0.11 g prepared Fe3O4/Cu3(BTC)2 sample was dried at 150 C for
12 h, and then suspended in 10 mL anhydrous toluene. 0.6 mL
dithioglycol solution (0.24 mol L1
) was added into the mixture
solution and stirred 24 h. Finally, the blue-green powder was collected
by filtration, washed with 15 mL ethanol five times, and
dried 24 h at room temperature.