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- ItemVertical organic permeable dual-base transistors for logic circuits([London] : Nature Publishing Group UK, 2020) Guo, Erjuan; Wu, Zhongbin; Darbandy, Ghader; Xing, Shen; Wang, Shu-Jen; Tahn, Alexander; Göbel, Michael; Kloes, Alexander; Leo, Karl; Kleemann, HansThe main advantage of organic transistors with dual gates/bases is that the threshold voltages can be set as a function of the applied second gate/base bias, which is crucial for the application in logic gates and integrated circuits. However, incorporating a dual gate/base structure into an ultra-short channel vertical architecture represents a substantial challenge. Here, we realize a device concept of vertical organic permeable dual-base transistors, where the dual base electrodes can be used to tune the threshold voltages and change the on-currents. The detailed operation mechanisms are investigated by calibrated TCAD simulations. Finally, power-efficient logic circuits, e.g. inverter, NAND/AND computation functions are demonstrated with one single device operating at supply voltages of <2.0 V. We believe that this work offers a compact and technologically simple hardware platform with excellent application potential for vertical-channel organic transistors in complex logic circuits.