Researchers from Linköping University and the KTH Royal Institute of Technology have developed the first wooden electrical transistor in history, which represents a significant improvement in the effectiveness and sustainability of the field.
According to a press release by organizations on Thursday, “We have established a novel principle. Isak Engquist, senior associate professor at Linköping University’s Laboratory for Organic Electronics, acknowledges that the wood transistor is slow and large, but that it also works and has enormous potential for advancement.”
Previous attempts to create wooden transistors by scientists only resulted in versions that could regulate ion transport. Even worse, the transistor stopped working as soon as the ions were depleted.
The new transistor, on the other hand, can function and regulate electricity flow indefinitely. This is in part due to the balsa wood used to construct the new device; the technology demanded wood with uniform grain throughout.
The lignin was removed from the wood, leaving only long cellulose fibers with channels where the lignin had previously been. An electrically conductive wood material was created by filling these channels with PEDOT: PSS, conductive plastic, or polymer.
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