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A study of ultrafast excitonic transfer processes in light-harvesting dendrimers with focusing on their temperature dependence

A study of ultrafast excitonic transfer processes in light-harvesting dendrimers with focusing on their temperature dependence
光捕获树枝状聚合物中超快激子转移过程的研究,重点关注其温度依赖性
批准号:
22340083
负责人:
AKAI Ichiro
金额:
$12.31万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2010
资助国家:
日本
项目状态:
已结题
起止时间:
2010 至 2012

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中文摘要
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英文摘要
In light-harvesting (LH) dendrimer systems, we have found thatDexter type exciton transfer processes take place from LH-antennas to the central coresubunits in ultra-short time region. In the ultrafast processes, it is also clarifiedthat soft-vibrational modes in the LH-antennas, which have very low frequencies, playimportant roles at room temperature for the highly efficient energy transfer in theLH-dendrimers. These results are important and novel guidelines for material designstargeting on practical applications of these related materials.
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DOI: 10.1063/1.3467007
发表时间: 2010-07
期刊: Applied Physics Letters
影响因子: 4
作者: [K. Kanemoto;Akihiko Ogata;N. Inoue;T. Kusumoto;H. Hashimoto;I. Akai;T. Karasawa]
通讯作者: K. Kanemoto;Akihiko Ogata;N. Inoue;T. Kusumoto;H. Hashimoto;I. Akai;T. Karasawa
Thickness Dependence of Excitonic Spectra in Cu2O Thin Films Sandwiched by MgO Substrates
夹有 MgO 基板的 Cu2O 薄膜中激子光谱的厚度依赖性
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [S. Aihara, A. Ota, Y. Yoshizaki, K. Iwamitsu, T. Shimamoto, A. Fujii, I. Akai]
通讯作者: I. Akai
光捕集性アンテナ部品分子の光学スペクトルとその温度依存性II
光捕获天线元件分子的光谱及其温度依赖性II
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [H. Sakakibara, H. Usui, K. Kuroki, R.Arita, H. Aoki, 海江田真祐]
通讯作者: 海江田真祐
Energy transfer efficiency from light harvesting antennas to the core in π-conjugated small dendrimers
从光捕获天线到 π 共轭小树枝状聚合物核心的能量传输效率
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [K.Nakayama, Y.Hirose, J.Soeda, M.Yoshizumi, T.Uemura, M.Uno, W.Li, M.Uno, Jin Kang, M.Yamagishi, Y.Okada, E.Miyazaki, Y.Nakazawa, A.Nakao, K.Takimiya, J.Takeya, 永吉祐子]
通讯作者: 永吉祐子
86
    High Luminosity and Dynamics on High Density electronic Excited States in Nano-Structure Materials
    • 批准号:
      14540308
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.3万
    • 财政年份:
      2002
    • 负责人:
      AKAI Ichiro
    • 依托单位:
    Many Body Effects and Dynamics of High Density Excitons in Semiconductor Nano-Crystals
    • 批准号:
      12640319
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.37万
    • 财政年份:
      2000
    • 负责人:
      AKAI Ichiro
    • 依托单位:
    海外基金