Fig. 7.
Comparison of the dechlorination efficiency of Pd/Fe nanoparticles and Pd/Fe nanotubes: (♦) 0.1 mg mL−1 400 nm Pd/Fe nanotubes, (●) 1 mg mL−1 Pd/Fe nanoparticles, and (▲) 1 mg mL−1 400 nm Pd/Fe nanotubes. Inset: linear fit kinetics of the dechlorination of 25 μM PCB 77 with (●) 1 mg mL−1 Pd/Fe nanoparticles and (♦) 0.1 mg mL−1 400 nm Pd/Fe nanotubes.