Synthesis of monodisperse pancake-like Bi2WO6 with prominent photocatalytic performances

Synthesis of monodisperse pancake-like Bi2WO6 with prominent photocatalytic performances
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具有突出光催化性能的单分散薄饼状Bi2WO6的合成

DOI:
10.1007/s11164-017-3226-7
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发表时间:
2018-04
影响因子:
3.3
通讯作者:
Song Ji-Ming
Song Ji-Ming
中科院分区:
化学3区
文献类型:
--
作者:
Chen Jingshuai;Hua Xu;Mao Chang-Jie;Niu Helin;Song Ji-Ming

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在甘油(Gly)和水(V/V=1)的混合溶剂中,通过溶剂热法制备了均匀的Bi2WO6煎饼。采用扫描电子显微镜、透射电子显微镜、X射线粉末衍射仪、Brunauer-Emmett-Teller、FT-IR、UV-Vis漫反射光谱等手段对合成的Bi2WO6的结构和性能进行了表征。研究发现,Bi2WO6煎饼在可见光(λ和≥为420 nm)照射下对罗丹明B(RhB)的降解表现出优异的光催化性能,这归因于其良好的结晶性能、较大的比表面积、独特的形貌和结构特征。
Uniform Bi2WO6 pancakes were prepared via a solvothermal route in a solvent mixture of glycerol (Gly) and water (V/V = 1). A variety of techniques including scanning electron microscopy, transmission electron micrographs, X-ray powder diffraction, Brunauer–Emmett–Teller, FT-IR spectra, and UV–Vis diffuse reflectance spectra, were employed to characterize the structure and properties of the as-obtained Bi2WO6. It was found that Bi2WO6 pancakes showed prominent photocatalytic performance for the degradation of rhodamine B (RhB) under visible light (λ ≥ 420 nm) irradiation, which can be attributed to its good crystallization, large surface area, unique morphology and structural features.
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