Salt used for nanofabrication




Researchers have used ordinary table salt to produce. Nanostructures of silicon Those structures that chemists widely thought to deliver could be deployed. Include better batteries

Silicon nanostructures were several applications in technology, but also can have. Include biomedical field For example, potato chips can be used to cool and thus to generate electricity. The material used Also in sensors and optics the material could play a role in the human body and the porous material in the right place can deliver drugs. For versatility, the silicon nanostructures however widely produced and yet to be proved that hard. Chemists of the American Oregon State University have in common salt, however, a solution for the production were found .

The salt, also known as sodium chloride, is used as a sacrificial agent during the production. As the source for silicon is diatomaceous earth, which is rich in silicon are used. This is to a temperature of 801 degrees Celsius heated, whereby silicon nanostructures, either very porous silicon, exist. At this high temperature, the pores however easily disappear, but prevents salt. The salt, along with magnesium, is added, melts earlier than the silicon, and thereby absorbs the heat. The molten salt can be used again.

The porous silicon may be used as electrode material for batteries. Used in the first instance Due to the large surface of the nanomaterial would batteries have a capacity twice as large as regular batteries. The researchers believe that their manufacturing process can be scaled up to commercially viable production levels. In addition, they applied the process on a mixture of silicon and germanium, which could lead to composite materials that are of interest for the semiconductor industry.

Nanostructuren van silicium


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