Compact modeling of organic transistors with multi-finger contacts

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Al Ruzaiqi, Afra and Nikolov, Boyko and Chen, Lawrence R. and Gleskova, Helena (2019) Compact modeling of organic transistors with multi-finger contacts. In: IEEE International Conference on Flexible and Printable Sensors and Systems, 2019-07-07 - 2019-07-10.

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Abstract

Organic thin-film transistors (OTFTs) with multi-finger contacts based on dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thio-phene (DNTT) exhibit near-zero turn-on voltage, hysteresis-free behavior, and high transconductance of 30-80 μA at VDS = VGS = −2 V. [1] In addition, common-source amplifiers based on such transistors deliver voltage gain even when the supply voltage is limited to 5 V, making them attractive for flexible/wearable analog sensors. This paper presents the results of compact modeling, implemented in Matlab Simulink, applied to such transistors. The measured transistor transfer characteristics are used to extract the parameters for the semi-empirical model. The model was validated in 3 ways on 8 OTFTs with varied geometries and substrates (glass or PEN). The validation included calculations of (a) transistor output characteristics, (b) a.c. drain currents for 1 Hz sinusoidal gate voltages, and (c) output voltages of the common-source amplifier, and their comparison to the measured data.

ORCID iDs

Al Ruzaiqi, Afra, Nikolov, Boyko, Chen, Lawrence R. and Gleskova, Helena ORCID logoORCID: https://orcid.org/0000-0001-7195-9639;
  • Item type:Conference or Workshop Item(Paper)
    ID code:68866
    Dates:
    Date
    Event
    10 July 2019
    Published
    13 May 2019
    Accepted
    Notes:© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:16 Jul 2019 13:58
    Last modified:11 Nov 2024 16:58
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/68866
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