Abstract
Towards the ultra-scaled 3 nm technology node and beyond, carbon nanotube (CNT) has been projected as one potential substitute for the semiconducting Si, because of its small energy gaps, atomic precise interface, and high charge mobility. In particular, CNT arrays, precisely assembled on DNA templates, display uniformly prescribed inter-CNT pitches down to 10 nm, which balances the competing needs between high on-state performance and fast on/off switching. However, till now, the functionality of bio-templated CNT electronics has been limited to single transistor, with critical contact pitch of several hundred nanometers. It remains less explored to perform complex logic computations using the ultra-scaled bio-templated transistors. By wiring multiple individual CNT transistors into one device, we demonstrated performing Boolean logic gates within the bio-templated electronics. These bio-templated transistors could be further scaled to small physical dimensions, as well as implemented with fast on/off switching characteristics. Our works suggest the potentials of building complex energy-efficient circuits from the bio-templated assembly of CNTs.
Published Version
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