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

News and information

Scientists announce the quest for high-index materials: All-dielectric nanophotonics: The quest for better materials and fabrication techniques July 22nd, 2017

Pulses of electrons manipulate nanomagnets and store information: Scientists use electron pulses to create and manipulate nanoscale magnetic excitations that can store data July 21st, 2017

The first light atomic nucleus with a second face July 20th, 2017

Semiliquid chains pulled out of a sea of microparticles July 20th, 2017

Graphene/ Graphite

Scientists produce dialysis membrane made from graphene: Material can filter nanometer-sized molecules at 10 to 100 times the rate of commercial membranes June 29th, 2017

Rice U. chemists create 3-D printed graphene foam June 22nd, 2017

Thought Leaders and Experts Join National Graphene Association Advisory Board June 16th, 2017

Seeing the invisible with a graphene-CMOS integrated device June 6th, 2017

Discoveries

Scientists announce the quest for high-index materials: All-dielectric nanophotonics: The quest for better materials and fabrication techniques July 22nd, 2017

Pulses of electrons manipulate nanomagnets and store information: Scientists use electron pulses to create and manipulate nanoscale magnetic excitations that can store data July 21st, 2017

The first light atomic nucleus with a second face July 20th, 2017

Semiliquid chains pulled out of a sea of microparticles July 20th, 2017

Announcements

Scientists announce the quest for high-index materials: All-dielectric nanophotonics: The quest for better materials and fabrication techniques July 22nd, 2017

Pulses of electrons manipulate nanomagnets and store information: Scientists use electron pulses to create and manipulate nanoscale magnetic excitations that can store data July 21st, 2017

The first light atomic nucleus with a second face July 20th, 2017

Semiliquid chains pulled out of a sea of microparticles July 20th, 2017

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

Scientists announce the quest for high-index materials: All-dielectric nanophotonics: The quest for better materials and fabrication techniques July 22nd, 2017

Pulses of electrons manipulate nanomagnets and store information: Scientists use electron pulses to create and manipulate nanoscale magnetic excitations that can store data July 21st, 2017

Probiotics: Novel biosynthetic tool to develop metallic nanoparticles: This research article by Dr. Nida Akhtar et al has been published in Recent Patents on Drug Delivery & Formulation, Volume 11, Issue 1, 2017 July 20th, 2017

Semiliquid chains pulled out of a sea of microparticles July 20th, 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