Graphene-based materials for environmental applications: a review

The recent discovery and synthesis of graphene materials have led to many applications in various fields such as medicine, energy and environment. Here, we review the synthesis, functionalization, properties and applications of graphene materials with focus on environmental applications such as dete...

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Bibliographic Details
Published in:Environmental chemistry letters 2021-10, Vol.19 (5), p.3631-3644
Main Authors: Karthik, V., Selvakumar, P., Senthil Kumar, P., Vo, Dai-Viet N., Gokulakrishnan, M., Keerthana, P., Tamil Elakkiya, V., Rajeswari, R.
Format: Article
Language:English
Subjects:
Adsorption
Analytical Chemistry
Copper
Dyes
Earth and Environmental Science
Ecotoxicology
energy
Environment
Environmental Chemistry
Geochemistry
Graphene
Heavy metals
Hybrid systems
Lead
Medical sciences
medicine
Metal ions
Photocatalysis
Pollutants
Pollution
Pollution detection
Response time
Review
Synthesis
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Summary:The recent discovery and synthesis of graphene materials have led to many applications in various fields such as medicine, energy and environment. Here, we review the synthesis, functionalization, properties and applications of graphene materials with focus on environmental applications such as detection and adsorption of pollutants, and photocatalysis. For instance, hybrid systems can detect pollutants at levels of 0.1 nM Pb 2+ , 5 nM Hg 2+ and 0.3 μmol Cu 2+ per L with a faster response time. Graphene-based materials have adsorption capacities ranging from 21 to 117.5 mg/g for  metal ions, and from 1 to 827 mg/g for organic pollutants. Graphene oxide-based photocatalytic devices allow more than 95% of dye degradation.
ISSN:1610-3653
1610-3661
DOI:10.1007/s10311-021-01262-3