IMPROVEMENT OF PRESSURE AND COMPRESSIVE STRAIN SENSING USING PRISTINE CARBON NANOTUBES FOREST.
Carbon nanotubes (CNTs) are sought after as the alternative pressure and strainsensing element, as they have better electromechanical properties that persist to be predictable even at higher temperatures. Fundamental characteristics of the conventional semiconductor or metal based pressure/strain...
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| Format: | Thesis |
| Language: | English |
| Published: |
2016
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| Subjects: | |
| Online Access: | http://utpedia.utp.edu.my/21860/1/2016%20-%20ELECTRIC%20-%20IMPROVEMENT%20OF%20PRESSURE%20AND%20COMPRESSIVE%20STRAIN%20SENSING%20USING%20PRISTINE%20CARBON%20NANOTUBES%20FOREST%20-%20MUHAMMAD%20YASAR.pdf http://utpedia.utp.edu.my/21860/ |
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| Summary: | Carbon nanotubes (CNTs) are sought after as the alternative pressure and strainsensing
element, as they have better electromechanical properties that persist to be
predictable even at higher temperatures. Fundamental characteristics of the
conventional semiconductor or metal based pressure/strain sensors limits their
operation temperature to less than 100°C. Therefore the development of CNTs arrays
as pressure sensing element would require the synthesis of the pristine, vertically
aligned CNTs arrays with specific properties. Vertically aligned multi-walled carbon
nanotubes (MWCNTs) arrays were synthesized via floating catalyst chemical vapor
deposition (FCCVD) technique. Certain parameters of FCCVD method were
optimized in order to grow millimeter long, aligned and mechanically resilient CNTs
forest. Morphology of the synthesized MWCNTs arrays/forest were characterized by
scanning electron microscopy (SEM) and transmission electron microscopy (TEM). |
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