Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Ultrasonic Waves Applied in Production of Graphene Nanosheets

Abstract:
Graphene oxide nanosheets were produced through a simple, fast and economical method by Iranian researchers from Ferdowsi University of Mashhad.

Ultrasonic Waves Applied in Production of Graphene Nanosheets

Tehran, Iran | Posted on August 20th, 2014

Applied properties of these nanosheets are much higher than those of nanosheets produced through usual methods in previous studies.

Graphene oxide has numerous applications in different industries such as electronic pieces, fuel cells, energy storage, and photocatalytic activities. It has been tried in this research to present a simple method for the production of this valuable nanostructure without the need for difficult laboratorial conditions.

In this research, graphene oxide nanosheets were produced through chemical process (Hummer's method) by using ultrasonic waves with low intensity. The main advantage of the proposed method is the shorter period of the process and also reduction in the process temperature. High quality products are obtained in 20 minutes at ambient temperature.

Chemical oxidation of graphite is the most common method to produce graphene oxide, which takes place in the presence of potassium permanganate and sulfuric acid. Process conditions, specifically long duration and high temperature, are the most important problems of this reaction. In addition to reducing time and temperature, the use of ultrasonic waves enables the production of a product with higher quality. In other words, graphene oxide produced through this method has fewer layers in comparison with other chemical methods. Moreover and according to the results, nanosheets produced by using ultrasonic waves have higher specific area.

Taking into account the increase in rate and decrease in temperature and time required for the production method and finally the increase in the product quality, it is expected that the product of this applied research can be used more frequently in other industries.

Results of the research have been published in Journal of Colloid and Interface Science, vol. 43, issue 1, 2014, pp. 19-25.

####

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

Graphene/ Graphite

Graphene holds up under high pressure: Used in filtration membranes, ultrathin material could help make desalination more productive April 24th, 2017

Two-dimensional melting of hard spheres experimentally unravelled after 60 years: First definitive experimental evidence of two-dimensional melting of hard spheres April 21st, 2017

News and information

Graphene holds up under high pressure: Used in filtration membranes, ultrathin material could help make desalination more productive April 24th, 2017

Nanoparticle vaccine shows potential as immunotherapy to fight multiple cancer types April 24th, 2017

Russian scientists create new system of concrete building structures: Sientists of Peter the Great Saint-Petersburg Polytechnic University developed a new construction technology April 24th, 2017

Discoveries

Graphene holds up under high pressure: Used in filtration membranes, ultrathin material could help make desalination more productive April 24th, 2017

Nanoparticle vaccine shows potential as immunotherapy to fight multiple cancer types April 24th, 2017

Russian scientists create new system of concrete building structures: Sientists of Peter the Great Saint-Petersburg Polytechnic University developed a new construction technology April 24th, 2017

Two-dimensional melting of hard spheres experimentally unravelled after 60 years: First definitive experimental evidence of two-dimensional melting of hard spheres April 21st, 2017

Announcements

Graphene holds up under high pressure: Used in filtration membranes, ultrathin material could help make desalination more productive April 24th, 2017

Nanoparticle vaccine shows potential as immunotherapy to fight multiple cancer types April 24th, 2017

Russian scientists create new system of concrete building structures: Sientists of Peter the Great Saint-Petersburg Polytechnic University developed a new construction technology April 24th, 2017

Two-dimensional melting of hard spheres experimentally unravelled after 60 years: First definitive experimental evidence of two-dimensional melting of hard spheres April 21st, 2017

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Graphene holds up under high pressure: Used in filtration membranes, ultrathin material could help make desalination more productive April 24th, 2017

Nanoparticle vaccine shows potential as immunotherapy to fight multiple cancer types April 24th, 2017

Russian scientists create new system of concrete building structures: Sientists of Peter the Great Saint-Petersburg Polytechnic University developed a new construction technology April 24th, 2017

Two-dimensional melting of hard spheres experimentally unravelled after 60 years: First definitive experimental evidence of two-dimensional melting of hard spheres April 21st, 2017

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