In this paper, nanometer perovskite-type catalysts La1-xSrxMnO3 are prepared by citric acid sol-gel method that add surface-active agent.

• 本研究采用添加表面活性剂的柠檬酸溶胶-凝胶法制备了纳米钙钛石型氧化物催化剂La1-xSrxMnO3。