采用Pechini法合成了类钙钛矿型复合氧化物La2-xSrxCuO4(x=0 ～0.4).运用XRD、TG、SEM、BET及H2-TPR对样品进行了表征.考察了柠檬酸用量、焙烧温度以及锶的掺杂量等对产物物相、比表面积及催化性能的影响.结果表明,当柠檬酸与金属离子的摩尔比为4:1、焙烧温度为800℃时所合成的样品为结晶性好、粒度分布均匀、具有单一物相的类钙钛矿型La2-xSrxCuO4(x=0 ～0.4).XRD图谱表明,当x＞0时,所有合成样品均为具有单一晶相的类钙钛矿型复合氧化物.随着掺锶量的增加,样品比表面积增加,其低温氧化性能也随之提高.
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