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Down the rabbit hole: how electrons travel through exotic new material
Down the rabbit hole electrons travel exotic new material
2016/3/21
Researchers at Princeton University have observed a bizarre behavior in a strange new crystal that could hold the key for future electronic technologies. Unlike most materials in which elec...
Synthesis and Characterization of New Material——La/Zr/MMT Employed in Acetone Oxidation
锆交联 蒙脱土 稀土镧掺杂 丙酮氧化
2007/12/20
摘要 蒙脱土作为一种新型催化材料, 越来越受到人们的重视。目前对锆交联的层状蒙脱土已有很多研究，但采用稀土元素掺杂锆制备交联蒙脱土并用于VOCs氧化方面的研究鲜有报导。本文合成了稀土镧掺杂锆复合的交联蒙脱土新材料，采用XRD, TEM, TG-DTA和BET等分析手段对合成的样品进行了表征。结果表明，经镧掺杂锆柱撑以后，蒙脱土层间距由1.57增加到4.85nm，与单一的锆柱撑的蒙脱土相比较，该材料...