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Organic Power Electronics: Transistor Operation in the kA/cm2 Regime
Markus P Klinger1, Axel Fischer1, Felix Kaschura1,2
1Dresden Integrated Center for Applied Physics and Photonic Materials, Technische Universität Dresden, Nöthnitzer Str. 61, 01187, Dresden, Germany.
Scientific Reports
|March 18, 2017
Summary
Organic permeable-base transistors (OPBTs) overcome low mobility issues, achieving high current densities and fast switching speeds for organic power electronics. This breakthrough enables flexible electronics without complex high-resolution structuring.
Area of Science:
- Organic electronics
- Semiconductor device physics
Background:
- Organic thin-film transistors (OTFTs) offer flexibility but are limited by low charge carrier mobilities and large channel lengths due to processing constraints.
- Hopping transport in organic semiconductors restricts device performance, hindering commercial adoption.
Purpose of the Study:
- To introduce a novel organic permeable-base transistor (OPBT) architecture.
- To demonstrate high performance in organic transistors using simple, low-cost processing methods.
Main Methods:
- Fabrication of OPBT devices utilizing a permeable-base structure.
- Characterization of device performance, including current density and switching speed.
Main Results:
- Achieved current densities exceeding 1 kA cm-2.
- Demonstrated switching speeds approaching 100 MHz.
- Identified an effective mobility of 0.06 cm2 V-1 s-1, indicating significant potential for improvement with optimized materials.
Conclusions:
- The OPBT architecture enables high-performance organic electronics with simple processing.
- This technology opens avenues for organic power electronics and flexible device applications.
- Further advancements are anticipated with the development of materials specifically tailored for the OPBT geometry.
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