Flexible electronics
SmartKem, the developer of printable organic semiconductor materials and ink formulations for flexible electronics, says its semiconductor materials have achieved performance “better than amorphous-silicon” in recent testing, achieving a TFT mobility rating higher than other traditional organic equivalents.
The testing was carried out by Britain’s National Printable Electronics Technology Centre (PETEC) by incorporating SmartKem’s semiconductors into flexible thin film transistor panels and assessed performance using a range of industry-standard test methods.
The device preparation was performed in ambient air indicating the stability of this material ink formulation.
The materials excelled in testing and achieved a significant increase in TFT mobility performance over many other commercially available organic equivalents, across a range of transistor geometries. For example, the average mobility across a range of devices at 30 µm channel length was recorded as 4.0 cm2/Vs. Even more impressive was the short channel length performance with a recorded mobility of 2.5 cm2/V at 4 µm.
SmartKem believes that the PETEC test results confirm these organic semiconductor materials are now aligned with the current and future performance requirements of printable transistors for the implementation of flexible drive electronics for display-based applications such as ePaper, HD-LCD and OLED.
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