Abstract：
:The development of single molecule white light emitters is extremely challenging for pure phosphorescent metal-free system at room temperature. Here we report a single pure organic phosphor, namely 4-chlorobenzoyldibenzothiophene, emitting white room temperature phosphorescence with Commission Internationale de l'Éclair-age coordinates of (0.33, 0.35). Experimental and theoretical investigations reveal that the white light emission is emerged from dual phosphorescence, which emit from the first and second excited triplet states. We also demonstrate the validity of the strategy to achieve metal-free pure phosphorescent single molecule white light emitters by intrasystem mixing dual room temperature phosphorescence arising from the low- and high-lying triplet states.The development of single molecule white light-emitters is extremely challenging for pure phosphorescent metal-free systems at room temperature. Here the authors show a single pure organic room temperature phosphor, 4-chlorobenzoyldibenzothiophene, utilizing the emission from both T1 and T2 states.
journal_name
Nat Communjournal_title
Nature communicationsauthors
He Z,Zhao W,Lam JWY,Peng Q,Ma H,Liang G,Shuai Z,Tang BZdoi
10.1038/s41467-017-00362-5subject
Has Abstractpub_date
2017-09-04 00:00:00pages
416issue
1issn
2041-1723pii
10.1038/s41467-017-00362-5journal_volume
8pub_type
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