UV light-assisted synthesis of coral SnO2: Characterization and its enhanced photocatalytic properties

UV light-assisted synthesis of coral SnO2: Characterization and its enhanced photocatalytic properties
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紫外光辅助合成珊瑚 SnO2:表征及其增强的光催化性能

DOI:
10.1016/j.colsurfa.2012.03.018
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发表时间:
2012-05
期刊:
Colloids and Surfaces A: Physicochemical and Engineering Aspects
影响因子:
--
通讯作者:
Ren, Pengrong
Ren, Pengrong
中科院分区:
其他
文献类型:
--
作者:
Wang, Xin;Fan, Huiqing;Ren, Pengrong

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采用紫外光辅助的方法合成了珊瑚sno2纳米颗粒。在不改变形貌的情况下,引入退火使样品结晶并排除杂质。采用粉末x射线衍射(XRD)、热重分析(TGA)、扫描电镜(SEM)、透射电镜(TEM)、x射线光电子能谱(XPS)和紫外可见光谱对sno2样品进行了表征,并根据实验结果对sno2样品的形成机理进行了详细的探讨。根据光照射时间的不同,产物的大小和形态也不同。与工业SnO2相比,珊瑚型SnO2由于具有较大的高比表面积而提高了对甲基橙(MO)溶液的光催化性能。
A UV light-assisted route has been used to synthesis coral SnO2nanoparticles. Annealing is introduced to crystallize samples and exclude impurities without changing the morphology. Powder X-ray diffraction (XRD), thermo-gravimetric analysis (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and UV–vis spectra are used to characterize the SnO2samples and the detailed formation mechanism is discussed based on the experiment results. The products are of different sizes and morphologies depending on the light irradiation time. Compared with commercial SnO2, the coral SnO2have improved photocatalytic performance toward methyl orange (MO) solution due to its large high specific surface.
具有高光催化活性的网络结构SnO2/ZnO异质结纳米催化剂
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