Sn^(4+)/氯氧化铋花状微球的制备及可见光催化性能  

Preparation and photocatalytic property under visible light of Sn^(4+)/BiOCl microsphere with flower-like

作　　者：武小满[1] 史若男 Wu Xiaoman;Shi Ruonan(School of Chemistry and Chemical Engineering,Xuchang University,Xuchang 461000)

机构地区：[1]许昌学院化学化工学院,许昌461000

出　　处：《化工新型材料》2021年第8期186-189,共4页New Chemical Materials

摘　　要：以Bi(NO_(3))35H_(2)O为铋源,SnCl_(4)5H_(2)O为锡源和部分氯源,乙二醇为溶剂,尿素为沉淀剂,利用溶剂热法原位合成了不同尺寸的Sn^(4+)掺杂BiOCl(简称Sn^(4+)/BiOCl)。对罗丹明B的降解结果表明,当Sn掺杂量为8%,水热温度为110℃,水热时间为3h时制备的BiOCl光催化性能最好。可见光照3h后罗丹明B完全降解。X射线衍射和扫描电镜表征结果显示Sn的掺杂使BiOCl的晶化温度显著降低,Sn^(4+)/BiOCl为片层结构排列较为紧密规整的花状微球,粒径约1-2.5μm。紫外-可见光谱表明掺杂Sn^(4+)明显增强了BiOCl对可见光的光响应性能。Using Bi(NO_(3))35H_(2)O as the source of bismuth,SnCl_(4)5H_(2)O as the source of stannum and chlorine,glycol as the solvent and urea as the additive,the Sn^(4+)-doped BiOCl photocatalysts with different sizes were prepared by sol-thermal method.Using Rhodamine B as the degradant,the results showed that the photocatalytic performance of Sn^(4+)/BiOCl was best when the doping amount was 8%,the hydrothermal temperature was 110℃,and the hydrothermal time was 3h.After irradiated for 3h under visible light,Rhodamine B was completely degraded.The XRD and SEM characterization results showed that Sn doping significantly reduced the crystallization temperature of BiOCl and the microspheres presented flower-like microspheres with compact and regular lamellar structure,which particle size was about 1-2.5μm.The UV-Vis spectra showed that doping Sn^(4+)significantly enhanced optical response of BiOCl to visible light.

关 键 词：Sn^(4+)掺杂 氯氧化铋 溶剂热法 可见光催化 

分 类 号：O643[理学—物理化学]