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Recent Developments in Carbon Nanotube Membranes for Water Purification and Gas Separation

机译:用于水净化和气体分离的碳纳米管膜的最新进展

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Carbon nanotubes (CNTs) are nanoscale cylinders of graphene with exceptional properties such as high mechanical strength, high aspect ratio and large specific surface area. To exploit these properties for membranes, macroscopic structures need to be designed with controlled porosity and pore size. This manuscript reviews recent progress on two such structures: (i) CNT Bucky-papers, a non-woven, paper like structure of randomly entangled CNTs, and (ii) isoporous CNT membranes, where the hollow CNT interior acts as a membrane pore. The construction of these two types of membranes will be discussed, characterization and permeance results compared, and some promising applications presented.
机译:碳纳米管(CNT)是石墨烯的纳米级圆柱体,具有出色的性能,例如高机械强度,高长宽比和大比表面积。为了利用膜的这些特性,需要设计具有受控孔隙率和孔径的宏观结构。该手稿回顾了两种结构的最新进展:(i)CNT Bucky-papers,一种无纺布,无规纠缠的CNTs的纸状结构,以及(ii)等孔CNT膜,其中中空的CNT内部起着膜孔的作用。将讨论这两种类型的膜的结构,比较其表征和渗透结果,并介绍一些有希望的应用。

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