SnS_2纳米片/氧化石墨烯复合材料的制备及其光催化性能研究  

Fabrication of SnS_2 Nanosheets/Graphene Oxide Nanocomposites with High Photocatalytic Activity

作　　者：胡军成[1] 杨伟[1] 陶方琪[1] 于娟娟[1] 罗曼[1] 周贤龙[1] 魏仁杰[1] 米倩[1] 

机构地区：[1]中南民族大学催化材料科学湖北省暨国家民委-教育部共建重点实验室,武汉430074

出　　处：《中南民族大学学报（自然科学版）》2013年第1期7-11,共5页Journal of South-Central University for Nationalities：Natural Science Edition

基　　金：国家自然科学基金资助项目(20803096)

摘　　要：为探讨SnS2纳米片/氧化石墨烯(GO)复合材料的光催化活性,采用液相氧化法制备GO,通过一步水热合成法,控制GO的含量和反应时间制备了一系列SnS2/GO复合材料.采用XRD,DRS,TEM,IR表征了制得的催化剂,研究了催化剂在可见光(λ>420 nm)下降解甲基橙的催化性能.结果表明:改变GO含量,SnS2六边形结构保持不变,SnS2/GO复合材料比纯的SnS2具有更高的光催化活性.当GO与SnS2质量比为5%,反应36 h催化效果较佳.In order to study the photocatalytic activity of SnS2/GO composites,the liquid-phase oxidation method was used to prepare graphene oxide（GO）.A series of SnS2/GO nanocomposites were synthesized via hydrothermal method by changing the quantities of GO and controlling the reaction time.The catalysts were characterized by XRD,DRS,TEM and IR,the photocatalytic activity were tested for the degradation of methyl orange（MO） under visible light（λ420 nm） irradiation.The results showed that the SnS2 kept hexagonal structure with the changes of GO quantities and the SnS2/GO nanocomposites exhibited higher catalytic activity than pure SnS2.When the mass ratio of GO to SnS2 was 5% and reaction time was 36 hours,the product exhibited better photocatalytic activity.

关 键 词：液相氧化法 SnS2 GO复合材料 光催化降解 纳米片 

分 类 号：TB383[一般工业技术—材料科学与工程]