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Published online by Cambridge University Press: 09 February 2016
In order to enhance the photocatalytic efficiency of oxide semiconductors,variant processes have been proposed. The creation of the heterojunctioncomposites has attracted considerable attentions and developed into an importantresearch area for the high performance photocatalyst preparation. In this paper,we introduce the research progress on heterojunction composites which wereprepared via a novel physical route with relatively high temperature treatments.It is hope that this mini-review can inspire research interest in the realm ofheterojunction synthesis based on the thermal diffusion mechanism.