Journal
ACS NANO
Volume 2, Issue 12, Pages 2526-2530Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn800706v
Keywords
Single walled carbon nanotube (SWNT); field effect transistors (FETs); ambipolar; polystyrene nanospheres
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Funding
- EC
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We have fabricated single-walled carbon nanotube (SWNT) field effect transistors (FETs) with molybdenum source and drain contacts. Normally, these devices operate only as p-channel transistors, however, after polystyrene latex nanospheres were attached to the nanotubes close to the contacts, they changed to ambipolar operation. This strategy provides a simple method to modify the electrical behavior of unipolar SWNT-FETs by influencing the gate-channel electric field distribution and offset charge, so enabling complementary circuits to be fabricated.
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