Increased Electrical Conductivity of Carbon Nanotube Fibers by Thermal and Voltage Annealing Article Swipe
Varun Shenoy Gangoli
,
Chris J. Barnett
,
James McGettrick
,
Alvin Orbaek White
,
Andrew R. Barron
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/c8010001
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/c8010001
We report the effect of annealing, both electrical and by applied voltage, on the electrical conductivity of fibers spun from carbon nanotubes (CNTs). Commercial CNT fibers were used as part of a larger goal to better understand the factors that go into making a better electrical conductor from CNT fibers. A study of thermal annealing in a vacuum up to 800 °C was performed on smaller fiber sections along with a separate analysis of voltage annealing up to 7 VDC; both exhibited a sweet spot in the process as determined by a combination of a two-point probe measurement with a nanoprobe, resonant Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS). Scaled-up tests were then performed in order to translate these results into bulk samples inside a tube furnace, with similar results that indicate the potential for an optimized method of achieving a better conductor sample made from CNT fibers. The results also help to determine the surface effects that need to be overcome in order to achieve this.
Related Topics
Concepts
Materials science
X-ray photoelectron spectroscopy
Raman spectroscopy
Carbon nanotube
Annealing (glass)
Conductor
Electrical resistivity and conductivity
Composite material
Conductivity
Thermal conductivity
Voltage
Electrical conductor
Nanotechnology
Chemical engineering
Optics
Electrical engineering
Chemistry
Engineering
Physics
Physical chemistry
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/c8010001
- https://www.mdpi.com/2311-5629/8/1/1/pdf?version=1640252296
- OA Status
- gold
- Cited By
- 5
- References
- 28
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4200121254
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4200121254Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/c8010001Digital Object Identifier
- Title
-
Increased Electrical Conductivity of Carbon Nanotube Fibers by Thermal and Voltage AnnealingWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-12-23Full publication date if available
- Authors
-
Varun Shenoy Gangoli, Chris J. Barnett, James McGettrick, Alvin Orbaek White, Andrew R. BarronList of authors in order
- Landing page
-
https://doi.org/10.3390/c8010001Publisher landing page
- PDF URL
-
https://www.mdpi.com/2311-5629/8/1/1/pdf?version=1640252296Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://www.mdpi.com/2311-5629/8/1/1/pdf?version=1640252296Direct OA link when available
- Concepts
-
Materials science, X-ray photoelectron spectroscopy, Raman spectroscopy, Carbon nanotube, Annealing (glass), Conductor, Electrical resistivity and conductivity, Composite material, Conductivity, Thermal conductivity, Voltage, Electrical conductor, Nanotechnology, Chemical engineering, Optics, Electrical engineering, Chemistry, Engineering, Physics, Physical chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
5Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2024: 1, 2023: 2, 2022: 1Per-year citation counts (last 5 years)
- References (count)
-
28Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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