Reversible Luminescence Modulation upon an Electric Field on a Full Solid-State Device Based on Lanthanide Dimers

Area of Science:

• Materials Science
• Chemistry
• Physics

Background:

• Electric-field-induced luminescence switching in lanthanide molecules is key for functional devices.
• Traditional methods using casted films and liquid electrolytes hinder solid-state device integration.
• Developing solid-state protocols that mimic solution behavior is crucial.

Purpose of the Study:

• To synthesize novel lanthanide-based dimers with electric-field-responsive luminescence.
• To demonstrate the feasibility of solid-state luminescence modulation using these dimers and a solid-state electrolyte.
• To explore the potential of this approach for information storage applications.

Main Methods:

• Synthesis of specific lanthanide-based dimers with excellent evaporability.
• Utilization of a copper(II) ion (Cu2+)-based solid-state electrolyte.
• Fabrication of a solid-state device enabling electric-field-controlled ion transport.
• Observation and analysis of lanthanide-related luminescence modulation.

Main Results:

• Lanthanide-based dimers exhibiting luminescence sensitive to Cu2+ ions were successfully synthesized.
• The solid-state device successfully reproduced solution-based luminescence modulation.
• Reversible control of Cu2+ ion transport by an electric field was achieved in the solid state.
• Electric-field-driven modulation of lanthanide luminescence was demonstrated.

Conclusions:

• A proof-of-concept for electrically driven modulation of solid-state luminescence was established.
• The developed dimers and solid-state electrolyte system offer a viable alternative to traditional methods.
• This approach shows significant potential for future applications in information storage media.