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首页> 外文期刊>Theoretical and Experimental Chemistry >EFFECT OF SYNTHESIS CONDITIONS ON THE STRUCTURE AND SORPTION PROPERTIES OF FILMS BASED ON MESOPOROUS TIN DIOXIDE
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EFFECT OF SYNTHESIS CONDITIONS ON THE STRUCTURE AND SORPTION PROPERTIES OF FILMS BASED ON MESOPOROUS TIN DIOXIDE

机译:介孔二氧化锡的合成条件对薄膜的结构和吸附性能的影响

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摘要

We have conducted a comparative study of the synthesis conditions for mesoporous materials and films based on tin dioxide in the presence of different types of templates, and we have studied their thermal stability and sorption properties. We demonstrate the advantage of using alcoholic reaction media and nonionic templates (triblock copolymers Pluronic-123 and Pluronic-127) to obtain thin films of mesoporous SnO2 with relatively high parameters for the porous structure (V_(meso) = 0.15 cm~3/g, S_(bet) = 147 m~2/g) and cassiterite crystallite sizes down to 2.7 nm, significantly smaller than the thickness of the walls.
机译:在存在不同类型模板的情况下,我们对基于二氧化锡的介孔材料和薄膜的合成条件进行了比较研究,并研究了它们的热稳定性和吸附性能。我们证明了使用酒精反应介质和非离子模板(三嵌段共聚物Pluronic-123和Pluronic-127)获得介孔SnO2薄膜的优点,该薄膜具有相对较高的多孔结构参数(V_(meso)= 0.15 cm〜3 / g ,S_(bet)= 147 m〜2 / g),锡石微晶尺寸低至2.7 nm,明显小于壁的厚度。

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