[AMD3/FMC5-4] Organic Complementary Inverters Based on Inverted Coplanar Thin-Film Transistors Employing Different Contact Functionalization | The 32nd International Display Workshops (IDW '25)

The 32nd International Display Workshops (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima

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The 32nd International Display Workshops (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima

[AMD3/FMC5-4]Organic Complementary Inverters Based on Inverted Coplanar Thin-Film Transistors Employing Different Contact Functionalization

*Sabrina Steffens¹, Hagen Klauk¹(1. Max Planck Institute for Solid State Research (Germany))

https://doi.org/10.36463/idw.2025.0191

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Keywords:

Complementary inverter,Bottom-contact TFTs,Contact functionalization,Flexible substrate,PhC2-BQQDI

Organic complementary inverters based on inverted coplanar organic TFTs employing two vacuum-deposited small-molecule semiconductors were fabricated on flexible substrates. The source and drain contacts of the TFTs were functionalized with pentafluorobenzenethiol (PFBT) or 4-(methylsulfanyl)-thiophenol (MeSTP). For the optimum combination of materials, the inverters have characteristic signal-delay time constants below 2 µs at a supply voltage of 2 V.

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