High-Performance All-Polymer Transistor Utilizing a Hygroscopic Insulator


  • We thank T. Mäkelä and S. Jussila for help with electrode fabrication. Financial support through the Finnish Technology Development Centre (Tekes) project MUOELE, and the Academy of Finland grant no 50575.


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An organic transistor is presented, showing a one-hundred-fold increase in current level at operating voltages around 1 V and excellent current modulation (see Figure) resulting from the ionic effects present in the hygroscopic insulator when operated in ambient atmosphere.