【摘要】 以氯化铜和硫代乙酰胺为原料,聚乙二醇400（PEG400）为表面活性剂,采用水热法在160℃下反应10h成功制备了CuS纳米管和CuS纳米颗粒。用X射线粉末衍射仪（XRD）、扫描电子显微镜（SEM）、N₂吸脱附和荧光光谱仪（PL）多种手段对产品进行表征。以罗丹明B、甲基橙为目标降解物,考察了CuS纳米管和纳米颗粒的光催化活性。结果表明:所制备的产品为六方相CuS;PEG400对产品的形貌有很大影响;CuS纳米管在紫外光照射140min后对罗丹明B和甲基橙的降解率达到81.5%和87.9%,CuS纳米颗粒对罗丹明B和甲基橙的降解率约为63.5%和66.6%。CuS纳米管的光催化活性明显优于CuS纳米颗粒。更多还原

【Abstract】 Copper sulfide(CuS)nanotubes and nanoparticles were successfully synthesized by a hydrothermal process at 160℃for 10 h,employing copper chloride and thioacetamide as starting materials and polyethylene glycol 400 as surfactant.The products were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM),nitrogen adsorption-desorption and fluorescence spectrophotometry(FL),respectively.The photocatalytic properties of CuS nanotubes and nanoparticles were evaluated via photocatalytic tests.The results showed that the prepared products belonged to hexagonal phase of CuS.The morphology of the products was greatly influenced by PEG400.The photocatalytic degradation rates of CuS nanotubes for rhodamine B and methyl orange under UV light irradiation for 140 min were 81.5%and 87.9%,respectively.The photocatalytic degradation rates of CuS nanoparticles were about 63.5%and 66.6%,respectively.The as-prepared CuS nanostubes showed higher photocatalytic activities for rhodamine B and methyl orange than the CuS nanoparticles.更多还原