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以溶胶-凝胶法合成的钙钛矿型复合氧化物AFeO3(A=Sm、Gd、Bi)为催化剂,对一种水溶性染料(活性翠兰KGL)进行光催化降解。实验结果表明,A位离子对其光催化活性有重要影响。对其光催化活性与AFeO3(A=Sm、Gd、Bi)的电子结构之间的关系进行了探讨。
A photocatalytic degradation of a water-soluble dye (Reactive Turion KGL) was carried out using perovskite-type composite oxide AFeO3 (A = Sm, Gd, Bi) synthesized by sol-gel method. The experimental results show that A-site ions have an important influence on the photocatalytic activity. The relationship between the photocatalytic activity and the electronic structure of AFeO3 (A = Sm, Gd, Bi) was also discussed.