Proton Conductive Lanthanide-Based Metal-Organic Frameworks: Synthesis Strategies, Structural Features, and Recent...

Area of Science:

• Materials Science
• Chemistry
• Electrochemistry

Background:

• Proton conductive materials are crucial for proton exchange membrane fuel cells (PEMFCs), molecular sieves, and biochemistry.
• Developing next-generation proton conductive materials with high conductivity and water stability, such as crystalline metal-organic frameworks (MOFs), presents significant challenges.

Purpose of the Study:

• This review consolidates the latest advancements in proton conductive lanthanide-based MOFs (Ln-MOFs).
• It explores synthesis strategies, structural characteristics, proton conductivity, conductive mechanisms, and applications of Ln-MOFs.
• The review aims to identify design principles and future development directions for Ln-MOFs by analyzing structure-property relationships.

Main Methods:

• Literature review of recent research on proton conductive Ln-MOFs.
• Analysis of synthesis strategies and structural features of Ln-MOFs.
• Evaluation of proton conductivity, mechanisms, and stability data.

Main Results:

• Ln-MOFs exhibit superior water stability compared to transition metal analogues due to lanthanide properties.
• Ln-MOFs demonstrate significant potential for high proton conductivity.
• Structure-property relationships offer insights into designing advanced Ln-MOFs.

Conclusions:

• Ln-MOFs are highly promising candidates for next-generation proton conductive materials.
• Further research into their synthesis and structural design can optimize their performance for applications like PEMFCs.
• Understanding structure-property correlations is key to unlocking the full potential of Ln-MOFs.