Chaudhuri, Debangshu Metal-free OLED triplet emitters by side-stepping Kasha's rule. [electronic resource] - Angewandte Chemie (International ed. in English) Dec 2013 - 13449-52 p. digital Publication Type: Journal Article ISSN: 1521-3773 Standard No.: 10.1002/anie.201307601 doi