Table 3.
Evaluation of catalytic performances of catalysts a.
| Entry | Catalysts | Pd (wt.%) | V b (mL) | TOF (h−1) Initial c |
|---|---|---|---|---|
| 1 | Pd/HNTs | 0.60 | 16 | 126.2 |
| 2 | Pd/HNTs | 1.28 | 47.6 | 136.0 |
| 3 | Pd/NH2-HNTs | 2.50 | 154.5 | 412.9 |
| 4 | Pd/NH2-HNTs | 1.30 | 84.6 | 439.2 |
| 5 | PdAu/NH2-HNTs | 1.31 | 133.9 | 701.6 |
| 6 | PdAg/NH2-HNTs | 1.30 | 65 | 370.3 |
| 7 | Au/NH2-HNTs | —— | 0 | 0 |
| 8 | Ag/NH2-HNTs | —— | 0 | 0 |
a T= 298 K, FA/SF = 1; b V, total volume of H2 evolved in 70 min; c TOF (h−1) initial was calculated based on the total volume of H2 in the first 30 min. The literatures TOF for different catalysts used for the generation of dihydrogen are showed in Table S2.