Advanced Membranes

Polydopamine (PDA) depositions, inspired by mussel foot adhesive proteins, represent a versatile method for preparing separation membranes. However, PDA-based nanofiltration membranes are limited by the long preparation time and moderate flux. This work modulated PDA deposition processes with a spiro-piperazine (SPIP) molecule containing two secondary amine groups and a quaternary ammonium salt. The SPIP could be covalently inserted into PDA coating structures via Michael addition reaction to accelerate the deposition process of PDA and reduce its aggregation. In addition, the rigid and spiro configuration of SPIP molecules provides higher fractional free volume and leads to looser and more uniform structures in the PDA coating. As such, water permeance of PDA/SPIP membranes is 73 ​L ​m−2 ​h−1 bar−1, 4.6 times improved compared with PDA control membranes, while the dye rejection (>99% for Congo red) is maintained high. These results demonstrate that SPIP is an effective molecule for the structure and performance engineering of mussel-inspired PDA nanofiltration membranes.

Xufei Liu

Huawen Peng

Jing Lu

Yanli Ji

Shaoping Li

Jiayin Yuan

Qiang Zhao

Congjie Gao

Bio-inspired polydopamine nanofiltration membranes modulated by spiro-piperazine

受生物启发的多巴胺纳米过滤膜通过螺环哌嗪调节

Huan Liu

Huanni Xia

Rui Yao

Jianqiao Hu

Lifeng Zhang

Hua Jin

Yanshuo Li

Gas transport mechanisms through MOF glass membranes

MOF玻璃膜的气体传输机制

Yuhao Chen

Xun Zhou

Tengfang Zhang

Baosheng Ge

Q. Jason Niu

Haixiang Sun

Rapid preparation of extremely highly permeable covalent organic polymers nanofiltration membranes for alcohol recovery via interfacial polymerization

通过界面聚合快速制备用于酒精回收的超高渗透共价有机聚合物纳滤膜

Fanmengjing Wang

Yizhihao Lu

Kaiqiang He

Philip J. Marriott

Matthew R. Hill

Huanting Wang

Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution

通过手性诱导制备COF基膜以实现高效的对映选择性分离

Yanqing Xu

Jiaqi Xiong

Chenfei Lin

Yixiang Yu

Qite Qiu

Junbin Liao

Huimin Ruan

Arcadio Sotto

Jiangnan Shen

Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity

基于甲氧基的共价有机框架膜实现高效的近分子量选择性

Wei Wang

Yunfei Sun

Xiaofen Liu

Ming Wei

Chenyi Zhao

Kai-Ge Zhou

Meiling Wu

Hydroxide exchange membranes towards water electrolysis and fuel cells: A review on the recent advances, challenges and opportunities

氢氧化物交换膜在水电解和燃料电池中的应用：近期进展、挑战与机遇综述

Meixia Shan

Chaoqun Niu

Decheng Liu

Dongyang Li

Xueling Wang

Junyong Zhu

Qun Xu

Jorge Gascon

Yatao Zhang

Molecular soldered COF membrane with crystalline-amorphous heterointerface for fast organic solvent nanofiltration

分子焊接的晶-非晶异质界面共价有机框架膜用于快速有机溶剂纳滤

ISSN	2772-8234
h-index	13

Publication Information	Publisher: KeAi Communications Co.，Publishing cycle: ，Journal Type: journal，Open Access Journals: Yes
Basic data	Year of publication: 2021，Proportion of original research papers: ，Self Citation Rate:， Gold OA Rate:
Journal Fees	$840Details
Average review cycle	10 weeks

Advanced Membranes

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Bio-inspired polydopamine nanofiltration membranes modulated by spiro-piperazine

Gas transport mechanisms through MOF glass membranes

Rapid preparation of extremely highly permeable covalent organic polymers nanofiltration membranes for alcohol recovery via interfacial polymerization

Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution

Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity

Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution

Robust methoxy-based covalent organic frameworks membranes enable efficient near-molecular-weight selectivity

Hydroxide exchange membranes towards water electrolysis and fuel cells: A review on the recent advances, challenges and opportunities

Molecular soldered COF membrane with crystalline-amorphous heterointerface for fast organic solvent nanofiltration

Three-dimensional covalent organic frameworks for advanced membrane separations