In-TiO_(2)/TUD-1光催化剂的制备及活性研究  

Study on Preparation and Catalyzing Reactivity of In-TiO_(2)/TUD-1 Photocatalyst

作　　者：王友文 唐雨浓 闫晓霖[1] WANG Youwen;TANG Yunong;YAN Xiaolin(School of Science,Inner Mongolia Agricultural University,Inner Mongolia Hohhot 010018,China)

机构地区：[1]内蒙古农业大学理学院,内蒙古呼和浩特010018

出　　处：《广州化工》2025年第7期70-73,共4页GuangZhou Chemical Industry

摘　　要：TUD-1是具有三维孔道结构、较大的比表面积且孔径可调的介孔分子筛。本文以硝酸铟提供铟离子,硅酸四乙酯为硅源,三乙醇胺为模板剂,四乙基氢氧化铵为辅助模板剂,合成In-TiO_(2)/TUD-1光催化剂。利用XRD、UV-Vis、TF-IR、BET对催化剂进行表征。制备不同比例的In和TiO_(2)光催化剂,以四环素为目标降解物,探究在不同条件下对四环素降解活性的研究。结果表明:In-TiO_(2)与TUD-1成功复合,并且在In元素的掺杂量为0.5%(摩尔比)时,其催化降解活性最佳,对四环素的降解率达88%。Mesoporous molecular sieve TUD-1,featuring a three-dimensional pore structure with adjustable pore size and large specific surface area,was used as a support.In-TiO_(2)/TUD-1 composite catalysts were synthesized via a sol gel method using indium nitrate[In(NO_(3))_(3)]as the indium source,tetraethyl orthosilicate(TEOS)as the silicon precursor,triethanolamine as the templating agent,and tetraethylammonium hydroxide as the auxiliary templating agent.Catalysts with varying In/TiO_(2)molar ratios were prepared.The photocatalytic activity of these catalysts was evaluated for tetracycline degradation under different solution pH conditions.Catalysts were characterized by XRD,UV-Vis,FT-IR and BET analysis.Results confirmed the successful synthesis of In-TiO_(2)/TUD-1 composite photocatalysts.The optimal catalytic performance was achieved with a 0.5wt%In-doped In-TiO_(2)/TUD-1 catalyst,which exhibited 88%tetracycline degradation efficiency.

关 键 词：光催化 TUD-1 TiO_(2) 四环素 

分 类 号：O611.4[理学—无机化学]