Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Breakthrough in nanotechnology: A new use for atomically engineered gold

Jayan Thomas works on in his lab at the University of Central Florida in Orlando.

Credit: UCF
Jayan Thomas works on in his lab at the University of Central Florida in Orlando.

Credit: UCF

Abstract:
A University of Central Florida assistant professor has developed a new material using nanotechnology, which could help keep pilots and sensitive equipment safe from destructive lasers.

Breakthrough in nanotechnology: A new use for atomically engineered gold

Orlando, FL | Posted on August 29th, 2012

UCF Assistant Professor Jayan Thomas, in collaboration with Carnegie Mellon University Associate Professor Rongchao Jin chronicle their work in the July issue of the journal Nano Letters. (dx.doi.org/10.1021/nl301988v)

Thomas is working with gold nanoparticles and studying their properties when they are shrunk into a small size regime called nanoclusters. Nanoparticles are already microscopic in size, and a nanometer is about 1/80000 of the thickness of a single strand of human hair. Nanoclusters are on the small end and nanocrystals are on the larger end of the nanoregime. Nano clusters are so small that the laws of physics that govern the world people touch and smell aren't often observed.

"Nanoclusters occupy the intriguing quantum size regime between atoms and nanocrystals, and the synthesis of ultra-small, atomically precise metal nanoclusters is a challenging task," Thomas said.

Thomas and his team found that nanoclusters developed by adding atoms in a sequential manner could provide interesting optical properties. It turns out that the gold nanoclusters exhibit qualities that may make them suitable for creating surfaces that would diffuse laser beams of high energy. They appear to be much more effective than its big sister, gold nanocrystal which is the (nano) material used by artists to make medieval church window paintings.

So why does it matter?

Think of commercial pilots or fighter pilots. They use sunglasses or helmet shields to protect their eyes from the sun's light. If the glasses or helmet shield could be coated with nanoclusters tested in Thomas' lab at UCF, the shield could potentially diffuse high-energy beams of light, such as laser. Highly sensitive instruments needed for navigation and other applications could also be protected in case of an enemy attack using high energy laser beams.

"These results give me great pleasure since the technique we used to study the optical properties of these atomically precise particle is one invented by UCF Professors Eric VanStryland and David Hagan many years ago," Thomas said. "But the progression we've made is very exciting."

Because nanoclusters appear to have a better ability to diffuse high beams of energy, they are a promising area for future development. There is still plenty of applications to be explored using these very interesting atomically engineered materials. Until now, much research has been focused on the larger nanocrystal.

Thomas is also exploring the use of these particles in the polymer material used for 3D telepresence to make it more sensitive to light. If successful, it can take the current polymers a step closer to developing real time 3D telepresence.

3D-Telepresence provides a holographic illusion to a viewer who is present in another location by giving that person a 360-degree view (in 3D) of everything that's going on. It's a step beyond 3-D and is expected to revolutionize the way people see television and in how they participate in activities around the world. For example, by allowing a viewer to "walk around" a remote location as if in a virtual game, a surgeon could help execute a complicated medical procedure from thousands of miles away.

Others who contributed to the new material include: Reji Philip from the UCF's NanoScience Technology Center, Panit Chantharasupawong from UCF's College of Optics and Photonics, and Huifeng Qian from Department of Chemistry at the Carnegie Mellon University.

Thomas joined UCF in 2011 and is a part of the NanoScience Technology Center with a joint appointment in The College of Optics and Photonics and the Department of Material Science and Engineering in the College of Engineering. Previously he was at the University of Arizona in its College of Optical Sciences. He has several degrees including a Ph. D. in Chemistry/Material Science from Cochin University of Science and Technology in India. He's earned several awards and grants.

####

About University of Central Florida
UCF Stands For Opportunity -- The University of Central Florida is a metropolitan research university that ranks as the second largest in the nation with more than 59,000 students. UCF's first classes were offered in 1968. The university offers impressive academic and research environments that power the region's economic development. UCF's culture of opportunity is driven by our diversity, Orlando environment, history of entrepreneurship and our youth, relevance and energy.

For more information, please click here

Contacts:
Zenaida Kotala

407-823-6120

Copyright © University of Central Florida

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

Remote-control shoots laser at nano-gold to turn on cancer-killing immune cells April 20th, 2018

New qubit now works without breaks: A universal design for superconducting qubits has been created April 19th, 2018

Observing biological nanotransporters: Chemistry April 19th, 2018

Salt boosts creation of 2-D materials: Rice University scientists show how salt lowers reaction temperatures to make novel materials April 18th, 2018

Govt.-Legislation/Regulation/Funding/Policy

Remote-control shoots laser at nano-gold to turn on cancer-killing immune cells April 20th, 2018

Salt boosts creation of 2-D materials: Rice University scientists show how salt lowers reaction temperatures to make novel materials April 18th, 2018

Quantum shift shows itself in coupled light and matter: Rice University scientists corral, quantify subtle movement in condensed matter system April 16th, 2018

When superconductivity disappears in the core of a quantum tube: By replacing the electrons with ultra-cold atoms, a group of physicists has created a perfectly clean material, unveiling new states of matter at the quantum level April 16th, 2018

Discoveries

Remote-control shoots laser at nano-gold to turn on cancer-killing immune cells April 20th, 2018

New qubit now works without breaks: A universal design for superconducting qubits has been created April 19th, 2018

Observing biological nanotransporters: Chemistry April 19th, 2018

Salt boosts creation of 2-D materials: Rice University scientists show how salt lowers reaction temperatures to make novel materials April 18th, 2018

Materials/Metamaterials

Salt boosts creation of 2-D materials: Rice University scientists show how salt lowers reaction temperatures to make novel materials April 18th, 2018

Individual impurity atoms detectable in graphene April 18th, 2018

Psst! A whispering gallery for light boosts solar cells April 14th, 2018

Artificial intelligence accelerates discovery of metallic glass: Machine learning algorithms pinpoint new materials 200 times faster than previously possible April 13th, 2018

Announcements

Remote-control shoots laser at nano-gold to turn on cancer-killing immune cells April 20th, 2018

New qubit now works without breaks: A universal design for superconducting qubits has been created April 19th, 2018

Observing biological nanotransporters: Chemistry April 19th, 2018

Salt boosts creation of 2-D materials: Rice University scientists show how salt lowers reaction temperatures to make novel materials April 18th, 2018

Military

Quantum shift shows itself in coupled light and matter: Rice University scientists corral, quantify subtle movement in condensed matter system April 16th, 2018

New 4-D printer could reshape the world we live in March 20th, 2018

Imaging technique pulls plasmon data together: Rice University scientists' hyperspectral method analyzes many plasmonic nanoparticles in an instant March 16th, 2018

Flat gallium joins roster of new 2-D materials: Rice University, Indian Institute of Science introduce gallenene March 12th, 2018

Aerospace/Space

Lifeboat Foundation funds flying 3D-printed classroom cubesats with Perlan II April 16th, 2018

How do very small particles behave at very high temperatures? April 6th, 2018

Deep Space Industries to provide Comet satellite propulsion for BlackSky, LeoStella April 3rd, 2018

Piezomagnetic material changes magnetic properties when stretched March 22nd, 2018

Photonics/Optics/Lasers

Doing the nano-shimmy: New device modulates light and amplifies tiny signals April 12th, 2018

Phononic SEIRA -- enhancing light-molecule interactions via crystal lattice vibrations April 10th, 2018

High-speed and on-silicon-chip graphene blackbody emitters: Integrated light emitters for optical communications April 5th, 2018

Leti Silicon Photonics Design Kit Available in Synopsis OptoDesigner Suite: Kit Contains Design Rules and Building Blocks for Multi-Project Wafers And Custom Runs on Letiís Si310 Platform April 5th, 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