Fig. 14

Flexible CNT-TFTs and integrated circuits fabricated using a roll-to-roll gravure printing process. a Left: schematics illustrating printing process for the fabrication of CNT-TFTs. Upper right: photograph of roll-to-roll printed 13.56 MHz RFID tags. Lower right: photograph of the gravure printer system. Reproduced from ref. [62]. b Optical picture of the printed CNT-TFTs in the 1-bit RFID tag and SEM images of the various components in the transistor after printing. Reproduced from ref. [60]