Abstract: By means of the similar structures between Bi4Ti3O12 and TiO2,the Bi4Ti3O12/TiO2 heterojunction is made by the hydrothermal method using TiO2 nano sheets as raw materials.The formation of heterojunction structure is confirmed by X ray diffraction,scanning electron microscopy and high-resolution transmission electron microscopy.The characterization of visible light catalytic activity shows that the performances of the Bi4Ti3O12/TiO2 heterojunction structure are significantly improved compared to TiO2 or Bi4Ti3O12.The photoelectrochemical characterization further confirms the Bi4Ti3O12/TiO2 heterojunction structure can effectively promote the separation of photogenerated electron and hole pairs.The experimental results also show that the enhancement is closely related to the ratio between two phases,so that the performance is optimized by controlling the phase ratio.
李言, 王方方, 傅正平, 陆亚林. Bi4Ti3O12/TiO2异质结的原位制备及其光化学性能研究[J]. 现代化工, 2017, 37(10): 101-104.
LI Yan, WANG Fang-fang, FU Zheng-ping, LU Ya-lin. Synthesis and photocatalytic performance of Bi4Ti3O12/TiO2 heterojunction. Modern Chemical Industry, 2017, 37(10): 101-104.
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