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MOCVD法制备Pd@ZIF-8催化剂及其催化Suzuki反应性能

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2015-04-01

Journal: 催化学报

Included Journals: Scopus、SCIE、CSCD、ISTIC、PKU、EI

Volume: 36

Issue: 4

Page Number: 588-594

ISSN: 0253-9837

Key Words: 钯;ZIF-8;金属有机气相沉积;Suzuki偶联反应

Abstract: 以金属有机骨架化合物ZIF-8为载体, Pd(C3H5)(C5H5)为金属有机前体,采用金属有机气相沉积方法在室温下制备了Pd@ZIF-8催化剂. Pd纳米粒子在ZIF-8载体上均匀分布,粒子尺寸约为1.5–3.5 nm. Pd@ZIF-8在温和条件下对多种卤代芳烃和苯硼酸的偶联反应均具有良好的活性. ZIF-8优异的化学稳定性不仅保证了其在制备过程中结构的完整,而且赋予了催化剂优异的循环使用性能.反应后Pd@ZIF-8材料的晶体结构、孔结构以及粒子分布均未发生明显的变化.

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