Sensor | Detection potential/V | Detection Limit/uM | Ref. |
3D CuO nanowire arrays | 0.45 | 5.1 | [12] |
Nanoporous Au/CuO | 0.4 | 2.8 | [13] |
3D porous Ni foam | 0.45 | 2.2 | [14] |
CuO NWs | 0.55 | 2 | [15] |
Hierarchical CuO nanoflowers | 0.5 | 1.71 | [16] |
Porous CuO nanoflakes | 0.45 | 1.7 | This work |