Suppressing Nonradiative Decay via Molecular Configuration Control in Cu(I)–Halide Clusters Enables Highly Efficient Green and Green-Sensitized Blue OLEDs

Key Points

• This research aims to enhance the efficiency of copper(I) complex-based OLEDs by controlling molecular configurations to suppress nonradiative decay.
• Analyzed molecular configurations of Cu(I)–halide clusters
• Investigated nonradiative decay mechanisms
• Evaluated efficiency of green and blue OLEDs with modified configurations
• Demonstrated significant reduction in nonradiative decay
• Achieved higher emission efficiency in OLEDs
• Showed improved film-forming ability of copper(I) complexes