STTR Phase I: Development of High-Speed Infrared-Transparent Flexible Transistors Using Electronic-Grade Carbon Nanotube Solutions

Period of Performance: 01/01/2007 - 12/31/2007


Phase 1 STTR

Recipient Firm

Brewer Science Incorporated
Rolla, MO 65401
Principal Investigator
Firm POC

Research Institution

University of Massachusetts Lowell
1 University Ave.
Lowell, MA 01854
Institution POC


This Small Business Technology Transfer (STTR) Phase I research project aims to develop an innovative high speed IR-transparent flexible thin-film transistor (TFT) technology for application to conformal IR invisible electronics by using unique electronic-grade carbon nanotube (CNT) solutions that contain individually suspended ultrapure CNTs without any surfactant. With numerous simple solution-casting methods, ultrapure CNT films of various densities can be formed. Such films possess ultrahigh carrier mobility, great mechanical resilience, and superior IR transmittance. Meanwhile, the unique room-temperature solution-processable CNTs would enable mass production of large-area high-speed conformal integrated circuits on virtually any desired flexible substrate at low cost and high throughput without the need for special lithography equipment. In Phase I, a prototype flexible CNT-TFT will be fabricated for conducting technical feasibility investigation, and potential commercial feasibility will be assessed. The work in Phase II would concentrate on achieving large-area high-speed IR-invisible integrated circuits on flexible substrates