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高温水热法合成系列介孔氧化铝负载铂催化剂及其对苯的催化燃烧性能 被引量：3

High Temperature Hydrothermal Synthesis of Pt Functionalized Mesoporous Al_2O_3 and Its Catalytic Activity for Benzene Combustion
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摘要 采用高温水热法制备稳定、高度晶化的介孔氧化铝材料(M-Al2O3-n),通过异丙醇铝前驱体与聚四乙烯基吡啶(P4VP)模板间的酸碱自组装实现材料介孔结构的构筑,再经高温水热处理(180℃)实现孔壁的晶化,并通过担载少量的铂活性组分研究其在催化完全燃烧苯中的性能.结果表明:M-Al2O3-n具有高度晶化的孔壁结构和典型的γ-Al2O3晶型;M-Al2O3-n具有较大的比表面积(335m2/g)、孔容(1.36cm3/g)和均一的孔径分布(16.1nm);M-Al2O3-n具有粗糙的表面结构及丰富的纳米多孔结构;该材料负载少量的铂(质量分数为0.3%)活性组分得到的新型催化材料在较温和的条件下即可将苯类VOCs完全催化燃烧. Stable crystalline mesoporous Al2O3（M-Al2O3-n）supporting Pt with good catalytic activity for benzene combustion have been successfully prepared.M-Al2O3-ns support was synthesized from the self assembly of Al precursor with poly 4-vinylpyridine（P4VP）template based on their strong acid-base interactions,followed by hydrothermal treatment at 180℃and calcination at 550℃.XRD patterns show that M-Al2O3-ns are highly crystalline withγ-Al2O3character.N2isotherms and pore size distribution show that M-Al2O3-ns have a high BET surface area（335m2/g）,large pore volume（1.36cm3/g）and uniform mesopores（16.1nm）.SEM images show that M-Al2O3-ns have rough surface and abundant mesopores.Catalytic tests show that M-Al2O3-ns exhibit excellent activity for benzene combustion under rather mild conditions.
作者 孔维萍 王聪 徐丹丹 赵黎 邹永存
机构地区 吉林大学无机合成与制备化学国家重点实验室 绍兴文理学院化学化工学院
出处 《吉林大学学报（理学版）》 CAS CSCD 北大核心 2014年第3期601-604,共4页 Journal of Jilin University:Science Edition
基金 国家自然科学基金(批准号:21203122) 吉林省科技发展计划项目(批准号:20140101041JC 20130204001GX)
关键词 高温合成 自组装 介孔材料 易挥发性有机物 晶体孔壁 high temperature synthesis self-assembly mesoporous material volatile organic compounds（VOCs） crystalline pore walls
分类号 O641 [理学—物理化学]
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参考文献14

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二级参考文献12

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吉林大学学报（理学版）
2014年 第3期

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