Table 1 CO2 photoreduction reactions catalysed by 1.

From: Steel slag as low-cost catalyst for artificial photosynthesis to convert CO2 and water into hydrogen and methanol

Entry

Catalyst

Irradiation sourcea

HCOOHb μmol g−1 h−1b

1

Slag

Sanolux (UV/Vis) Halogen (Vis)

480

2

1

Sanolux (UV/Vis) Halogen (Vis)

540

3

1

Halogen (Vis)

120

4

1

Sanolux (UV/Vis)

18

5

1

–c

0

6

Lit.d

 

304

  1. General reaction conditions: 30 mg of catalysts in water suspension volume = 20 mL, T = 25 °C, irradiation time = 5 h (see experimental section).
  2. aThe characteristics of irradiation source were reported in supporting information.
  3. bYields of formic acid were determined by a calibration curve (see supporting information Fig. S10). cWithout irradiation (blank reaction).
  4. dEu-MOF as catalyst5.
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