Two boron atoms versus one: high-performance deep-blue multi-resonance thermally activated delayed fluorescence emitters

Chin Yiu Chan, Subeesh Madayanad Suresh, Yi Ting Lee, Youichi Tsuchiya, Tomas Matulaitis, David Hall, Alexandra M.Z. Slawin, Stuart Warriner, David Beljonne, Yoann Olivier, Chihaya Adachi, Eli Zysman-Colman