Synergy of intramolecular hydrogen bonding and π-bridge locking enables high-efficiency red/NIR electroluminescence

Key Points

• The study aims to improve the electroluminescence efficiency of red/NIR OLEDs using TADF emitters through synergistic molecular design.
• Developed new TADF emitters incorporating intramolecular hydrogen bonding and π-bridge locking.
• Assessed electroluminescence performance in red/NIR organic light-emitting diodes.
• The new emitters showed significantly improved electroluminescence efficiencies.
• Demonstrated a notable enhancement in red/NIR emission compared to conventional counterparts.