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Diamond synthetic graphene technology successfully
Release time: 2017-1-16
You've most likely heard of all the great things about graphene, such as excellent strength, excellent electrical properties, thermal conductivity, and electron mobility. These different characteristics have made graphene have a huge impact in the fields of touch screens, semiconductors, solar cells, super capacitors and other fields.
However, high-performance graphene can be produced only when the raw materials are pure. The production of high-performance graphene is very challenging, but the Argonne National Laboratory under the US Department of Energy has found a possible solution-ultra-nanodiamond.
Anirudha Sumant is a materials scientist leading the Argonne National Laboratory. They are currently working with the University of California, Riverside to use graphene synthesized from ultra-nano diamond (UNCD) as a substrate. This synthesis method can ensure the removal of most impurities.
The first author of the article, Diana Berman, said: "When I first saw it through a scanning electron microscope, I was surprised to find that the graphene made in this way was complete and beautiful. I have been making graphene in different ways, but I have never seen such a good shape. "
This synthesis method can synthesize graphene at a lower temperature, which saves more time than the method of synthesizing graphene with silicon carbide (now widely used). The price of three or four layers of silicon carbide crystals is close to $ 1,200, and the cost price of UNCD is less than $ 500, which has higher economic benefits.
Team members at Argonne Laboratories said they had obtained a total of three patents. They are currently cooperating with the Swedish Institute of Space Physics and the European Space Agency to develop graphene-coated probes for the Jupiter Ice Moon Probe (JUICE) program. Argonne's research team is currently developing graphene probes for biosensors for researchers at the University of North Carolina.
Researchers have published their research results in Nature Communications, and of course, laboratory researchers will continue to optimize this method of graphene manufacturing.
Previously, Japanese researchers have improved the method of making graphene from silicon carbide. Although higher quality graphene can be obtained, there is no way to reduce the cost.

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