Photosensitized Luminescence of Highly Thermostable Mononuclear Eu(Ⅲ) Complexes with π-Expanded β-Diketonate Ligands
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<jats:title>Abstract</jats:title> <jats:p>Thermostable mononuclear Eu(III) complexes with a π-expanded system, [Eu(btfa)3(DPEPO)] and [Eu(ntfa)3(DPEPO)] (DPEPO: bis[2-(diphenylphosphino)phenyl] ether oxide, btfa: benzoyltrifluoroacetonate, ntfa: 3-(2-naphthoyl)-1,1,1-trifluoroacetonate), are reported. Decomposition temperature (dp) of [Eu(btfa)3(DPEPO)] and that of [Eu(ntfa)3(DPEPO)] are estimated to be 320 °C and 318 °C, respectively. These values are higher than that of the previous [Eu(hfa)3(DPEPO)] (hfa: hexafluoroacetylacetonate, dp = 228 °C). The photosensitized emission quantum yield Φπ–π* and photosensitized energy transfer efficiency ηsens of [Eu(ntfa)3(DPEPO)] (Φπ–π* = 45%, ηsens = 77%) are larger than those of [Eu(btfa)3(DPEPO)] (Φπ–π* = 38%, ηsens = 55%). The thermostable Eu(III) complex with a π-expanded system is expected to be useful for fabrication of LED devices.</jats:p>
収録刊行物
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 90 (12), 1287-1292, 2017-12
Tokyo : Chemical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1523951030342276480
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- NII論文ID
- 130006250387
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- NII書誌ID
- AA00580132
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- ISSN
- 00092673
- 13480634
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- NDL書誌ID
- 028707545
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- 本文言語コード
- en
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- NDL 雑誌分類
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- ZP1(科学技術--化学・化学工業)
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- データソース種別
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- NDL
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