DataVXACS Applied Materials & InterfacesPaper
journal article·2017-03-22

Ultrafast Nanofiltration through Large-Area Single-Layered Graphene Membranes

Yanzhe Qin, Yongyou Hu, Stephan Koehler, Liheng Cai, Junjie Wen, Xiaojun Tan, Weiwei L. Xu, Qian Sheng, Xu Hou, Jianming Xue, Miao Yu, David Weitz

ACS Applied Materials & Interfaces· Volume 9· Issue 11
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Source abstract

Abstract

Perforated single-layered graphene has demonstrated selectivity and flux that is orders of magnitude greater than state-of-the-art polymer membranes. However, only individual graphene sheets with sizes up to tens of micrometers have been successfully fabricated for pressurized permeation studies. Scaling-up and reinforcement of these atomic membranes with minimum cracks and pinholes remains a major hurdle for practical applications. We develop a large-area in situ, phase-inversion casting technique to create 63 cm 2 high-quality single-layered perforated graphene membranes for ultrafast nanofiltration that can operate at pressures up to 50 bar. This result demonstrates the feasibility of our technique for creating robust large-area, high quality, single-layered graphene and its potential use as a pressurized nanofiltration membrane.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsComposites

OpenAlex topics: Graphene research and applications · Nanopore and Nanochannel Transport Studies · Membrane Separation Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China

John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138, United States

Department of Chemical Engineering, Catalysis for Renewable Fuels Center, University of South Carolina, Columbia, South Carolina 29208, United States

State Key Lab of Nuclear Physics and Technology, Beijing University, Beijing 100871, China

Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

Funding

China Scholarship Council · National Science Foundation

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