Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Laser-Assisted Synthesis of Graphene in Low-Temperature Liquid Media

Abstract:
Researchers from Tehran's Amirkabir University of Technology in a collaboration with their colleagues from Imam Khomeini International University in Qazvin succeeded in producing graphene by laser ablation in cold liquid media.

Laser-Assisted Synthesis of Graphene in Low-Temperature Liquid Media

Tehran, Iran | Posted on August 26th, 2012

Their proposed approach offers a better control over the type and quality of the resulting products as the involved laser processing is handled in a more facile manner.

The research addresses the fabrication of graphene by the utilization of neodymium:YAG laser in a liquid nitrogen medium. This simple scheme affords pure graphene without requiring any vacuum equipment, high temperature furnaces or long processing periods, all of which are costly. The proposed synthesis method is single-staged, fast, controllable and high-yielding in comparison with the conventional previous methods. To put it in a few words, the technique is based on the Nd:YAG laser shooting a graphite target inside a liquid medium at extremely low temperatures.

The mentioned cold medium can be liquid nitrogen, argon or helium thanks to which, laser irradiation parameters such as energy of the laser, pulsation repetition, pulse width, wavelength of the beam, etc. can conveniently be controlled.

A detailed report discussing the technical aspects of this research work has been published in Laser Physics Letters, volume 9, issue 7, pages 547 to 552. Furthermore, this technique has been patented provisionally with the USPTO under the number of 61640094.

####

For more information, please click here

Copyright © Fars News Agency

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

A nano-roundabout for light December 10th, 2016

Keeping electric car design on the right road: A closer look at the life-cycle impacts of lithium-ion batteries and proton exchange membrane fuel cells December 9th, 2016

Further improvement of qubit lifetime for quantum computers: New technique removes quasiparticles from superconducting quantum circuits December 9th, 2016

Scientists track chemical and structural evolution of catalytic nanoparticles in 3-D: Up-close, real-time, chemical-sensitive 3-D imaging offers clues for reducing cost/improving performance of catalysts for fuel-cell-powered vehicles and other applications December 8th, 2016

Graphene/ Graphite

Physicists decipher electronic properties of materials in work that may change transistors December 6th, 2016

Bumpy surfaces, graphene beat the heat in devices: Rice University theory shows way to enhance heat sinks in future microelectronics November 29th, 2016

Uncovering the secrets of friction on graphene: Sliding on flexible graphene surfaces has been uncharted territory until now November 23rd, 2016

2-D material a brittle surprise: Rice University researchers finds molybdenum diselenide not as strong as they thought November 14th, 2016

Discoveries

A nano-roundabout for light December 10th, 2016

Keeping electric car design on the right road: A closer look at the life-cycle impacts of lithium-ion batteries and proton exchange membrane fuel cells December 9th, 2016

Further improvement of qubit lifetime for quantum computers: New technique removes quasiparticles from superconducting quantum circuits December 9th, 2016

Scientists track chemical and structural evolution of catalytic nanoparticles in 3-D: Up-close, real-time, chemical-sensitive 3-D imaging offers clues for reducing cost/improving performance of catalysts for fuel-cell-powered vehicles and other applications December 8th, 2016

Announcements

A nano-roundabout for light December 10th, 2016

Keeping electric car design on the right road: A closer look at the life-cycle impacts of lithium-ion batteries and proton exchange membrane fuel cells December 9th, 2016

Further improvement of qubit lifetime for quantum computers: New technique removes quasiparticles from superconducting quantum circuits December 9th, 2016

Chemical trickery corrals 'hyperactive' metal-oxide cluster December 8th, 2016

Photonics/Optics/Lasers

A nano-roundabout for light December 10th, 2016

ANU invention to inspire new night-vision specs December 7th, 2016

Shape matters when light meets atom: Mapping the interaction of a single atom with a single photon may inform design of quantum devices December 4th, 2016

Controlled electron pulses November 30th, 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