28.1: Invited Paper: Triplet-Energy Control of PAHs by Heteroatom Incorporation for Development of Efficient Materials for PHOLEDs

The triplet‐energy control of polycyclic aromatic hydrocarbons (PAHs) was achieved by heteroatom incorporation. For instance, 4b‐aza‐12b‐boradibenzo[g,p]chrysene showed a much larger ET value than the corresponding PAH, dibenzo[g,p]chrysene, and enable us to built phosphorescent organic light‐emitti...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2015-06, Vol.46 (1), p.401-403
Main Authors: Hatakeyama, Takuji, Ikuta, Toshiaki, Shiren, Kazushi, Hashimoto, Sigma, Nakatsuka, Soichiro, Hirai, Hiroki, Nakajima, Kiichi, Ni, Jingping, Nakamura, Masaharu
Format: Article
Language:English
Subjects:
Diodes
Heteroatom incorporation
Host material
Organic light-emitting diodes
PHOLED
Polyallylamine hydrochloride
Polycyclic aromatic hydrocarbons
Technical papers
Triplet energy
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Summary:The triplet‐energy control of polycyclic aromatic hydrocarbons (PAHs) was achieved by heteroatom incorporation. For instance, 4b‐aza‐12b‐boradibenzo[g,p]chrysene showed a much larger ET value than the corresponding PAH, dibenzo[g,p]chrysene, and enable us to built phosphorescent organic light‐emitting diodes (PHOLEDs) of high performance. We have also synthesized a variety of heteroatom‐incorporated polycyclic aromatics with a large ET value, which improved not only efficiency of PHOLED but also lifetime.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.10370