Table 3.
The 15 most frequently used author keywords and KeyWords Plus.
| Author keywords | TP | % | KeyWords Plus | TP | % |
|---|---|---|---|---|---|
| Nanostructures | 32 | 3.4 | Nanoparticles | 114 | 4.7 |
| Chitosan | 25 | 2.6 | Growth | 109 | 4.5 |
| Carbon nanotubes | 22 | 2.3 | Films | 100 | 4.1 |
| Copper | 21 | 2.2 | Complexes | 86 | 3.6 |
| Electrocatalysis | 15 | 1.6 | Water | 77 | 3.2 |
| Biosensor | 13 | 1.4 | Particles | 72 | 3.0 |
| Luminescence | 13 | 1.4 | Nanowires | 69 | 2.9 |
| Magnetic properties | 13 | 1.4 | Design | 64 | 2.7 |
| Stability | 13 | 1.4 | Chemistry | 64 | 2.7 |
| Photocatalytic activity | 13 | 1.4 | Systems | 58 | 2.4 |
| Lyapunov functional | 13 | 1.4 | Crystal-structure | 55 | 2.3 |
| Linear matrix inequality (LMI) | 12 | 1.3 | Optical-properties | 54 | 2.2 |
| Titanium dioxide | 12 | 1.3 | Nanotubes | 53 | 2.2 |
| Hydrothermal synthesis | 12 | 1.3 | Polymers | 51 | 2.1 |
| N ligands | 12 | 1.3 | Oxidation | 49 | 2.0 |
N/A, not available; %, the percentage of frequency of a given keyword to the number of articles with keywords information.