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Title: Multimodal probing of oxygen and water interaction with metallic and semiconducting carbon nanotube networks under ultraviolet irradiation

Abstract

In this study, carbon nanotube (CNT) networks composed of semiconducting single wall nanotubes (s-SWNTs), metallic single wall nanotubes (m-SWNTs), and multiwall nanotubes (MWNTs) were exposed to O2 and H2O vapor in the dark and under UV irradiation. Changes in film resistance and mass were measured in situ. In the dark, resistance of metallic nanotube networks increases in the presence of O2 and H2O, whereas resistance of s-SWNT networks decreases. We find that UV irradiation increases the sensitivity of CNT networks to O2 and H2O by more than an order of magnitude. Under UV irradiation, the resistance of metallic nanotube networks decreases in the presence of O2 and H2O likely through the generation of free charge carriers. UV irradiation increases the gas/vapor sensitivity of s-SWNT networks by nearly a factor of 2 compared to metallic nanotube networks. Networks of s-SWNTs show evidence of delamination from the gold-plated QCM crystal, possibly due to preferential adsorption of O2 and H2O on gold.

Authors:
 [1];  [2];  [3];  [2]
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); The Bredesen Center for Interdisciplinary Research and Graduate Education, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1255692
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Photonics for Energy
Additional Journal Information:
Journal Volume: 6; Journal Issue: 2; Journal ID: ISSN 1947-7988
Publisher:
SPIE
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; SWCNT; MWCNT; adsorption; UV; QCM; humidity

Citation Formats

Nelson, Anthony J., Ivanov, Ilia N., Muckley, Eric S., and Jacobs, Christopher B. Multimodal probing of oxygen and water interaction with metallic and semiconducting carbon nanotube networks under ultraviolet irradiation. United States: N. p., 2016. Web. doi:10.1117/1.JPE.6.025506.
Nelson, Anthony J., Ivanov, Ilia N., Muckley, Eric S., & Jacobs, Christopher B. Multimodal probing of oxygen and water interaction with metallic and semiconducting carbon nanotube networks under ultraviolet irradiation. United States. https://doi.org/10.1117/1.JPE.6.025506
Nelson, Anthony J., Ivanov, Ilia N., Muckley, Eric S., and Jacobs, Christopher B. 2016. "Multimodal probing of oxygen and water interaction with metallic and semiconducting carbon nanotube networks under ultraviolet irradiation". United States. https://doi.org/10.1117/1.JPE.6.025506. https://www.osti.gov/servlets/purl/1255692.
@article{osti_1255692,
title = {Multimodal probing of oxygen and water interaction with metallic and semiconducting carbon nanotube networks under ultraviolet irradiation},
author = {Nelson, Anthony J. and Ivanov, Ilia N. and Muckley, Eric S. and Jacobs, Christopher B.},
abstractNote = {In this study, carbon nanotube (CNT) networks composed of semiconducting single wall nanotubes (s-SWNTs), metallic single wall nanotubes (m-SWNTs), and multiwall nanotubes (MWNTs) were exposed to O2 and H2O vapor in the dark and under UV irradiation. Changes in film resistance and mass were measured in situ. In the dark, resistance of metallic nanotube networks increases in the presence of O2 and H2O, whereas resistance of s-SWNT networks decreases. We find that UV irradiation increases the sensitivity of CNT networks to O2 and H2O by more than an order of magnitude. Under UV irradiation, the resistance of metallic nanotube networks decreases in the presence of O2 and H2O likely through the generation of free charge carriers. UV irradiation increases the gas/vapor sensitivity of s-SWNT networks by nearly a factor of 2 compared to metallic nanotube networks. Networks of s-SWNTs show evidence of delamination from the gold-plated QCM crystal, possibly due to preferential adsorption of O2 and H2O on gold.},
doi = {10.1117/1.JPE.6.025506},
url = {https://www.osti.gov/biblio/1255692}, journal = {Journal of Photonics for Energy},
issn = {1947-7988},
number = 2,
volume = 6,
place = {United States},
year = {Wed Jun 01 00:00:00 EDT 2016},
month = {Wed Jun 01 00:00:00 EDT 2016}
}

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Cited by: 16 works
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Works referencing / citing this record:

A Fully Transparent, Flexible, Sensitive, and Visible-Blind Ultraviolet Sensor Based on Carbon Nanotube-Graphene Hybrid
journal, December 2018