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Energy transfer dynamics in wire-type dendrimers having oligophenylene peripheries
http://hdl.handle.net/2298/8518
http://hdl.handle.net/2298/851855b7f60b-7bb1-499c-8399-5269cd2fb929
名前 / ファイル | ライセンス | アクション |
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We-P4-37-20070709.pdf (158.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-07-25 | |||||
タイトル | ||||||
タイトル | Energy transfer dynamics in wire-type dendrimers having oligophenylene peripheries | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | dendrimer, energy transfer, Wire-type dendrimer, Light harvesting, Rapid energy transfe, Poly-p-phenylenevinylene, Oligophenylene | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
赤井, 一郎
× 赤井, 一郎× 樋口, 正幸× 鐘本, 勝一× 唐沢, 力× 橋本, 秀樹× 木村, 睦 |
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別言語の著者 |
赤井, 一郎
× 赤井, 一郎× 樋口, 正幸× 鐘本, 勝一× 唐沢, 力× 橋本, 秀樹× 木村, 睦 |
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内容記述 | ||||||
内容記述 | Energy transfer and shielding effect are studied in wire-type dendrimers (GnPPV: n-th generation dendrimer with poly(p-phenylenevinylene) backbone; n = 1, 2) having oligophenylene light-harvesting (LH) antenna. Following the excitation of the LH-antennae, backbone-polymers in GnPPV give rise to intense photoluminescence (PL) bands. This is due to the presence of highly efficient energy transfer from the LH-antennae to the backbone-polymers. The intensity of backbone-PL increases faster than the decay of the antenna-PL. This result indicates that rapid energy-transfer from antenna to backbone takes place utilizing the overlap of wavefunctions in the excited states. In G2PPV having larger LH-antenna, shielding effect against inter-backbone interactions is recognized more effectively than G1PPV. In solid films of GnPPV, red shifts of the backbone-PL bands are observed. This is caused by inter-backbone interactions of the wire-type dendrimers due to aggregation. The extent of the red shift in G2PPV is smaller than that of G1PPV. This result suggests that the larger LH-antenna in G2PPV substantially wraps its backbone-polymer and shields the inter-backbone interactions. | |||||
書誌情報 |
Journal of Luminescence 巻 128, 号 5-6, p. 948-951, 発行年 2008 |
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書誌レコードID | ||||||
収録物識別子 | AA00701292 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | 10.1016/j.jlumin.2007.11.036 | |||||
権利 | ||||||
権利情報 | Copyright © 2007 Elsevier B.V. All rights reserved | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
158693 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
日本十進分類法 | ||||||
主題 | 500 | |||||
出版者 | ||||||
出版者 | Elsevier Science B.V. | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 |