Directed assembly of multiplexed single chirality carbon nanotube devices

Herein, we present the fabrication of multiplexed single-walled carbon nanotube (SWCNT) devices, where selected chiralities were separately immobilized on one chip with single-tube precision. Each chirality was subsequently electrically measured individually. Specifically, (6,5) and (7,5) SWCNT species were isolated via aqueous two-phase polymer systems, after which dielectrophoresis was used to precisely control the placement of each chirality, along with a metallic species, separately on prepatterned electrodes on a single chip.

Automated summary

This study demonstrates the fabrication of multiplexed single-walled carbon nanotube (SWCNT) devices with single-tube precision, where selected chiralities are separately immobilized and electrically measured. Through aqueous two-phase polymer systems and dielectrophoresis, (6,5) and (7,5) SWCNT species were isolated and precisely controlled for placement on prepatterned electrodes on a single chip.