强负载型锌酞菁可见光敏化分子氧降解苯酚  

Strong Supported Zinc Phthalocyanine Sensitize Molecular Oxygen to Degrade Phenol under Visible Light Irradiation

作　　者：孙杰[1] 陈春常[1] 闪琨[1] 吕康乐[1] 

机构地区：[1]中南民族大学化学与材料科学学院催化材料科学湖北省暨国家民委-教育部重点实验室,武汉430074

出　　处：《中南民族大学学报（自然科学版）》2010年第3期10-13,共4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(20807057);湖北省自然科学基金资助项目(2008CDB374)

摘　　要：采用四羧基锌酞菁(Zn-taPc)制备得到一种强负载型可见光敏剂,并对其做了紫外-可见漫反射光谱的表征.考察了苯酚的可见光降解反应,在pH=12和负载量0.4%条件下,苯酚2.5 h的降解率达到95.67%.进一步淬灭实验证明,单重态氧是苯酚降解的活性氧化物种.Zinc tetracarboxyphthalocyanines（Zn-taPc） were used to prepare strong supported photosensitizes,which were characterized by the UV-vis diffuse reflection spectrum.The reaction of phenol decomposition under visible light irradiation in the presence of Zn-taPc was investigated,while the phenol degradation rate within 2.5 h reached 95.67% at pH 12 at 0.4% loading.Further quenching experiment indicated that singlet oxygen radicals were the main reactive oxidizing species in phenol degradation.

关 键 词：锌酞菁 可见光 苯酚 单重态氧 

分 类 号：O614.3[理学—无机化学] X703.1[理学—化学]