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Monolithic porous magnesium silicide

机译:单片多孔镁硅化物

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摘要

Macroporous magnesium silicide monoliths were successfully prepared by a two-step synthesis procedure. The reaction of gaseous magnesium vapor with macro-/mesoporous silicon, which was generated from hierarchically organized meso-/macroporous silica by a magnesiothermic reduction reaction, resulted in monolithic magnesium silicide with a cellular, open macroporous structure. By adjusting the reaction conditions, such as experimental set-up, temperature and time, challenges namely loss of porosity or phase purity of Mg2Si were addressed and monolithic magnesium silicide with a cellular network builtup was obtained.
机译:通过两步合成程序成功制备了大孔镁硅化物整料。 气态镁蒸气用宏观/介孔硅的反应,通过镁热还原反应从分层组织的中间/大孔二氧化硅产生,导致整体硅化镁,具有细胞,开放的大孔结构。 通过调节反应条件,例如实验设置,温度和时间,挑战即Mg2Si的孔隙率或相纯度的损失,并获得了具有蜂窝网络内置的整体硅化镁。

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