WHAT LOWERS THE EFFICIENCY OF AN ENERGY TRANSFER REACTION BETWEEN PORPHYRIN DYES ON CLAY SURFACE?(TMC2010)

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概要

• 論文の詳細を見る

• Excited energy transfer reaction from tetrakis(1-methylpyridinium-2-yl) porphyrin (o-TMPyP) to tetrakis(1-methylpyridinium-4-yl) porphyrin (p-TMPyP) on an anionic clay surface was investigated. The energy transfer efficiency and quenching efficiency due to an electron transfer were quantitatively estimated. Both the energy transfer efficiency and quenching efficiency increased as the dye loadings increased. By a comparison with the results of other porphyrin combination systems, it was found that the major factor for lowering the energy transfer efficiency was the self-quenching of the donor porphyrin on the clay surface. Since the self-quenching was effectively suppressed by the strong adsorption of porphyrin on the clay surface due to the Size-Matching Effect, relatively efficient energy transfer was achieved. For constructing an efficient energy transfer system, such as an artificial light-harvesting system, a suppression of the self-quenching of dyes on the clay surface should be important.

• 日本粘土学会の論文

著者

• Masui Dai

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Inoue H

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Inoue Haruo

  Department Of Applied Chemistry Graduate Course Of Engineering Tokyo Metropolitan University

• Ishida Yohei

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Inoue Haruo

  Department Of Applied Chemistry Graduate School Of Engineering Tokyo Metropolitan University

• Inoue H

  Crest Jst (japan Science And Technology)

• Takagi Shinsuke

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Takagi Shinsuke

  Department Of Industrial Chemistry Faculty Of Technology Tokyo Metropolitan University

• Shimada Tetsuya

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Tachibana Hiroshi

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan U

• Takagi S

  Nagoya Inst. Technology Nagoya

• Shimada T

  Department Of Applied Chemistry Shibaura Institute Of Technology

• Fujimura Takuya

  Department Of Orthopaedic Surgery And Rheumatology Tokushima Kensei (co-op) Hospital

• Fujimura Takuya

  Department Of Applied Chemistry Graduate Course Of Urban Environmental Sciences Tokyo Metropolitan University

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