Journal of Computer Chemistry, Japan
Online ISSN : 1347-3824
Print ISSN : 1347-1767
ISSN-L : 1347-1767
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Fluorescence via Reverse Intersystem Crossing from Higher Triplet States
Tohru SATO
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2016 年 14 巻 6 号 p. 189-192

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A high external quantum efficiency observed for organic light-emitting diodes using PTZ-BZP (PTZ: 10-hexyl-phenothiazin, and BZP:4-phenyl-2,1,3-benzothiadiazole) is attributed to fluorescence from S1 via reverse intersystem crossing from the T3 or T2 state under electrical excitation. The radiative and non-radiative transitions from these higher triplet states to the lower triplet states are suppressed because of their small overlap densities. In this study, a principle to design such an electronic structure is proposed.

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© 2016 Society of Computer Chemistry, Japan
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