| Budget Amount *help |
¥45,500,000 (Direct Cost: ¥35,000,000、Indirect Cost: ¥10,500,000)
Fiscal Year 2016: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2015: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2014: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2013: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2012: ¥8,970,000 (Direct Cost: ¥6,900,000、Indirect Cost: ¥2,070,000)
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| Outline of Final Research Achievements |
In this study, we handled an excited triplet trimethylenemethane (TMM) as an example of a redox-responsible open-shell chemical species with highly emissive properties. This chemical species is generated in an organic light-emitting diodes whose light-emitting layer was doped with a methylenecyclopropane (MCP) derivative, and functions as a light-emitting element. We named it "organic radical light-emitting diodes". We also studied another MCP and found an adiabatic bond cleavage reaction where its excited triplet state directly give the excited triplet TMM. This reaction is followed by luminescence phenomenon and thus we named it "the excited state C-C bond cleavage-luminescence". Besides, we have obtained important insights into the emissive properties of open-shell chemical species, for example, an efficient upconversion by intramolecular triplet-triplet annihilation and a discovery of a novel luminescent species "excited multimer" in crystal.
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