Swedish researchers create wooden transistor. Bigger and slower but much more environmentally friendly.

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Swedish researchers create wooden transistor

Bigger and slower but much more environmentally friendly

Foto: Thor Balkhed

Researchers at Linköping University and KTH have developed a transistor entirely made of wood. Unlike the traditional silicon transistors we use today, which are only a few nanometers in size and have clock frequencies in the hundreds of gigahertz, the wooden transistor developed by the researchers is a few millimeters in size and has a clock frequency that can be measured in kilohertz.

"We have demonstrated a principle that no one else has done before. Although the wooden transistor is slow and bulky, it works and has great potential for development," says Isak Engquist, associate professor at the Laboratory of Organic Electronics at Linköping University.

Attempts have been made in the past to develop wooden transistors, but they have not worked continuously. The transistor developed by the researchers is made of balsa wood and should be able to function continuously and regulate electricity without deteriorating.

It is unclear exactly what the wooden transistor will be used for. It may be used to regulate electronic plants, known as E-plants, which is also an area of research at Linköping University.

liu.se

Science,

Linköping University, KTH, transistor, wood, E-plants