2D nanostructures for water purification: graphene and beyond
Saoirse Dervin1, Dionysios D Dionysiou2, Suresh C Pillai1
1Nanotechnology Research Group, Department of Environmental Sciences, Institute of Technology Sligo, Sligo, Ireland and Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Sligo, Ireland. Pillai.suresh@itsligo.ie.
Nanoscale
|August 11, 2016
Summary
Two-dimensional (2D) nanoporous materials offer promising alternatives for water purification membranes due to their unique properties. Graphene and other 2D materials show significant potential for advanced water treatment technologies.
Area of Science:
- Materials Science
- Nanotechnology
- Environmental Engineering
Background:
- Atomically thin 2D nanoporous materials possess large surface area and mechanical strength, making them ideal for water purification.
- Graphene and graphene oxide (GO) membranes show significant potential for desalination and water treatment.
- Existing membrane technologies face limitations that 2D materials could overcome.
Purpose of the Study:
- To review the progress in developing 2D nanoporous materials for water purification.
- To discuss the mechanisms, design, properties, and challenges of graphene-based membranes.
- To highlight recent advancements and applications of various 2D materials in water treatment.
Main Methods:
- Literature review and synthesis of recent research findings.
- Detailed discussion on the properties of 2D materials, including structural design, hydrophilicity, mechanical strength, and antifouling capabilities.
- Analysis of challenges in nanopore generation and application performance.
Main Results:
- Nanoporous graphene and GO membranes exhibit promising performance for water purification.
- Other 2D materials like BN, graphyne, MoS2, WS2, and Ti3C2Tx are emerging as viable candidates.
- Key properties such as molecular sieving, hydrophilicity, and mechanical robustness are crucial for effective water treatment.
Conclusions:
- 2D nanoporous materials represent a significant advancement in water purification technology.
- Further research and development are needed to overcome challenges and fully realize the potential of these materials.
- The field of 2D nanostructures for water treatment is rapidly evolving and expected to grow.
