Zeolitic Imidazolate Framework/Graphene Oxide Hybrid Nanosheets Functionalized Thin Film Nanocomposite Membrane for Enhanced Antimicrobial Performance

被引：282

作者：

Wang, Jing ^{[1
,2
]}

Wang, Yuanming ^{[1
]}

Zhang, Yatao ^{[1
]}

Uliana, Adam ^{[2
,3
]}

Zhu, Junyong ^{[2
]}

Liu, Jindun ^{[1
]}

Van der Bruggen, Bart ^{[2
]}

机构：

[1] Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Peoples R China

[2] Katholieke Univ Leuven, Dept Chem Engn, Celestijnenlaan 200F, B-3001 Heverlee, Belgium

[3] Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 38期

基金：

中国国家自然科学基金;

关键词：

in situ growth; graphene oxides; ZIF-8; antimicrobial; nanofiltration; METAL-ORGANIC FRAMEWORKS; HOLLOW-FIBER MEMBRANES; MOLECULAR-SIEVING MEMBRANES; GRAPHENE OXIDE; SOLVENT NANOFILTRATION; POTENTIAL APPLICATIONS; WATER-PURIFICATION; COMPOSITE MEMBRANE; SERUM-ALBUMIN; ANTIBACTERIAL;

D O I：

10.1021/acsami.6b06992

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Inspired by the rational design concept, a novel antimicrobial agent zeolitic imidazolate framework-8 (ZIF-8)/ graphene oxide (GO) was synthesized and utilized as a novel and efficient bactericidal agent to fabricate antimicrobial thin film nanocomposite (TFN) membranes via interfacial polymerization. The resultant hybrid nanosheets not only integrates the merits of both ZIF-8 and GO but also yields a uniform dispersion of ZIF-8 onto GO nanosheets simultaneously, thus effectively eliminating the agglomeration of ZIF-8 in the active layer of membranes. A ZIF-8/ GO thin film nanocomposite (TFN-ZG) membrane with typical water permeability (40.63 L m(-2) h(-2) MPa-1) allows for efficient bivalent salt removal (rejections of Na2SO4 and MgSO4 were 100% and 77%, respectively). Furthermore, the synthesized ZIF-8/GO nanocomposites were verified to have an optimal antimicrobial activity (MIC,128 mu g/mL) in comparison with ZIF-8 and GO separately, which sufficiently endowed the TFN-ZG membrane with excellent antimicrobial activity (84.3% for TFN-ZG3). Besides, the antimicrobial mechanisms of ZIF-8/GO hybrid nanosheets and TFN-ZG membranes were proposed. ZIF-8/GO functionalized membrane with high antimicrobial activity and salt retention denoted its great potential in water desalination, and we suggest that ZIF-8 based crystal may offer a new pathway for the synthesis of a multifunctional bactericide.

引用

页码：25508 / 25519

页数：12

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