Environmental applications of metal-organic framework-based three-dimensional macrostructures: a review

Area of Science:

• Materials Science
• Environmental Science
• Chemistry

Background:

• Metal-organic frameworks (MOFs) show great potential for environmental remediation due to their unique structures and high performance.
• However, practical applications are hindered by MOFs' fragility, insolubility, and poor processability, leading to issues like loss, difficult recovery, and potential toxicity.
• MOF-based three-dimensional macrostructures (3DMs) combine MOF advantages with bulk material properties, addressing these limitations.

Purpose of the Study:

• To provide a comprehensive review of MOF-based 3DMs for environmental remediation.
• To highlight recent advancements in their preparation, characterization, and application.
• To discuss challenges and future prospects for these materials in environmental applications.

Main Methods:

• Review of recent scientific literature on MOF-based 3DMs.
• Analysis of MOF-based 3DMs' characteristics, preparation strategies, and characterization techniques.
• Evaluation of their performance in pollutant adsorption, catalysis, and detection.

Main Results:

• MOF-based 3DMs possess high surface area, tunable pores, and customizable structures, along with hierarchical organization and structural flexibility.
• These macrostructures demonstrate rapid mass transfer and enhanced practicality, making them suitable for environmental remediation.
• Significant advancements have been made in their application for pollutant adsorption, catalysis, and detection.

Conclusions:

• MOF-based 3DMs offer a promising solution to overcome the limitations of traditional MOFs in environmental remediation.
• Their unique properties facilitate efficient pollutant removal, catalytic degradation, and sensitive detection.
• Further research and development are crucial to fully realize the potential of MOF-based materials in diverse environmental applications.