Table 5. Comparison of the Analytical Performance of Various Micro- and Nanostructured Material Coated Electrodes toward the Detection of H2O2.
| detection
limit |
||||
|---|---|---|---|---|
| electrode material | sensitivity (μA μM–1 cm–2) | linear range (μM) | lower (μM) | ref |
| α-Fe2O3 microsnowflake | 7.16 | 100–5500 | 10 | (48) |
| MnO2 nanosheet/carbon foam | 54 × 10–3 | 2.5–2055 | 0.12 | (110) |
| Pt–TiO2/RGO | 40 | 100–22500 | (111) | |
| Mn3O4-MnCo2O4 | 0.1–1274.3 | 0.020 | (112) | |
| Co3O4–rGO | 1.14 × 103 | 15–675 | 2.4 | (113) |
| Fe3O4–Fe2O3 nanocomposites | 20.325 | 200–1800 | 200 | (114) |
| Fe3O4 nanoparticle | 5.7 × 10–3 | 1–2500 | 7.3 | (115) |
| Fe3O4/rGO | 387.6 | 1–20000 | 0.17 | (116) |
| MnFe2O4/rGO | 13.55 | 0.1–1 | 50 × 10–3 | (117) |
| CoFe2O4 nanoparticles | 0.99 × 10–3 | 2–1500 | 14.0 | (115) |
| CoFe2O4–chitosan nanocomposite | 3.3 × 10–6 | 30–8000 | 2.0 | (118) |
| NiFe2O4 nanoparticles | 0.74 × 10–3 | 2–1500 | 9.2 | (115) |
| NiFe2O4–chitosan nanocomposite | 79.29 × 10–3 | 300–1200 | 14.0 | (119) |
| CoFe2O4 hollow nanostructure | 17 × 10–3 | 10–1200 | 2.5 | (52) |
| ZnFe2O4/rGO | 621.64 | 25–10200 | 2.12 | (120) |
| pristine CuHCF | 1.81 × 10–2 | 2–10 | 2 | (121) |
| Cu2+-rich CuHCF | 3.17 × 10–2 | 0.5–35 | 0.5 | (121) |
| Co0.3Zn0.7Fe2O4 microspheres | 22.73 | 58–4120 | 58.8 | this work |
| Co0.3Zn0.7Fe2O4 nanoparticles | 5.42 | 29–11760 | 29.4 | this work |