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LaNiO3/TiO2纳米管阵列的电化学制备及其光催化性能
Authors
叶陈清
向思弯
+4 more
孙岚
弓程
张泽阳
林昌健
Publication date
28 December 2019
Publisher
Doi
Cite
Abstract
利用脉冲电沉积与高温退火相结合的方法制备了镍酸镧(LaNiO3)纳米颗粒负载的二氧化钛(Ti O2)纳米管阵列.修饰于Ti O2纳米管阵列上的LaNiO3纳米颗粒粒径小(<10 nm)、分布均匀、负载量可控,一些LaNiO3纳米颗粒沉积于Ti O2纳米管内.紫外可见吸收光谱显示,LaNiO3/Ti O2纳米管阵列的吸收带边较Ti O2纳米管阵列明显红移,可见光吸收明显增强.可见光下光催化降解罗丹明B(RhB)的结果表明,脉冲循环沉积500次制得的LaNiO3/Ti O2纳米管阵列的光催化活性最佳,其对RhB光催化降解速率是Ti O2纳米管阵列的3.5倍,并且表现出极好的光催化稳定性
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Last time updated on 20/11/2020