2015 Fiscal Year Final Research Report
Development of wavelength-tunable laser (at around 500-600 nm) media employing rare-earth complexes dispersed in organogels
| Project/Area Number |
25410211
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Organic and hybrid materials
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| Research Institution | Shimane University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
Harada Takashi 島根大学, 教育学部, 特任講師 (20613649)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Keywords | オルガノゲル / 自己組織化 / 発光材料 / 4f-4f遷移 |
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| Outline of Final Research Achievements |
Rare earth complexes were dispersed in self-assembly organogels to develop lasing materials including strong emitters with high emission quantum yield, Φ. In the present study we synthesized Ce complexes that emit in the violet - blue regions, which is not achieved by conventional Eu or Tb complexes. Ce complexes have an advantage of using 4f-5d transitions that cover the blue emissions. For Eu complexes, on the other hand, we update Φ = 46% in this study whereas Φ = 22% in the previous works. The heavy atoms introduced in the ligands hinder the path to the intramolecular vibrational process, which contributes to the efficient Φ value.
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| Free Research Field |
ナノ材料化学
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