【摘要】 提高光催化剂降解污染物的效率和选择性,近年来引起了诸多研究者的关注。通过原位中心取代合成方法,合成了Meso-四（对磺酸基苯基）卟啉锌/氧化锌（ZnTPPS₄/ZnO NAs）复合材料。通过X射线粉末衍射（XRD）、扫描电子显微镜（SEM）、紫外-可见吸收光谱（UV-Vis）和红外光谱（FTIR）等方法,对其晶体结构、形貌、组成和官能团进行表征,证明了在二维ZnO表面上的Zn原子,原位取代Meso-四（对磺酸基苯基）卟啉（TPPS₄）中心的氢原子,并与之形成中心配位。同时,对二维ZnO进行表面改性,增强其亲水性。分别将ZnTPPS₄/ZnO NAs和ZnO,对亲水性染料罗丹明B（RhB）和疏水性的苯酚（PL）,进行可见光光催化实验,结果表明,亲水性ZnTPPS₄/ZnONAs对罗丹明B降解效率高,呈现出显著的光催化选择性。更多还原

【Abstract】 Recently,improving the efficiency and selectivity of photocatalyst degradation for pollutants has attracted the attention of researchers.In this work,meso-tetra（p-sulfonylphenyl）porphyrin zinc/zinc oxide（ZnTPPS₄/ZnO NAs）composites was synthesized by in-situ center-substituted synthesis.The crystal structure,morphologyand functional groups were characterized by various techniques.It was confirmed that zinc active atoms on the surface of ZnO 2Dnanosheets were coordinated with the central ring of TPPS₄ based on ¹ H NMR,UV-Vis and FTIR.The surface of ZnO NAs modified with TPPS₄ enhanced its hydrophilicity.The selectivity of photocatalystic activities forZnTPPS₄/ZnO NAs was tested by degradation of rhodamine B（RhB）and phenol（PL）under visible light.ZnTPPS₄/ZnO NA exhibits higher degradation efficiency for hydrophilic rhodamine B,illustrating selectivity for photocatalytic degradation.更多还原