Multivariate Flexible Metal-Organic Frameworks and Covalent Organic Frameworks

Area of Science:

• Materials Science
• Chemistry

Background:

• Flexible multivariate open framework materials (OFMs), including covalent organic frameworks (COFs) and metal-organic frameworks (MOFs), are crucial for advanced applications.
• These materials offer precise control over their internal environment through functional groups and structural adaptations.
• A critical evaluation of their chemistry and implementation prospects is currently lacking.

Purpose of the Study:

• To provide a comprehensive historical context of flexible OFMs.
• To critically review achievements in the chemistry and applications of multivariate flexible OFMs.
• To identify obstacles and future prospects for the development and implementation of these materials.

Main Methods:

• Historical review of "classical" flexible OFMs, discussing their origin, flexibility modes, and applications.
• Focus on multivariate flexible materials, their synthesis methodologies, and application horizons.
• Introduction to the concept of spatial distribution in flexible OFMs.

Main Results:

• Exploration of the evolution and diverse applications of flexible OFMs.
• Detailed examination of synthesis strategies and potential uses of multivariate flexible materials.
• Elucidation of spatial distribution concepts within these frameworks.

Conclusions:

• Flexible OFMs represent a significant advancement in materials science with broad applicability.
• Further research is needed to overcome challenges and fully realize the potential of multivariate flexible OFMs.
• This review provides a critical perspective on the field's current status and future directions.