Rigid/Flexible Transparent Electronics Based on Separated Carbon Nanotube Thin-Film Transistors and Their Application in Display Electronics
2012
Transparent electronics has attracted numerous research efforts in recent years because of its promising commercial impact in a wide variety of areas such as transparent displays. High optical transparency as well as good electrical performance is required for transparent electronics. Preseparated, semiconducting enriched carbon nanotubes are excellent candidates for this purpose due to their excellent mobility, high percentage of semiconducting nanotubes, and room-temperature processing compatibility. Here we report fully transparent transistors based on separated carbon nanotube networks. Using a very thin metal layer together with indium tin oxide as source and drain contacts, excellent electrical performance as well as high transparency (∼82%) has been achieved (350–800 nm). Also, devices on flexible substrates are fabricated, and only a very small variation in electric characteristics is observed during a flexibility test. Furthermore, an organic light-emitting diode control circuit with significant ...
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