Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Nanoprinting on Patterned Surfaces

http://dx.doi.org/10.1002/adma.201102834|J. Thomas et al., Adv. Mater., ; DOI: 10.1002/adma.201102834
http://dx.doi.org/10.1002/adma.201102834|J. Thomas et al., Adv. Mater., ; DOI: 10.1002/adma.201102834

Abstract:
Nanosized features can easily be printed accurately onto an already patterned surface, using a new technique called nanoimprinting by melt processing developed by US scientists.

Nanoprinting on Patterned Surfaces

Germany | Posted on October 21st, 2011

Commercial production of devices based on nanotechnology demands that tiny, complex components be fabricated on a mass scale, at low cost, and in few steps. Nanoimprint lithography (NIL) is a common tool that can be used to fabricate nanostructures and devices that are 1/80,000 of the thickness of a hair. This technique presses a hard mold into a soft high-molecular-weight polymer film at high temperature and pressure to create nanostructures. However, if the polymer used is highly viscous (flows slowly), as such polymers often are, the NIL fails as the polymer does not spread properly. In particular, this makes it difficult to use NIL for printing nanostructures onto an already patterned microstructured surface. Use of lower molecular-weight polymers that are less viscous results only in the film becoming brittle and cracking, which renders it unusable.

To overcome this issue, scientists at the University of Central Florida, Stanford University, and the University of Arizona, USA, have developed a new technique called nanoimprinting by melt processing (NIMP) in which they use a mixture of a low-molecular-weight polymer and a plasticizer. The team, led by Professor Jayan Thomas, found that this composite could be used successfully at low temperatures and pressures, without the need for any expensive equipment. Their clever use of this mixture reduced both the viscosity of the polymer and the brittleness/cracking of the resultant film. The scientists have used their new technique to accurately print large-area nanopatterns with varied feature sizes over underlying topographies, including onto and near micropillars.

Thomas and his colleagues believe that NIMP has many benefits for making nanophotonic and nanoelectronic device structures at low cost; this should have a significant impact on both the ongoing research in this area as well as the possible commercialization of such devices. They believe that their technique will benefit much of science and technology by allowing the production of more versatile nanostructures.

####

For more information, please click here

Copyright © Wiley-VCH Materials Science Journals

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

New nanomaterial maintains conductivity in three dimensions: International team seamlessly bonds CNTs and graphene September 5th, 2015

Multi-million pound project to use nanotechnology to improve safety September 4th, 2015

Magnetic wormhole connecting 2 regions of space created for the first time: The device could have applications in medicine, opening up ways to make MRIs more comfortable for patients September 4th, 2015

Tongfang Global and QD Vision Partner to Bring Wide Color Gamut to Global Television Lines: Color IQTM quantum dots help boost company’s focus on superior color reproduction September 3rd, 2015

Nanoelectronics

Turning clothing into information displays September 2nd, 2015

Phagraphene, a 'relative' of graphene, discovered September 2nd, 2015

Nanotechnology that will impact the Security & Defense sectors to be discussed at NanoSD2015 conference August 25th, 2015

'Quantum dot' technology may help light the future August 19th, 2015

Materials/Metamaterials

Magnetic wormhole connecting 2 regions of space created for the first time: The device could have applications in medicine, opening up ways to make MRIs more comfortable for patients September 4th, 2015

Sustainable nanotechnology center September 1st, 2015

Using ultrathin sheets to discover new class of wrapped shapes: UMass Amherst materials researchers describe a new regime of wrapped shapes August 31st, 2015

An engineered surface unsticks sticky water droplets August 31st, 2015

Announcements

New nanomaterial maintains conductivity in three dimensions: International team seamlessly bonds CNTs and graphene September 5th, 2015

Multi-million pound project to use nanotechnology to improve safety September 4th, 2015

Magnetic wormhole connecting 2 regions of space created for the first time: The device could have applications in medicine, opening up ways to make MRIs more comfortable for patients September 4th, 2015

Making fuel from light: Argonne research sheds light on photosynthesis and creation of solar fuel September 3rd, 2015

Photonics/Optics/Lasers

Reversible Writing with Light: Self-assembling nanoparticles take their cues from their surroundings September 3rd, 2015

A marine creature's magic trick explained: Crystal structures on the sea sapphire's back appear differently depending on the angle of reflection September 2nd, 2015

Scientists 'squeeze' light one particle at a time: A team of scientists have measured a bizarre effect in quantum physics, in which individual particles of light are said to have been 'squeezed' -- an achievement which at least one textbook had written off as hopeless September 1st, 2015

Nanotechnology that will impact the Security & Defense sectors to be discussed at NanoSD2015 conference August 25th, 2015

Printing/Lithography/Inkjet/Inks

Silk bio-ink could help advance tissue engineering with 3-D printers September 2nd, 2015

These microscopic fish are 3-D-printed to do more than swim: Researchers demonstrate a novel method to build microscopic robots with complex shapes and functionalities August 26th, 2015

New research may enhance display & LED lighting technology: Large-area integration of quantum dots and photonic crystals produce brighter and more efficient light August 9th, 2015

Spintronics: Molecules stabilizing magnetism: Organic molecules fixing the magnetic orientation of a cobalt surface/ building block for a compact and low-cost storage technology/ publication in Nature Materials July 25th, 2015

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