Journal ArticleDOI
Graphene-Based Membranes for Water and Wastewater Treatment: A Review
Prangya Bhol,Sudesh Yadav,Ali Altaee,Manav Saxena,Pramila K. Misra,Akshaya K. Samal +5 more
- Vol. 4, Iss: 4, pp 3274-3293
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TLDR
In this paper, a review paper summarizes the next generation hybrid graphene-based membrane materials and their applications in water-efficient water management in the next-generation hybrid membrane materials based on water harvesting.Abstract:
Increasing population and industrial growth, combined with climate change, led to global water problems. This review paper summarizes the next-generation hybrid graphene-based membrane materials th...read more
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Journal ArticleDOI
Carbon Quantum Dots for Energy Applications: A Review
Akash S. Rasal,Sudesh Yadav,Anchal Yadav,Anil A. Kashale,Subrahmanya Thagare Manjunatha,Ali Altaee,Jia-Yaw Chang +6 more
TL;DR: Carbon quantum dots (CQDs) have the desirable advantages of low toxicity, environmental friendliness, low cost, photostability, favorable charge transfer with enhanced electronic conductivity, and comparable easy-synthesis protocols.
Journal ArticleDOI
Sustainable toxic dyes removal with advanced materials for clean water production: A comprehensive review
TL;DR: In this article , a review of the potential adsorbents for dye removal were critically reviewed, focusing on the efficient adsorbent to remediate dye-contaminated water.
Journal ArticleDOI
Controlling covalent chemistry on graphene oxide
TL;DR: Graphene oxide (GO) is an alternative material that exhibits high dispersibility in polar solvents, which can be further chemically derivatized as discussed by the authors , however, its high chemical reactivity and low stability may lead to uncontrolled GO derivatives.
Journal ArticleDOI
Innovative progress in graphene derivative-based composite hybrid membranes for the removal of contaminants in wastewater: A review.
TL;DR: Graphene derivatives (graphene oxide) are proved as an innovative carbon materials that are getting more attraction in membrane separation technology because of its unique properties and capability to attain layer-to-layer stacking, existence of high oxygen-based functional groups, and generation of nanochannels that successively enhance the selective pollutants removal performance as discussed by the authors .
Journal ArticleDOI
Recent progress on adsorption and membrane separation for organic contaminants on multi-dimensional graphene
TL;DR: In this paper, the structural characteristics and synthesis methods of multi-dimensional graphene materials are reviewed and highlighted with impressive and unique properties, and the future outlooks, research directions and foreseeable challenges are summarized and prospected as concluding remarks based on their understanding.
References
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Journal ArticleDOI
Preparation and Characterization of Graphene Oxide Paper
Dmitriy A. Dikin,Sasha Stankovich,Eric Zimney,Richard D. Piner,Geoffrey Dommett,Guennadi Evmenenko,SonBinh T. Nguyen,Rodney S. Ruoff +7 more
TL;DR: Graphene oxide paper is reported, a free-standing carbon-based membrane material made by flow-directed assembly of individual graphene oxide sheets that outperforms many other paper-like materials in stiffness and strength.
Journal ArticleDOI
Water conduction through the hydrophobic channel of a carbon nanotube
TL;DR: Observations suggest that carbon nanotubes, with their rigid nonpolar structures, might be exploited as unique molecular channels for water and protons, with the channel occupancy and conductivity tunable by changes in the local channel polarity and solvent conditions.
Journal ArticleDOI
Unimpeded permeation of water through helium-leak-tight graphene-based membranes.
TL;DR: Submicrometer-thick membranes made from graphene oxide can be completely impermeable to liquids, vapors, and gases, including helium, but these membranes allow unimpeded permeation of water (H2O permeates through the membranes at least 1010 times faster than He).
Journal ArticleDOI
Precise and Ultrafast Molecular Sieving Through Graphene Oxide Membranes
Rakesh Joshi,Paola Carbone,FengChao Wang,Vasyl G. Kravets,Yang Su,Irina V. Grigorieva,HengAn Wu,Andre K. Geim,Rahul R. Nair +8 more
TL;DR: This work investigates permeation through micrometer-thick laminates prepared by means of vacuum filtration of graphene oxide suspensions, which reveal that the GO membrane can attract a high concentration of small ions into the membrane, which may explain the fast ion transport.
Journal ArticleDOI
Silver as Antibacterial Agent: Ion, Nanoparticle, and Metal
TL;DR: It can be concluded that the therapeutic window for silver is narrower than often assumed, however, the risks for humans and the environment are probably limited.