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A type of order mesoporous LaNiO3 perovskite oxide was synthesized employing SBA-15 as hard template. Compared with conventional LaNiO3 perovskite prepared by citrate method, the modified nanocasting method with aid of ultraphonic and vacumm could deliver more precursors into the channels and reduce residual at external surface of template, resulting in forming high order mesoporous structure. The...
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