Abstract
The nonlinear optical (NLO) and optical limiting properties of a graphene oxide hybrid material coordinated withFe3O4 nanoparticles(GO–Fe3O4) were studied by using the Z-scan technique at 532 nm in thenanosecond and picosecond regimes. Results show that GO–Fe3O4 exhibits enhanced NLO and optical limiting properties in comparison withthe pristine GO in the nanosecond regime. Compared with fullerene (C60) in toluene at differentconcentrations, GO–Fe3O4 exhibits a weaker optical limiting effect thanC60 at high concentration, but shows a stronger optical limiting effect thanC60 at low concentration in the high input fluence region.
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