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Title: Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting

Abstract

We have constructed devices in which the interior of a single-walled carbon nanotube (SWCNT) field-effect transistor acts as a nanofluidic channel that connects two fluid reservoirs, permitting measurement of the electronic properties of the SWCNT as it is wetted by an analyte. Wetting of the inside of the SWCNT by water turns the transistor on, while wetting of the outside has little effect. These observations are consistent with theoretical simulations that show that internal water both generates a large dipole electric field, causing charge polarization of the tube and metal electrodes, and shifts the valance band of the SWCNT, while external water has little effect.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2];  [3];  [3];  [1]
  1. Arizona State University
  2. ORNL
  3. Columbia University
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1096274
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
ACS Nano
Additional Journal Information:
Journal Volume: 5; Journal Issue: 4; Journal ID: ISSN 1936-0851
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English

Citation Formats

Cao, Di, Pang, Pei, He, Jin, Luo, Tao, Park, Jae Hyun nmn, Krstic, Predrag S, Nuckolls, Colin, Tang, Jinyao, and Lindsay, Stuart. Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting. United States: N. p., 2011. Web. doi:10.1021/nn200251z.
Cao, Di, Pang, Pei, He, Jin, Luo, Tao, Park, Jae Hyun nmn, Krstic, Predrag S, Nuckolls, Colin, Tang, Jinyao, & Lindsay, Stuart. Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting. United States. https://doi.org/10.1021/nn200251z
Cao, Di, Pang, Pei, He, Jin, Luo, Tao, Park, Jae Hyun nmn, Krstic, Predrag S, Nuckolls, Colin, Tang, Jinyao, and Lindsay, Stuart. 2011. "Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting". United States. https://doi.org/10.1021/nn200251z.
@article{osti_1096274,
title = {Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting},
author = {Cao, Di and Pang, Pei and He, Jin and Luo, Tao and Park, Jae Hyun nmn and Krstic, Predrag S and Nuckolls, Colin and Tang, Jinyao and Lindsay, Stuart},
abstractNote = {We have constructed devices in which the interior of a single-walled carbon nanotube (SWCNT) field-effect transistor acts as a nanofluidic channel that connects two fluid reservoirs, permitting measurement of the electronic properties of the SWCNT as it is wetted by an analyte. Wetting of the inside of the SWCNT by water turns the transistor on, while wetting of the outside has little effect. These observations are consistent with theoretical simulations that show that internal water both generates a large dipole electric field, causing charge polarization of the tube and metal electrodes, and shifts the valance band of the SWCNT, while external water has little effect.},
doi = {10.1021/nn200251z},
url = {https://www.osti.gov/biblio/1096274}, journal = {ACS Nano},
issn = {1936-0851},
number = 4,
volume = 5,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 2011},
month = {Sat Jan 01 00:00:00 EST 2011}
}