Step-by-Step Seeding Procedure for Preparing HKUST-1 Membrane on Porous α-Alumina Support

被引：180

作者：

Nan, Jiangpu ^{[1
]}

Dong, Xueliang ^{[1
]}

Wang, Wenjin ^{[1
]}

Jin, Wanqin ^{[1
]}

Xu, Nanping ^{[1
]}

机构：

[1] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China

来源：

LANGMUIR | 2011年 / 27卷 / 08期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

METAL-ORGANIC FRAMEWORK; MOLECULAR-SIEVE MEMBRANE; CU-3(BTC)(2); SELECTIVITY; SEPARATION;

D O I：

10.1021/la200103w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metal organic framework (MOF) membranes have attracted considerable attention because of their striking advantages in small molecule separation. The preparation of an integrated MOF membrane is still a major challenge. Depositing a uniform seed layer on a support for secondary growth is a main route to obtaining an integrated MOF membrane. A novel seeding method to prepare HKUST-1 (known as Cu(3)(btc)(2)) membranes on porous alpha-alumina supports is reported. The in situ production of the seed layer was realized in step-by-step fashion via the coordination of H(3)btc and Cu(2+) on an alpha-alumina support. The formation process of the seed layer was observed by ultraviolet visible absorption spectroscopy and atomic force microscopy. An integrated HKUST-1 membrane could be synthesized by the secondary hydrothermal growth on the seeded support. The gas permeation performance of the membrane was evaluated.

引用

页码：4309 / 4312

页数：4

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