醇热法合成花状空壳ZnIn_2S_4可见光催化剂及光解水产氢性能研究  

Alcoholthermal synthesis of hollow structured flower-like ZnIn_2S_4 in photocatalytic water splitting

作　　者：张鹏[1] 李熙[2] 曹艳凤[1] 曹锋雷[1] 朱建[1] 

机构地区：[1]上海师范大学生命与环境科学学院,上海200234 [2]华东师范大学化学系,上海200062

出　　处：《上海师范大学学报（自然科学版）》2012年第2期148-154,共7页Journal of Shanghai Normal University(Natural Sciences)

基　　金：国家自然科学基金(20907032);上海市科委(10QA1405300)

摘　　要：采用低温醇热法制备了具有空壳花状多级结构的ZnIn2S4可见光光催化剂.通过X射线粉末衍射(XRD)、紫外漫反射(DRS)、场发射扫描电镜(FESEM)、透射电镜(TEM)等对催化剂结构和形貌进行了系统表征.考察了不同陈化温度、陈化时间对催化剂光解水产氢性能的影响.结果表明:在不同醇热条件下合成的Pt/ZnIn2S4均具有光解水产氢性能.其中1%Pt/ZnIn2S4-110-24样品具有最好产氢活性,可能与其独特的花状外壳和空腔结构有关.Hollow structured flower-like ZnIn2S4visible-light photocatalysts were synthesized by an alcoholthermal method.The structure and morphology of the catalysts were characterized by X-ray powder diffraction（XRD）,UV-visible diffuse reflectance spectrum（UV-Vis DRS）,nitrogen adsorption-desorption analysis（BET）,field emission scanning electron microscopy（FESEM） and transmission electron microscopy（TEM）.All the prepared catalysts with different solvothermal temperatures and time demonstrated visible-light photocatalytic activities in water splitting.The 1%Pt/ZnIn2S4-110-24 sample showed the best activity in water splitting reaction,this is possible due to its unique flower-like morphology and hollow structure.

关 键 词：光解水 ZnIn2S4 醇热法 空壳 

分 类 号：O643.36[理学—物理化学]