Stable Doping of Carbon Nanotubes via Molecular Self Assembly

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dc.contributor.ISNI0000 0003 5287 0481 (Zakhidov, AA)
dc.contributor.authorLee, B.en_US
dc.contributor.authorChen, Y.en_US
dc.contributor.authorCook, Alexen_US
dc.contributor.authorZakhidov, Anvar A.en_US
dc.contributor.authorPodzorov, V.en_US
dc.contributor.utdAuthorZakhidov, Anvar A.en_US
dc.date.accessioned2015-01-07T19:44:37Z
dc.date.available2015-01-07T19:44:37Z
dc.date.created2014-10-13en_US
dc.date.issued2014-10-13en_US
dc.description.abstractWe report a novel method for stable doping of carbon nanotubes (CNT) based on methods of molecular self assembly. A conformal growth of a self-assembled monolayer of fluoroalkyl tri-chloro-silane (FTS) at CNT surfaces results in a strong increase of the sheet conductivity of CNT electrodes by 60-300%, depending on the CNT chirality and composition. The charge carrier mobility of undoped partially aligned CNT films was independently estimated in a field-effect transistor geometry (~100 cm² V⁻¹ s⁻¹). The hole density induced by the FTS monolayer in CNT sheets is estimated to be similar to 1.8 x 10¹⁴ cm⁻². We also show that FTS doping of CNT anodes greatly improves the performance of organic solar cells. This large and stable doping effect, easily achieved in large area samples, makes this approach very attractive for applications of CNTs in transparent and flexible electronics.en_US
dc.description.sponsorshipUS National Science Foundation (Grant no. NSF-DMR-0843985)en_US
dc.identifier.bibliographicCitationLee, B., Y. Chen, A. Cook, A. Zakhidov, et al. 2014. "Stable doping of carbon nanotubes via molecular self assembly." Journal of Applied Physics 116(144503): 1-5.en_US
dc.identifier.issn0021-8979en_US
dc.identifier.issue14en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/4245
dc.identifier.volume116en_US
dc.relation.urihttp://dx.doi.org/10.1063/1.4897550
dc.rights©2014 AIP Publishing LLCen_US
dc.sourceJournal of Applied Physics
dc.subjectCarbon nanotubes (CNT)en_US
dc.subjectFluoroalkyl tri-chloro-silane (FTS)en_US
dc.subjectSemiconductor dopingen_US
dc.subjectElectric conductivityen_US
dc.titleStable Doping of Carbon Nanotubes via Molecular Self Assemblyen_US
dc.type.genreArticleen_US

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