1. Flexible Hybrid Electronic Systems Ananth Dodabalapur The University of Texas at Austin

5. Case I Electronic Paper Original Proposal (with organic transistor backplanes) –1996 (Bell Labs) First demonstration –2000/2001(Lucent/E- Ink) Commercial prototypes –Mid 2000

6. Case II - OFET based RFID First proposal (organic FET based RFID –1995 (Philips) Working prototypes –2005 to 2008 Commercial production –Beyond 2010

7. Hybrid Flexible System Design Communication –Wireless, wired Circuit design Semiconductor technology –Lumped silicon –Thin film semiconductors Materials Insulators, conductors Other components and devices –Sensors, Actuators, display elements, etc.. Fabrication –Roll-to-roll (RTR) or other

8. Thin-Film Semiconductors Organic and Polymer –Easiest to print –Proven compatibility with R2R –Mobilities limited to near 1 cm 2 /V-s* Carbon Nanotube films –Can possess higher mobilities (near 80 cm 2 /V-s) for L = 100 micron devices (Rogers et al., Nature 2008) –Issues of metallic nanotubes –Separation of semiconducting nanotubes yielded 0.5-0.6 cm 2 /V- s. (Bao et al, Science 2008) Inorganic Semiconductors/Nanowires –High mobilities with Indium oxide (Marks et al., Nature Materials 2006)

9. Mobilities of organic FETs (Single Crystal, Thin-film small molecule, and polymer) – Complied from various data

10. In 2 O 3 FETs (Marks et al., Northwestern) Ion assisted deposition Mobility > 120 cm 2 /V-s Room temperature process

11. Fabrication methods for Flexible Electronics Ink-jet printing Gravure Flexo Screen Printing Nano-imprinting Laser-based approaches Photolithography for R2R

12. Technical Themes for the Study Circuit and system design Device physics Inorganic and organic semiconductor materials for transistors Dielectrics and conductors Functional devices and materials (for sensors etc) Fabrication processes

13. Tasks

14. Timetable Nov. 08 Kick Off meeting (All panelists meet with sponsors and WTEC staff at NSF) Jan. 09 Baseline workshop at NSF (optional-- this surveys US research in the field) Feb. 09 Site visits in Asia Mar. 09 Site visits in Europe (optional) Apr. 09 Final Workshop at NSF July 09 Draft Final Report goal