| Composition | Content (g/L) | Parameters | Values |
| NiSO4 ×7H2O | 250 | pH | 3.7 |
| NiCl2 ×6H2O | 90 | T | 25˚C |
| H3BO3 | 30 | Deposition time | 90 min |
| SDS | 0.14 |
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| SiO2 particles | 30 |
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