Recent Advances in Photocatalytic Multivariate Metal Organic Framework (MOFs) Based Nanostructures Toward Renewable Energy and the Removal of Environmental Pollutants

Shilpa Patial, Pankaj Raizada, Vasudha Hasija, Pardeep Singh, Vijay Kumar Thakur, Van-Huy Nguyen

Research output: Contribution to journalReview articlepeer-review

6 Citations (Scopus)

Abstract

Water pollution and energy crises are major problems for the sustainability of the modern world. Solar energy–driven photocatalysis technique is a promising environmental remediation approach. Multivariate metal-organic frameworks (MTV-MOFs) have recently emerged as an exciting class of crystalline materials with flexible tunability in porous structure and composition, rich topology, enhanced surface area, and broad visible-light absorption. The modularity of MOFs can be achieved by altering metal clusters and carbon-containing organic linkers in orderly repeating two- or three-dimensional arrangement. This review presents a discussion on recent advances in MTV-MOFs–based photocatalysis targeted for pollutant degradation, CO 2 reduction, and water splitting. The advantages of MTV-MOFs for diverse photocatalytic applications include structural modulation, functionalized adjustability, and synthesis selectivity of mixed-linker/metal (ML/MM) coordinative bonds. The synthesis methodologies, that is, one-step and postsynthetic routes, have been elaborated for ML/MM MOFs to obtain improved photocatalytic activity. The photocatalytic mechanism, followed by MTV-MOFs heterostructures with metal oxides or carbonaceous semiconductors, was discussed in detail. The discussion is concentrated on structural and topological features via self-assemble of linkers and metal ions in ML/MM MOFs. The future research area should select suitable metal ions/linkers, rational synthesis, and appropriate photocatalytic mechanism of orderly MTV-MOFs.

Original languageEnglish
Article number100589
JournalMaterials Today Energy
Volume19
Early online date21 Nov 2020
DOIs
Publication statusPrint publication - Mar 2021

Keywords

  • Multivariate MOFs
  • mixed linker/mixed-metal MOFs
  • Photocatalysis
  • Pollutant degradation
  • CO2 reduction
  • Water splitting
  • CO reduction
  • Mixed-linker/mixed-metal MOFs

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