Dynamic Ultralong Phosphorescence and Optical Waveguiding Switches in Silver-Organic Complex via Reversible...

Area of Science:

• Materials Science
• Chemistry
• Optics

Background:

• Dynamic ultralong room-temperature phosphorescent (RTP) materials are crucial for advanced sensors, light-emitting devices, and information security.
• Stimuli-responsive properties are key for dynamic material applications.

Purpose of the Study:

• To introduce a novel class of silver (Ag)-organic complexes with direct ultralong RTP.
• To investigate the solvent-responsive properties and potential applications of these complexes.

Main Methods:

• Utilizing the heavy-atom effect of Ag+ ions and coordination polymer assembly.
• Employing solvent-mediated single-crystal-to-single-crystal (SCSC) conversion for property tuning.
• Characterizing the RTP emission and its response to environmental stimuli.

Main Results:

• Demonstrated rare, direct ultralong RTP in Ag-based organic complexes.
• Observed reversible color shifts (green to yellow) in RTP emission due to solvent and humidity variations.
• Enabled color-tunable active optical waveguides and 1D polarization switching.

Conclusions:

• Developed a new strategy for creating dynamically controllable ultralong all-phosphorescent metal-organic complexes.
• Advanced the design of stimuli-responsive 1D photonic systems for information encryption and anti-counterfeiting.
• Highlighted the potential of Ag-organic complexes in advanced optical and security applications.