![]() The performance and application of semiconductor photocatalyst are largely based on how much its electronic structure and photoinduced charge property at the surface or interface are realized.5 The studies on the effects of some factors, such as material size, phase composition, structure and dopant species, on the properties of photoinduced charges, including charge transfer behavior and surface states, are of very significance to the preparation and application of semiconductor materials.4 This property is size quantization effect which arise due to the increasing quantum confinement of the electrons and holes with diminishing size of the crystallites and the consequent changes in the electronic structures.3-5 Nanometer range semiconducting materials have been a subject of intense study for last several years due to their size dependent physical and chemical properties below a critical size characteristic of the material.1,2 Photocatalytic property is a interesting property that exhibited by these nanocrystals. ![]()
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