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The Bi2O2O3 modified La3+ was synthesized using two methods of co-precipitation (La-Bi2O2O3) and wet impregnation (La/Bi2O2O3). The effects of the above two modification methods on the stability of Bi2O2CO3 after calcination and the physicochemical properties of Bi2O2CO3 were investigated by XRD, SEM, BET, and XPS. As compared with La-Bi2O2O3, it is observed that Bi2O2CO3 can be effectively stabilized...
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