Hard Template Route for Synthesis of Mesoporous Spinel Type Oxides with Ordered Structure

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Abstract:

The binary mesoporous spinel oxides with high surface area have been synthesized by using KIT-6 and SBA-15 as hard templates and hydrated nitrated salts as precursors. Low temperature such as 500 °C is suitable for preparation of NiCo2O4 with spinel phase. High temperature such as 800 °C is necessary for preparation of NiMn2O4, MnCo2O4, and (Co0.5Mn0.5)3O4 with pure spinel phase. The prepared mesoporous spinel shows high surface area as 43-105 m2/g with pore volume as0.095-0.233 cm3/g. It is preferred to form mesoporous NiCo2O4 with spherical particles.

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200-203

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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