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    Anisotropic photochemical energy transfer in clay/porphyrin system prepared by size-matching effect and Langmuir-Blodgett technique

    Year: 2015

    Journal: JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, Vol. 313, p 15-18, 20170208

    Authors: Ohtani, Yuta; Nishinaka, Hiromasa; Hoshino, Shota; Shimada, Tetsuya; Takagi, Shinsuke

    Organizations: Tokyo Metropolitan Univ, Dept Appl Chem, Grad Course Urban Environm Sci, Tokyo 1920397, Japan

    Anisotropic energy transfer system was successfully prepared by a combination of Langmuir-Blodgett (LB) technique and Size-matching effect. Tetrakis(1-methylpyridinium-3-yl) porphyrin (m-TMPyP) and tetrakis(1-methylpyridinium-4-yl) porphyrin (p-TMPyP) were used as energy donor and acceptor, respectively. High density assembly structure without unfavorable aggregation of them was constructed. In the LB membrane system, efficient anisotropic energy transfer between p-TMPyP and m-TMPyP at different layer proceeded. The maximum energy transfer efficiency was 85%. (C) 2015 Elsevier B.V. All rights reserved.