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Graphene spun into metre long fibres

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Posted in Science on 7th Dec, 2011 03:29 AM by APM

Nano-sized flakes of graphene oxide can be spun into graphene fibres several metres long, researchers in China have shown. The strong, flexible fibres, which can be tied in knots or woven into conductive mats, could be the key to deploying graphene in real-world devices such as flexible batteries and solar cells

 

When it comes to physical properties, graphene is remarkably well-rounded. This two-dimensional mesh of carbon atoms has the highest mechanical strength ever recorded, and also breaks records for its thermal and electrical conductivity. But harnessing graphene’s properties requires finding a way to turn these tiny 800-nanometre-wide flakes of carbon into macro-scale materials.

 

Zhen Xu and Chao Gao at Zhejiang University in Hangzhou, China, have achieved just that. They have used an industrial process called wet spinning to turn an aqueous solution of graphene oxide — a modified form of graphene that is easier to dissolve — into fibres that are tens of metres long. A final chemical reduction treatment turns the long strings of graphene oxide back into graphene.



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Comments

Author: Guest
Posted: 2013-09-07
+0
a5apKl Thank you ever so for you blog.Thanks Again. Will read on... Reply
Author: Guest
Posted: 2013-09-13
+0
GldN7O Looking forward to reading more. Great blog article.Really looking forward to read more. Keep writing. Reply
Author: Guest
Posted: 2013-09-24
+0
OzKv25 Fantastic blog.Much thanks again. Really Great. Reply
Author: Guest
Posted: 2013-10-15
+0
zQANRl Thanks again for the blog post.Thanks Again. Great. Reply
Author: Guest
Posted: 2016-05-07
+0
That’s a lot of sage, Jessica! Personally I find sage a bit too perfumey, and a little goes a long way…so I’m guessing the basil and the pecans helped make it a bit more subtle. The pasta looks so fresh and deil3ious&#82c0;and so close up, I feel like I can just take a pinch of it. Reply


 

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