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| Sensing material | pH range | Sensitivity (mV/pH) | Reference |
|---|---|---|---|
| OPU/PP SF | 2.0–8.0 | 67.67 | (25) |
| 3D PANI | 4.0–9.0 | 69.33 | (63) |
| PANI and polypyrrole | 3.0–10.0 | 81.20 | (64) |
| PANI membrane | 5.4–8.6 | 58.57 | (2) |
| polyaniline | 3.9–10.1 | 62.40 | (12) |
| PANI-Gr | 2.0–13.0 | 61.91 | (26) |
| PANI/Graphite | 3.0–10.0 | 53.00 | (29) |
| MoS2-polyaniline | 4.0–8.0 | 70.40 | (29) |
| PANI-CFC | 4.0–12.0 | 60.90 | This work |
