Table 1.
Comparison of performance of proposed modified electrode in RhB detection.
| Modified Electrode | Detection Technique | LOD (µM) | Linear Range (µM) | pH | References |
|---|---|---|---|---|---|
| MnO2NRs-ERGO/GCE | SDLSV | 2.87 | 9.58–479; 479–9580 |
6 | [31] |
| Cu@CS/GCE | DPV | 0.1 | 0.3–30 | 6.5 | [32] |
| MWCNT/CPE | DPV | 0.02 | 0.1–15 | 3 | [33] |
| MWCNT-PEI/GCE | SDLSV | 0.006 | 0.01–10 | 6.3 | [34] |
| Nd-MOF/GCE | DPV | 0.0036 | 0.08–2.0; 2.0–4.0 |
6 | [35] |
| GS/GCE | DPV | 0.0015 | 0.005–0.12 | 6.5 | [36] |
| MWCNT-COOH/IL/PGE | DPV | 0.001 | 0.005–2.0; 2.0–60.0 |
5 | [37] |
| Ag-3/ZnO/SPCE | DPV | 0.0008 | 0.06–12.11 | 7 | This work |
Abbreviations: MWCNT, multi-walled carbon nanotubes; IL, ionic liquid; PGE, pencil graphite electrode; Nd, neodymium; MOF, metal-organic framework; GCE, glassy carbon electrode; ERGO, electro-reduced graphene oxide; SDLSV, second-order derivative linear scan voltammetry; PEI, polyethylenimine; GS, graphene nanosheets; CPE, carbon paste electrode; CS, carbon sphere.