25th, 2018

Announcements

The relationship between charge density waves and superconductivity? It's complicated July 19th, 2018

Sirrus's Issued Patent Portfolio Continues To Accelerate July 18th, 2018

FEFU scientists reported on toxicity of carbon and silicon nanotubes and carbon nanofibers: Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. July 18th, 2018

In borophene, boundaries are no barrier: Rice U., Northwestern researchers make and test atom-thick boron's unique domains July 17th, 2018

Military

In borophene, boundaries are no barrier: Rice U., Northwestern researchers make and test atom-thick boron's unique domains July 17th, 2018

UMBC researchers develop nanoparticles to reduce internal bleeding caused by blast trauma July 13th, 2018

Carbon is the new black: Researchers use carbon nanotubes to develop clothing that can double as batteries July 10th, 2018

High-power electronics keep their cool with new heat-conducting crystals July 6th, 2018

Grants/Sponsored Research/Awards/Scholarships/Gifts/Contests/Honors/Records

FEFU scientists reported on toxicity of carbon and silicon nanotubes and carbon nanofibers: Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. July 18th, 2018

In borophene, boundaries are no barrier: Rice U., Northwestern researchers make and test atom-thick boron's unique domains July 17th, 2018

Nano-kirigami: 'Paper-cut' provides model for 3D intelligent nanofabrication July 13th, 2018

A refined magnetic sense: Algorithms and hardware developed in the context of quantum computation are shown to be useful for quantum-enhanced sensing of magnetic fields July 2nd, 2018

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



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project