摘要
用柠檬酸络合法制备了钙钛矿型 La Fe O3及 La Fe1 - x Cux O3化合物 ,测定了其对酸性红 3B等水溶性染料的光催化降解活性 .利用红外、紫外和光声光谱、正电子寿命谱及光电子能谱等技术分析了 La Fe O3的光催化性能及掺杂对其活性的影响 .结果表明 ,掺杂 Cu2 + 可使 La Fe
LaFeO 3 and a series of Cu doped compounds LaFe 1- x Cu x O 3 were prepared by citrate method. The photodegradation experiments of various water soluble dyes were carried out in the suspension of LaFe 1- x Cu x O 3 acting as the photocatalysts. The photocatalytic activity of LaFeO 3 and LaFe 1- x Cu x O 3 was studied with IR, UV Vis, and photoacoustic spectroscopy. The influence of doping on photocatalytic activity was also analyzed by PAT and XPS technology. The results show that the doping can greatly improve the photocatalytic activity of LaFeO 3.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2002年第2期283-286,共4页
Chemical Journal of Chinese Universities
基金
国家自然科学基金 (批准号 :5 9772 0 19)资助
