Abstract
The aligned zinc oxide (ZnO) nanotubes (NTs) thin film was grown on fluorine doped tin oxide (FTO) substrates by low temperature solution method and utilized as a smart working electrode for the fabrication of ethanolamine chemical sensor. The synthesized ZnO possessed well crystalline tubular morphology with typical hexagonal wurtzite phase. The aligned ZnO NTs thin film presented a good optical band gap of ∼3.31 eV which was nearly close to the bulk ZnO nanomaterials. The fabricated ethanolamine chemical sensor based on aligned ZnO NTs thin film electrode showed significantly high sensitivity of ∼37.4×10-4 mA mM-1 cm-2, good linearity of ∼0.05 mM-1 mM and the detection limit of ∼19.5 μM with correlation coefficient (R) of ∼0.9850.
| Original language | English |
|---|---|
| Pages (from-to) | 254-258 |
| Number of pages | 5 |
| Journal | Materials Letters |
| Volume | 106 |
| DOIs | |
| State | Published - 2013 |
Keywords
- Ethanolamine
- Sensitivity
- Sensors
- Surfaces
- ZnO nanotubes
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Engineering - Mechanical
- Physics & Astronomy
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