Fully Printed Separated Carbon Nanotube Thin Film Transistor Circuits and Its Application in Organic Light Emitting Diode Control

• Published in: Nano letters Vol. 11; no. 12; pp. 5301 - 5308
• Main Authors: Chen, Pochiang, Fu, Yue, Aminirad, Radnoosh, Wang, Chuan, Zhang, Jialu, Wang, Kang, Galatsis, Kosmas, Zhou, Chongwu
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 14.12.2011
• Subjects: Applied sciences; Carbon nanotubes; Circuits; Cross-disciplinary physics: materials science; rheology; Devices; Electronics; Exact sciences and technology; Materials science; Molecular electronics, nanoelectronics; Nanocrystalline materials; Nanoscale materials and structures: fabrication and characterization; Nanostructure; Nanotubes; Organic light emitting diodes; Physics; Semiconductor devices; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices; Single wall carbon nanotubes; Thin film transistors; Transistors; thin film transistors; printed electronics; fully printed carbon nanotube devices and circuits; organic light emitting diode; Separated semiconducting-enriched carbon nanotubes; display electronics; Semiconductor materials; Nanotube devices; Carbon nanotubes; Light emitting diodes; Thin film transistors; Carbon; AND circuit; Inks; Nanoelectronics; Silver; Microelectronic fabrication; Singlewalled nanotube; Organic light emitting diodes; Nanostructured materials
• ISSN: 1530-6984; 1530-6992; 1530-6992
• DOI: 10.1021/nl202765b

The advantages of printed electronics and semiconducting single-walled carbon nanotubes (SWCNTs) are combined for the first time for display electronics. Conductive silver ink and 98% semiconductive SWCNT solutions are used to print back-gated thin film transistors with high mobility, high on/off ratio, and high current carrying capacity. In addition, with printed polyethylenimine with LiClO4 as the gating material, fully printed top-gated devices have been made to work as excellent current switches for organic light emitting diodes (OLEDs). An OLED driving circuit composed of two top-gated fully printed transistors has been fabricated, and the successful control over external OLED is demonstrated. Our work demonstrates the significant potential of using printed carbon nanotube electronics for display backplane applications.