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首页> 外文期刊>Science of advanced materials >Stannic Oxide Nanoplate-Assembled Hierarchical Microstructures: Synthesis and Photocatalytic Properties
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Stannic Oxide Nanoplate-Assembled Hierarchical Microstructures: Synthesis and Photocatalytic Properties

机译：氧化锡纳米板组装的层级微观结构：合成和光催化性能。

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Stannic oxide (SnO2) nanoplate-assembled hierarchical microstructures were synthesized by a facile hydrothermal method, and their structural, optical, and photocatalytic properties were studied in detail. The as-prepared SnO powders were calcined at 500 degrees C to create the oxidized SnO2 ones. These powder samples were analyzed by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, and UV/Vis absorption measurements. The newly synthesized SnO2 powder samples exhibited a pure tetragonal phase with P42/mnm (136) space group, and they were used as a photocatalytic material under UV light irradiation. The photocatalytic activity of the SnO2 nanoplate-assembled samples was investigated with a photodegradable dye, i.e., rhodamine B (RhB) solution, by varying the irradiation time. Photodegradation rates of similar to 20 and 51.6%, respectively, were obtained without and with the SnO2 photocatalyst in the RhB solution for an irradiation time of 7 h.
机译：利用一种简便的水热法合成了氧化锡（SnO2）纳米板组装的分层微观结构，并对其结构，光学和光催化性能进行了详细研究。所制备的SnO粉末在500摄氏度下煅烧，生成氧化的SnO2粉末。通过扫描电子显微镜，透射电子显微镜，傅立叶变换红外光谱，X射线衍射和UV / Vis吸收测量来分析这些粉末样品。新合成的SnO2粉末样品表现出P42 / mnm（136）空间基团的纯四方相，并在紫外光照射下用作光催化材料。通过改变照射时间，使用光可降解染料罗丹明B（RhB）溶液研究了SnO2纳米板组装样品的光催化活性。在RhB溶液中在不使用SnO2光催化剂的情况下，在7 h的照射时间内，其光降解率分别接近20％和51.6％。

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