Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > High-Efficiency Solid-State Lighting and Superconductor Research Receives Funding: Energy sciences flourish under DOE grant award

Abstract:
Lower-cost, higher-efficiency lighting and better superconducting materials could result from a pair of grants awarded to Los Alamos National Laboratory researchers.

High-Efficiency Solid-State Lighting and Superconductor Research Receives Funding: Energy sciences flourish under DOE grant award

LOS ALAMOS, NM | Posted on August 26th, 2009

The U.S. Department of Energy's Office of Science, Basic Energy Sciences, recently announced its commitment to fund two Single Investigator and Small Group Research projects at Los Alamos. Each project will be funded for up to three years.

The first project, led by Jennifer Hollingsworth and Han Htoon, will focus on "Giant Nanocrystal Quantum Dots: Controlling Charge Recombination Processes for High-Efficiency Solid-State Lighting." This scientific effort exploits novel nanomaterials—particles hundreds of times smaller than a grain of sand—that have the potential to convert electrical energy to light with 100 percent efficiency.

Although researchers have used nanocrystal quantum dots for light-emitting diodes (LEDs) in other efforts, the materials have serious drawbacks, such as blinking or flickering due to complex physical properties inherent to the materials. Due to the inherent flaws of conventional nanocrystal quantum dots, LEDs made from them have been limited to external quantum efficiencies (EQEs) of only about 2 percent.

Hollingsworth and Htoon have found a way to cover giant nanocrystal quantum dots with a shell of inorganic material that mitigates the inherent flaws of conventional nanocrystal quantum dots. Further development of the technology could result in significantly improved LED lighting systems that are highly efficient, reliable, and cost effective.

The other project, "Towards a Universal Description of Vortex Matter in Superconductors," focuses on understanding vortex physics in superconducting materials. This understanding could enhance the current-carrying capacity of superconductors, which are materials with the ability to conduct electrical current without resistance, generally at extremely cold temperatures.

Principal researcher Leonardo Civale is examining how nanosized imhomogeneities—tiny deviations from uniformity—in the lattice structure of superconducting materials can behave as "pinning centers," trapping current vortices and precluding motions that would dissipate energy and reduce the current-carrying capacity of the superconducting material. By exploring these phenomena in different materials across a broad spectrum of properties, Civale and colleagues expect to develop a unified picture of vortex matter that is valid for all superconductors.

"Both of these Los Alamos National Laboratory research projects illustrate how the Laboratory is using cutting-edge science to address problems of significant importance to the nation," said Terry Wallace, principal associate director for Science, Technology, and Engineering at Los Alamos.

####

About Los Alamos National Laboratory
Los Alamos National Laboratory, a multidisciplinary research institution engaged in strategic science on behalf of national security, is operated by Los Alamos National Security, LLC, a team composed of Bechtel National, the University of California, The Babcock & Wilcox Company, and the Washington Division of URS for the Department of Energy’s National Nuclear Security Administration.

Los Alamos enhances national security by ensuring the safety and reliability of the U.S. nuclear stockpile, developing technologies to reduce threats from weapons of mass destruction, and solving problems related to energy, environment, infrastructure, health, and global security concerns.

For more information, please click here

Contacts:
JAMES E. RICKMAN
505-665-9203

Copyright © Los Alamos National Laboratory

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

News and information

Discovery of the specific properties of graphite-based carbon materials February 6th, 2016

Study reveals how herpes virus tricks the immune system February 5th, 2016

Hepatitis virus-like particles as potential cancer treatment February 5th, 2016

Organic crystals allow creating flexible electronic devices: The researchers from the Faculty of Physics of the Moscow State University have grown organic crystals that allow creating flexible electronic devices February 5th, 2016

Researchers discover new phase of boron nitride and a new way to create pure c-BN February 5th, 2016

Display technology/LEDs/SS Lighting/OLEDs

Organic crystals allow creating flexible electronic devices: The researchers from the Faculty of Physics of the Moscow State University have grown organic crystals that allow creating flexible electronic devices February 5th, 2016

Researchers discover new phase of boron nitride and a new way to create pure c-BN February 5th, 2016

PEN Inc. Announces Strategy to Broaden Clarity Branded Products Business February 4th, 2016

Laboratories

Scientists guide gold nanoparticles to form 'diamond' superlattices: DNA scaffolds cage and coax nanoparticles into position to form crystalline arrangements that mimic the atomic structure of diamond February 4th, 2016

Polar vortices observed in ferroelectric: New state of matter holds promise for ultracompact data storage and processing February 4th, 2016

Putting silicon 'sawdust' in a graphene cage boosts battery performance: Approach could remove major obstacles to increasing the capacity of lithium-ion batteries January 30th, 2016

Govt.-Legislation/Regulation/Funding/Policy

Hepatitis virus-like particles as potential cancer treatment February 5th, 2016

Researchers discover new phase of boron nitride and a new way to create pure c-BN February 5th, 2016

Scientists guide gold nanoparticles to form 'diamond' superlattices: DNA scaffolds cage and coax nanoparticles into position to form crystalline arrangements that mimic the atomic structure of diamond February 4th, 2016

Polar vortices observed in ferroelectric: New state of matter holds promise for ultracompact data storage and processing February 4th, 2016

Chip Technology

Organic crystals allow creating flexible electronic devices: The researchers from the Faculty of Physics of the Moscow State University have grown organic crystals that allow creating flexible electronic devices February 5th, 2016

Scientists guide gold nanoparticles to form 'diamond' superlattices: DNA scaffolds cage and coax nanoparticles into position to form crystalline arrangements that mimic the atomic structure of diamond February 4th, 2016

Polar vortices observed in ferroelectric: New state of matter holds promise for ultracompact data storage and processing February 4th, 2016

Electrons and liquid helium advance understanding of zero-resistance: Study of electrons on liquid helium systems sheds light on zero-resistance phenomenon in semiconductors February 2nd, 2016

Announcements

Discovery of the specific properties of graphite-based carbon materials February 6th, 2016

Study reveals how herpes virus tricks the immune system February 5th, 2016

Hepatitis virus-like particles as potential cancer treatment February 5th, 2016

Organic crystals allow creating flexible electronic devices: The researchers from the Faculty of Physics of the Moscow State University have grown organic crystals that allow creating flexible electronic devices February 5th, 2016

Energy

February 4th, 2016

Putting silicon 'sawdust' in a graphene cage boosts battery performance: Approach could remove major obstacles to increasing the capacity of lithium-ion batteries January 30th, 2016

Simplifying solar cells with a new mix of materials: Berkeley Lab-led research team creates a high-efficiency device in 7 steps January 29th, 2016

Scientists provide new guideline for synthesis of fullerene electron acceptors January 28th, 2016

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

Hepatitis virus-like particles as potential cancer treatment February 5th, 2016

COD Grad Begins Postdoctoral Fellow at Harvard University: Marsela Jorgolli's Passion for Physics Has Led to a Decade of Academic Research That Continues at Harvard University as a Postdoctoral Fellow February 2nd, 2016

Identifying Commercial Success Stories from the National Nanotechnology Initiative: National Nanotechnology Coordination Office and White House Office of Science and Technology Policy Issue a Request for Information on NNI-Supported Success Stories February 2nd, 2016

New research uses nanotechnology to prevent preterm birth: March of Dimes honors abstract on prematurity at SMFM Annual Meeting February 2nd, 2016

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







Car Brands
Buy website traffic