Recent advances in persistent luminescence based on molecular hybrid materials

Area of Science:

• Materials Science
• Chemistry

Background:

• Molecular persistently luminescent materials are gaining attention for applications in optical displays, biological imaging, chemical sensing, and security.
• Recent research focuses on molecular hybrid materials for improved luminescence properties.

Purpose of the Study:

• To systematically review recent advances in molecular hybrid persistently luminescent materials.
• To explore synthesis strategies, property tuning, and applications of these novel materials.

Main Methods:

• Review of existing literature on molecular hybrid persistent luminescent materials.
• Categorization of synthesis strategies: inorganics/organics, organics/organics, and organics/polymer systems.
• Analysis of experimental and theoretical approaches to room-temperature phosphorescence and thermally-activated delayed fluorescence.

Main Results:

• Molecular hybrids exhibit synergistic effects, enhancing luminescence lifetimes and efficiencies.
• Key physical properties, such as singlet-triplet excited state energies, can be tuned by controlling chemical interactions and molecular orientation.
• Advances in room-temperature phosphorescence and thermally-activated delayed fluorescence are discussed.

Conclusions:

• Molecular hybrid materials represent a promising class of persistent luminescent materials.
• Further research is needed to address current challenges and explore future opportunities in this field.