Table 3.
Relevant synthesis parameters and Pt precursors.
| sample name | Pt precursor | NaPA/Pt ratio | initial pH | aging of the Pt solutions |
| (111)-NC | H2PtCl6·6H2O | 5 | 7 | 1 day |
| (111+100)-NC | K2PtCl4 | 1 | 8 | 3 days |
| (100)-NC | K2PtCl4 | 12 | 7 | 3 days |
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