Progress in metal-organic frameworks facilitated mercury detection and removal

Muthaiah Shellaiah, Kien Wen Sun*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Metal Organic Frameworks (MOFs) are noted as exceptional candidates towards the detection and removal of specific analytes. MOFs were reported in particular for the detection/removal of environmental contaminants, such as heavy metal ions, toxic anions, hazardous gases, explosives, etc. Among heavy metal ions, mercury has been noted as a global hazard because of its high toxicity in the elemental (Hg0), divalent cationic (Hg2+), and methyl mercury (CH3Hg+) forms. To secure the environment and living organisms, many countries have imposed stringent regulations to monitor mercury at all costs. Regarding the detection/removal requirements of mercury, researchers have proposed and reported all kinds of MOFs-based luminescent/non-luminescent probes towards mercury. This review provides valuable information about the MOFs which have been engaged in detection and removal of elemental mercury and Hg2+ ions. Moreover, the involved mechanisms or adsorption isotherms related to sensors or removal studies are clarified for the readers. Finally, advantages and limitations of MOFs in mercury detection/removal are described together with future scopes.

Original languageEnglish
Article number101
Issue number5
StatePublished - May 2021


  • Adsorption isotherms
  • CHHg
  • Elemental mercury
  • Hg
  • Luminescent detection
  • Metal nodes
  • MOFs
  • Non-luminescent probes
  • Organic linkers
  • Real analysis


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