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High-quality graphene created using soybean
These properties also enable thinner wire connections; providing extensive benefits for computers, solar panels, batteries, sensors and other devices.
http://energy.economictimes.indiatimes.com/news/renewable/high-quality-graphene-created-using-soybean/57186588
Melbourne: In a breakthrough, scientists have used the humble soybean to make the world's strongest material graphene commercially more viable.

Graphene is a carbon material that is one atom thick. Its thin composition and high conductivity means it is used in applications ranging from miniaturised electronics to biomedical devices.

These properties also enable thinner wire connections; providing extensive benefits for computers, solar panels, batteries, sensors and other devices.

Until now, the high cost of graphene production has been the major roadblock in its commercialisation.

Previously, graphene was grown in a highly-controlled environment with explosive compressed gases, requiring long hours of operation at high temperatures and extensive vacuum processing.

Scientists at Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia have developed a novel "GraphAir" technology which eliminates the need for such a highly-controlled environment.

The technology grows graphene film in ambient air with a natural precursor, making its production faster and simpler.

"This ambient-air process for graphene fabrication is fast, simple, safe, potentially scalable, and integration friendly," CSIRO scientist Zhao Jun Han, said.

"Our unique technology is expected to reduce the cost of graphene production and improve the uptake in new applications," Han said.

GraphAir transforms soybean oil - a renewable, natural material - into graphene films in a single step.

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High-quality graphene created using soybean

Melbourne: In a breakthrough, scientists have used the humble soybean to make the world's strongest material graphene commercially more viable.

Graphene is a carbon material that is one atom thick. Its thin composition and high conductivity means it is used in applications ranging from miniaturised electronics to biomedical devices.

These properties also enable thinner wire connections; providing extensive benefits for computers, solar panels, batteries, sensors and other devices.

Until now, the high cost of graphene production has been the major roadblock in its commercialisation.

Previously, graphene was grown in a highly-controlled environment with explosive compressed gases, requiring long hours of operation at high temperatures and extensive vacuum processing.

Scientists at Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia have developed a novel "GraphAir" technology which eliminates the need for such a highly-controlled environment.

The technology grows graphene film in ambient air with a natural precursor, making its production faster and simpler.

"This ambient-air process for graphene fabrication is fast, simple, safe, potentially scalable, and integration friendly," CSIRO scientist Zhao Jun Han, said.

"Our unique technology is expected to reduce the cost of graphene production and improve the uptake in new applications," Han said.

GraphAir transforms soybean oil - a renewable, natural material - into graphene films in a single step.

"Our GraphAir technology results in good and transformable graphene properties, comparable to graphene made by conventional methods," CSIRO scientist Dong Han Seo said.

With heat, soybean oil breaks down into a range of carbon building units that are essential for the synthesis of graphene.

The team also transformed other types of renewable and even waste oil, such as those leftover from barbecues or cooking, into graphene films.

"We can now recycle waste oils that would have otherwise been discarded and transform them into something useful," Seo said.

The potential applications of graphene include water filtration and purification, renewable energy, sensors, personalised healthcare and medicine, to name a few.

Graphene has excellent electronic, mechanical, thermal and optical properties as well. Its uses range from improving battery performance in energy devices, to cheaper solar panels.
The research was published in the journal Nature Communications.