Nanotechnology Now

Our NanoNews Digest Sponsors


Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Manganese Nano Oxides Show Self-repair Properties in New Study

Abstract:
Iranian researchers discovered new self-repair properties in manganese nano oxides during a study on the stability of these materials in media containing oxidants.

Manganese Nano Oxides Show Self-repair Properties in New Study

Tehran, Iran | Posted on July 1st, 2013

Manganese oxides were used to be known as instable materials in oxidative environments. Manganese nano oxides can be used as catalyst in water oxidation reaction to produce hydrogen as green fuel. The self-repair properties of these particles decrease the cost of the production of green fuel.

Dr. Mohammad Mehdi Najafpour, a member of the Scientific Board of Institute for Advanced Studies in Basic Sciences, elaborated on the research. "In order to obtain a catalyst with self-repair properties, we chose a type of manganese oxide that has a very reasonable price and is synthesized very easily. These materials lose their active sites after a while. In other words, they are damaged. By precisely studying the separated sites, we realized that the separated sites rejoin the surface of the catalyst through a self-repair process. I can say, the catalyst is repaired."

The catalyst with the ability to oxidize water used in this research is able to repair a part of its structure in case it is damaged. The both characteristics, that is water oxidization and self-repair, can be observed when the particles are at nanometirc scales. Otherwise, the both characteristics do not happen at the same time or take place too slowly.

The mechanism proposed by this research team suggests that manganese ions leave the surface of the oxides and enter into the solution. They turn into permanganate due to the presence of oxidants. Then, the ions react with manganese oxide once again after the consumption of oxidants, and they turn into manganese oxide again.

####

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 drop of water as a model for the interplay of adhesion and stiction June 30th, 2016

No need in supercomputers: Russian scientists suggest a PC to solve complex problems tens of times faster than with massive supercomputers June 30th, 2016

Surprising qualities of insulator ring surfaces: Surface phenomena in ring-shaped topological insulators are just as controllable as those in spheres made of the same material June 30th, 2016

How cancer cells spread and squeeze through tiny blood vessels (video) June 30th, 2016

Discoveries

A drop of water as a model for the interplay of adhesion and stiction June 30th, 2016

No need in supercomputers: Russian scientists suggest a PC to solve complex problems tens of times faster than with massive supercomputers June 30th, 2016

Surprising qualities of insulator ring surfaces: Surface phenomena in ring-shaped topological insulators are just as controllable as those in spheres made of the same material June 30th, 2016

How cancer cells spread and squeeze through tiny blood vessels (video) June 30th, 2016

Materials/Metamaterials

Superheroes are real: Ultrasensitive nonlinear metamaterials for data transfer June 25th, 2016

Coexistence of superconductivity and charge density waves observed June 23rd, 2016

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Soft decoupling of organic molecules on metal June 23rd, 2016

Announcements

A drop of water as a model for the interplay of adhesion and stiction June 30th, 2016

No need in supercomputers: Russian scientists suggest a PC to solve complex problems tens of times faster than with massive supercomputers June 30th, 2016

Surprising qualities of insulator ring surfaces: Surface phenomena in ring-shaped topological insulators are just as controllable as those in spheres made of the same material June 30th, 2016

How cancer cells spread and squeeze through tiny blood vessels (video) June 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







Car Brands
Buy website traffic