Emerging Molecular Antiferroelectrics: Advances and Prospects

Area of Science:

• Materials Science
• Solid State Physics

Background:

• Antiferroelectrics (AFEs) are crucial for electronic devices due to their reversible antipolar-polar phase transformation.
• Molecular antiferroelectrics, composed of organic molecules or hybrids, present diverse structures and facile synthesis.

Purpose of the Study:

• To review the current research progress in molecular antiferroelectrics.
• To highlight their structures, properties, and applications in energy storage, electrocaloric refrigeration, and electrostriction.

Main Methods:

• Literature review of molecular antiferroelectric research.
• Analysis of structure-property relationships.
• Exploration of application potential.

Main Results:

• Molecular AFEs exhibit intriguing antiferroelectricity due to weak interactions, leading to lower energy barriers.
• These materials show significant potential for highly efficient, low-consumption electronics.
• Applications span energy storage, electrocaloric cooling, and electrostriction.

Conclusions:

• Molecular AFEs offer a versatile platform for advancing antiferroelectric functionality beyond traditional inorganic systems.
• They present opportunities for developing next-generation electronic devices with enhanced performance and efficiency.
• Further research is needed to overcome current challenges and unlock their full potential.