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. 2018 Dec 21;10(9):2758–2766. doi: 10.1039/c8sc05693e

Table 4. Photocatalytic performance of PMI|TiO2|Pt.

System a TOFPMI/h–1 (1 h) b n(H2)/μmol (24 h) TONPMI (24 h) b
pH 4.5
PMI-CO2H 344 ± 38 53.7 ± 6.2 6461 ± 749
PMI-Acac 112 ± 12 21.7 ± 2.2 2146 ± 203
PMI-PO3H2 210 ± 27 42.5 ± 6.3 3546 ± 523
PMI-HQui 467 ± 72 53.3 ± 5.9 4928 ± 549
PMI-DPA 305 ± 59 41.4 ± 2.9 3943 ± 394
pH 7
PMI-CO2H 59.2 ± 5.9 3.9 ± 0.5 471 ± 63
PMI-Acac 10.9 ± 1.0 1.3 ± 0.1 133 ± 13
PMI-PO3H2 27.4 ± 2.7 3.6 ± 0.4 303 ± 30
PMI-HQui 25.6 ± 2.6 2.5 ± 0.5 232 ± 26
PMI-DPA 27.5 ± 2.7 3.8 ± 0.2 366 ± 37
pH 8.5
PMI-CO2H 58.6 ± 14.5 4.1 ± 1.4 490 ± 170
PMI-Acac 23.4 ± 3.1 3.0 ± 0.7 294 ± 67
PMI-PO3H2 60.9 ± 6.1 8.5 ± 1.3 708 ± 107
PMI-HQui 26.4 ± 2.8 2.8 ± 0.4 262 ± 36
PMI-DPA 32.8 ± 3.3 4.7 ± 0.7 444 ± 62

aConditions: 1.25 mg PMI|TiO2|Pt in 3 mL ED solution (0.1 M of AA or TEOA), UV-filtered simulated solar irradiation (AM 1.5 G, 100 mW cm–2, λ > 420 nm, 25 °C).

bTOFPMI (1 h) and TONPMI were calculated based on the loading of the TiO2|Pt nanoparticles (see Table S3).