Silicon has been the material of choice for the semiconductors that power our electronic devices for decades, but gradually the physical limits of silicon are being reached. Manufacturers and designers are wondering how long Moore's Law can take.
READING NOW Yes, the board: The world’s first electric wood transistor has finally been invented
Wood transistor developed
Researchers from Linköping University in Sweden and the KTH Royal Institute of Technology recently unveiled the world’s first electrical transistor made from conductive wood. While it may not perform as well as modern silicon transistors, it could theoretically help in certain areas. Isak Engquist, who took part in the research in the press release, said, “We found something unprecedented. Yes, the wood transistor is slow and cumbersome, but it works and has huge development potential.”
It runs at 1Hz
The resulting wooden transistor operates at 1Hz, not even that much. While it closes in about a second, it takes more than five seconds to open, which the researchers find impressive for a 1mm transistor channel. Also, the photos show that the transistor is several centimeters in diameter. For comparison, companies like TSMC currently produce 3nm semiconductors for devices with frequencies measured in MHz and GHz.
The research for the creation of the wood transistor could also help develop other sustainable solutions such as bioelectronics and plant-based electronics. Also, wood transistors can tolerate higher currents than typical organic transistors. On the other hand, the researchers state that they did this not for a specific application, but simply to show that they can do it.
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