| AA | Acetic acid |
| AC | Acetone |
| DMSO | Dimethylsulphoxide |
| DSC | Differential scanning calorimetry |
| FA | Formic acid |
| FT-IR | Fourier-transform infrared spectroscopy |
| PA6 | Polyamide-6 |
| PENG | Piezoelectric nanogenerators |
| PVDF | Polyvinylidene fluoride |
| SE | Secondary electron |
| SEM | Scanning electron microscopy |
| TENG | Triboelectric nanogenerator |
| XPS | X-ray photoelectron spectroscopy |
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