Journal
ACS NANO
Volume 4, Issue 11, Pages 6998-7004Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn102175h
Keywords
carbon nanotube; doping; stability; sheet resistance; transmittance; conductivity
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Funding
- MEST [R31 2008 000 10029 0]
- Ministry of Knowledge Economy (MKE) [10031734]
- NRF through MEST in Korea [2010-00429]
- Seoul Science Fellowship
- Korea Evaluation Institute of Industrial Technology (KEIT) [10031734] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-00429] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We propose bis(trifluromethanesulfonyl)imide [(CF3SO2)(2)N](-) (TFSI) as a transparent strong electron withdrawing p-type dopant in carbon nanotubes(CNTs) The conventional p-dopant, AuCl3, has several, drawbacks, such as hygroscopic effect, formation of Au clusters, decrease in transmittance, and high cost In spite of the significant increase in conductivity TFSI is converted from bis(trifluoromethanesulfonyl)amine (TFSA) by 1 accepting electrons from CNTs, subsequently losing a proton as a characteristic of a Bronsted acid, and has an inductive effect from atoms with high electronegativity, such as halogen, oxygen, and nitrogen TFSI produced a, similar improvement in conductivity to AuCl3,,while maintaining high thermal stability, and no appreciable change in transmittance with no cluster formation The effectiveness of TFSI was compared with that of other derivatives
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