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Related Experiment Video

Updated: Jan 29, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Ultrafast molecular sieving through functionalized graphene membranes.

Ji-Heng Ding¹, Hong-Ran Zhao¹, Dong Ji¹

¹Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China. zhaohongran@nimte.ac.cn haibinyu@nimte.ac.cn.

|February 14, 2019

Summary

We developed advanced graphene nanoplatelet (GnP) membranes for superior filtration. These stable, green-prepared membranes offer high flux and selectivity for water purification and solvent filtration.

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Area of Science:

Materials Science
Nanotechnology
Chemical Engineering

Background:

Graphene nanoplatelets (GnPs) offer potential for advanced filtration membranes.
Existing methods for GnP preparation can be inefficient or environmentally taxing.

Purpose of the Study:

To demonstrate filtration membranes with superior separation performance using graphene nanoplatelets.
To utilize a green preparation method for efficient GnP synthesis.

Main Methods:

Preparation of 100-500 nm graphene nanoplatelets (GnPs) via a green method.
Fabrication of filtration membranes utilizing the prepared GnPs.
Evaluation of membrane performance in water and organic solvent filtration.

Main Results:

The GnP membranes exhibited a well-packed layer structure.
Membranes demonstrated high stability in various media, including acidic and alkaline solutions.
High fluxes and good selectivity were achieved in both water and organic solvent filtration.

Conclusions:

Graphene nanoplatelet membranes prepared via a green method show excellent stability and separation performance.
These membranes hold significant potential for practical applications in water purification and organic solvent filtration.