Transistor Performance

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Stanford Reference: 11-192 Abstract Stanford University and Samsung researchers have patented a new microfluidic-based platform that can rapidly fabricate and characterize Organic Thin Film Transistor (OTFT) arrays composed of solution-processable organic semiconducting polymers. Microfluidics offers numerous advantages for this high-throughput screening of OTFTs including the ability to: 1) rapidly handle and interface multiple solutions;  2) pattern solutes on substrates with micrometer-scale precision; and  3) reduce the scale of experimentation This method has been successfully tested to screen the performance of OTFT devices fabricated from PQTBTz-C12, a solution processable organic semi-conducting polymer, to extract empirical processing-property relationships and identify the optimal combination of solvent composition and substrate annealing temperature. Stage of Research: Proof-of-concept – Successfully applied platform to screen performance of OTFT devices fabricated from PQTBTz-C12 to extract empirical processing-property relationships and identify the optimal combination of solvent composition and substrate annealing temperature.  Applications Organic Thin Film Transistors (OTFTs) for light-emitting diodes (LED), radiofrequency devices, digital displays, photovoltaics, and sensors Advantages Based on new microfluidic-based platform Rapid fabrication and characterization of OTFT arrays More uniform processing enabling more consistent, high performance of OTFT