Polymer functionalized carbon nanotubes for sensor application

Narasimha Harindra Vedala, Young C. Choi, Xiangyang Zhou, Gene Kim, WonBong Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Surface modification of carbon nanotubes with polyvinyl alcohol (PVOH) showed detection for humidity variation implying a possible application as a nanoscale humidity sensor. Wettability studies on single-wall, Y junction single wall and multiwall carbon nanotubes revealed that these nanotubes tend to become highly hydrophilic surfaces by this functionalisation. From the raman analysis it was determined that the majority of the nanotubes in our Y-junction single wall nanotubes were semiconducting in nature. The conductivity studies revealed that the Y junction nanotubes with PVOH functionalisation show large change in conductivity for varying relative humidity (RH). We propose a possible charge transport mechanism in these functionalized nanotubes.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium Proceedings
Pages283-289
Number of pages7
Volume858
StatePublished - Dec 1 2004
Externally publishedYes
Event2004 MRS Fall Meeting - Boston, MA, United States
Duration: Nov 29 2004Dec 3 2004

Other

Other2004 MRS Fall Meeting
CountryUnited States
CityBoston, MA
Period11/29/0412/3/04

Fingerprint

Carbon Nanotubes
Nanotubes
Carbon nanotubes
Polymers
Sensors
Polyvinyl Alcohol
Polyvinyl alcohols
Atmospheric humidity
Humidity sensors
Wetting
Surface treatment
Charge transfer

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Vedala, N. H., Choi, Y. C., Zhou, X., Kim, G., & Choi, W. (2004). Polymer functionalized carbon nanotubes for sensor application. In Materials Research Society Symposium Proceedings (Vol. 858, pp. 283-289)

Polymer functionalized carbon nanotubes for sensor application. / Vedala, Narasimha Harindra; Choi, Young C.; Zhou, Xiangyang; Kim, Gene; Choi, WonBong.

Materials Research Society Symposium Proceedings. Vol. 858 2004. p. 283-289.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Vedala, NH, Choi, YC, Zhou, X, Kim, G & Choi, W 2004, Polymer functionalized carbon nanotubes for sensor application. in Materials Research Society Symposium Proceedings. vol. 858, pp. 283-289, 2004 MRS Fall Meeting, Boston, MA, United States, 11/29/04.
Vedala NH, Choi YC, Zhou X, Kim G, Choi W. Polymer functionalized carbon nanotubes for sensor application. In Materials Research Society Symposium Proceedings. Vol. 858. 2004. p. 283-289
Vedala, Narasimha Harindra ; Choi, Young C. ; Zhou, Xiangyang ; Kim, Gene ; Choi, WonBong. / Polymer functionalized carbon nanotubes for sensor application. Materials Research Society Symposium Proceedings. Vol. 858 2004. pp. 283-289
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