In the average person's home, soybean oil is used to cook, but in the scientist's laboratory, soy oil, an ordinary cooking product, has become a raw material for high-tech products! According to the Australian News Network, a group of Australian scientists has made a breakthrough in the study of graphene production methods! They used inexpensive soybean oil as a raw material to produce a graphene, a nanomaterial called "black gold." (Graphene). In 2004, man discovered that the world’s thinnest, most intense, and most conductive and heat-conductive nanomaterial, graphene, is called “black gold†and is “the king of new materialsâ€. It has only one atomic layer thickness. Can be used in computers, solar panels, sensors and medical equipment and many other aspects. Scientists predict that graphene is very likely to set off a new disruptive new technology and new industrial revolution. At present, the production method of graphene is very expensive. Many methods of making such materials require high vacuum conditions and expensive production of raw materials, hindering the commercial mass production of graphene. This breakthrough in innovation by Australian scientists may greatly reduce production costs. On January 31, the research results have been published in the academic magazine Nature Communications. Dr. Han Zhaojun, a member of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia, said that this method can use low-cost raw materials such as vegetable oil, such as heating soybean oil in a tube furnace for about 30 minutes. Soybean oil will Decomposes into carbon structural units on a nickel-made metal foil, and then rapidly cools and forms a graphene film on the surface of the metal foil. Compared with the graphene obtained by the conventional chemical deposition method, the graphene obtained by the new method also has the advantages of high conductivity and the like. The new method can also control the thickness of the graphene film. Graphene from 1 to 3 layers to 30 layers or more can be obtained depending on the demand. In addition to soybean oil, the team tried to use other types of oils or even waste oils, such as grilling or cooking the remaining oil, and found that it could also be converted into graphene. The Chinese-born doctor said that the new method may reduce production costs to one-tenth. At present, the Australian Commonwealth Scientific and Industrial Research Organization is studying how to use graphene membranes to increase the efficiency of water filters, and use this material to replace the precious metals in solar panels, such as gold and platinum. Prof. David Officer, a graphene expert, said that the use of soybean oil, a renewable resource, is a major step forward in the production of graphene, and it will attract great attention and potential worldwide. However, he also stated that the current question is whether it can be used to commercialize this production process on a large scale. This is a problem that scientists all over the world are trying to overcome. At present, the largest graphene film that people can produce is only a credit card.
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