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纳米氧化铝前驱体AlOOH的微观晶体结构分析

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摘要 纳米Al2O3具有优良的吸附和催化活性,在很多领域具有较好的应用前景.为了揭示复杂体系下纳米氧化铝的成型机理和晶体结构特点,文章运用国内外领先的“金属包埋切片微米-纳米表征法”,对其前驱体纳米AlOOH的微观晶体结构做了深入细致的分析研究,从原子层面揭示了极性添加剂在晶体生长过程中铁离子的“同晶替代”作用,以及硫酸根的“插层”诱导作用,同时还指出了非极性表面添加剂对异型纳米AlOOH晶体表面的“修复”和“美容”作用,最后用能谱及红外光谱验证了结论的正确性.
出处 《纳米科技》 2015年第3期57-63,共7页
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参考文献9

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