Abstract
TiO2 loaded HNb3O8 nanocomposite (TiO2@HNb3O8-NS) was successfully prepared by an exfoliation-assembled method at the moderate conditions. The physicochemical properties were characterized by means of XRD, HRTEM, LRS, N2 adsorption-desorption measurement and UV–vis DRS. The characterization results indicated that TiO2 were highly dispersed on the HNb3O8 nanosheet (HNb3O8-NS) and there was an obvious interaction between host HNb3O8-NS and guest TiO2. The photocatalytic performance of the as-prepared materials was investigated through degradation of methylene blue (MB). The results showed that the as-prepared TiO2@HNb3O8-NS composite owns excellent photodegradation performance under UV light source. The role of TiO2 dispersed on HNb3O8-NS in degradation of methylene blue (MB) was mainly attributed to the change of band gap structure and the improvement of separation of photogenerated carriers. And the photocatalytic mechanism was discussed in the article.
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