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研究提出高效构筑二维材料亚纳米级孔洞新策略
理论计算与实验研究表明,8-MR孔径适合水分子快速通过,同时有效阻挡多种水合离子。因此,当这些单层二硫化钼薄膜用作分离膜时,获得的水分子对水合离子的选择性极高,同时水通量大幅提升,远超当前最先进的海水淡化膜。相比之下,未经取向控制的二硫化钼仅形成少量8-MR结构,主要由更小且不可渗透的7-MR结构组成,致使水通量下降,水/离子选择性也较低。
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