Graphene-semiconductor nanocomposites: excited-state interactions between ZnO nanoparticles and graphene oxide
Graeme Williams1, Prashant V Kamat
1Radiation Laboratory and Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, USA.
Langmuir : the ACS Journal of Surfaces and Colloids
|May 21, 2009
Abstract:
Graphene oxide sheets suspended in ethanol interact with excited ZnO nanoparticles and undergo photocatalytic reduction. The luminescence quenching of the green emission of ZnO serves as a probe to monitor the electron transfer from excited ZnO to graphene oxide. Anchoring of ZnO nanoparticles on 2-D carbon nanostructures provides a new way to design semiconductor-carbon nanocomposites for catalytic applications.
