New Membrane Architecture with High Performance: ZIF-8 Membrane Supported on Vertically Aligned ZnO Nanorods for Gas Permeation and Separation
New Membrane Architecture with High Performance: ZIF-8 Membrane Supported on Vertically Aligned ZnO Nanorods for Gas Permeation and Separation
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高性能新型膜结构：垂直排列的 ZnO 纳米棒支撑的 ZIF-8 膜，用于气体渗透和分离
DOI：
10.1021/cm500269e
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发表时间：
2014-02
影响因子：
8.6
通讯作者：
Qiu, Jieshan
中科院分区：
文献类型：
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作者：
Li, Shaohui;Kong, Linyin;Liu, Haiou;Li, Yanshuo;Han, Wei;Yeung, King Lun;Zhu, Weidong;Yang, Weishen;Qiu, Jieshan
以垂直排列的氧化锌纳米棒为载体，成功制备了一种新型的高性能ZIF-8膜结构。在多孔陶瓷载体上无缝生长垂直排列的单晶氧化锌纳米棒，形成ZIF-8膜的中间支撑层。它们为ZIF-8膜提供了既坚固又灵活的多个锚固件。纳米棒被激活以诱导ZIF核在其表面均匀成核，从而启动和引导无缺陷的ZIF-8膜的生长。通过单气体渗透和二元分离研究了这些新型膜结构的传输特性，证实了ZIF-8膜没有缺陷，并且在更高的温度(473K)下稳定。
A new ZIF-8 membrane architecture with high performance supported on vertically aligned ZnO nanorods was successfully prepared. The vertically aligned, single crystal ZnO nanorods were grown seamlessly from porous ceramic support to form an intermediate support layer for the ZIF-8 membrane. They provide multiple anchorages for the ZIF-8 membrane that are both strong and flexible. The nanorods were activated to induce a uniform nucleation of ZIF nuclei on their surface to initiate and guide the growth of a defect-free ZIF-8 membrane. Single gas permeations and binary separations carried out to investigate the transport properties of these new membrane architectures confirmed that the ZIF-8 membranes were free of defects and stable at a higher temperature (473 K).
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