A Compact Model for Organic Field-Effect Transistors With Improved Output Asymptotic Behaviors

作者：Kim Chang Hyun^*; Castro Carranza Alejandra; Estrada Magali; Cerdeira Antonio; Bonnassieux Yvan; Horowitz Gilles; Iniguez Benjamin

来源：IEEE Transactions on Electron Devices, 2013, 60(3): 1136-1141.

DOI：10.1109/TED.2013.2238676

• Asymptotic behaviors
• circuit simulation
• compact modeling
• organic field-effect transistors (OFETs)

Here, we propose an advanced compact analytical current-voltage model for organic field-effect transistors (OFETs), which can be incorporated into SPICE-type circuit simulators. We improved the output saturation behavior by introducing a new asymptotic function that also enables more precise low-voltage current and conductance fitting. A new expression for the subthreshold current was suggested to cover all operation regimes of OFETs. All model parameters were extracted by a systematic method, and the comparison of the modeled current with the experimental data on pentacene-based OFETs confirmed the validity of the model over a wide operation range.

• 出版日期2013-3