White light emission from a single organic molecule with dual phosphorescence at room temperature.
White light emission from a single organic molecule with dual phosphorescence at room temperature.
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室温下具有双磷光的单个有机分子发射白光
DOI:
10.1038/s41467-017-00362-5
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发表时间:
2017-09-04
影响因子:
16.6
通讯作者:
Tang BZ
中科院分区:
文献类型:
--
作者:
He Z;Zhao W;Lam JWY;Peng Q;Ma H;Liang G;Shuai Z;Tang BZ
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.
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影响因子:
16.6
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通讯作者:
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通讯作者:
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