Abstract
SnO/nanographite (NG) microsphere were synthesized by a facile ultrasonic reaction method. Result shows that the SnO/NG hybrid microspheres were composed of well-dispersed, slightly agglomerated graphite nanoparticles embedded in numerous SnO nanosheets. The size of these microspheres was approximately 4 µm, and the shells were composed of SnO nanosheets with an average thickness of 30 nm. An intimate interface boundary between the graphite and SnO phase was formed in the composites. All photocatalytic activity of the SnO/NG composites was markedly higher than those of the SnO sample. The composites consisting of 5.47 wt% graphite showed the best visible photocatalytic properties, potentially degrading 98.5% of methyl orange within 45 min.
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