Table 1 Comparison of effect of nature and composition of solvent on morphology and size of Fe3O4 particles and their catalytic properties
Product | Solvent (s) | Nano/micro structure (s) | Catalytic thermal decomposition of AP | kapp of catalytic reduction of 4-NP | ||||
|---|---|---|---|---|---|---|---|---|
Composition | Ratio | Morphology | Size | Final decomposition temperature (°C) | Temperature of maximum loss in mass percentage (°C) | Decrease in final decomposition temperature (°C) | ||
A | Ethylene glycol | 100% | Porous hollow sphere | 140 nm | 310 | 285 | 140 | 0.4206/min |
B | Deionised water: ethylene glycol | 1:1 | Microsphere | 415 nm | 345 | 329 | 105 | 0.3073/min |
C | Poly ethylene glycol | 100% | Micro rectangular platelet | ~12 µm | 390 | 373 | 60 | 0.3054/min |
D | n-Hexane | 100% | Octahedron | ~4.3 µm | 420 | 387 | 30 | 0.2834/min |
E | n-Hexane: ethylene glycol | 1:1 | Irregular | ~4 µm | 400 | 360 | 50 | 0.2837/min |