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Novel photorecording langmuir-blodgett films

Authors

  • Dr. Minghua Liu,

    Corresponding author
    1. The Institute of Physical and Chemical Research (RIKEN) Wako-shi, 351-01, Saitama (Japan)
    Current affiliation:
    1. Graduate School of Bio-application and Systems Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
    • The Institute of Physical and Chemical Research (RIKEN) Wako-shi, 351-01, Saitama (Japan)
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  • Dr. Kiminori Ushida,

    1. The Institute of Physical and Chemical Research (RIKEN) Wako-shi, 351-01, Saitama (Japan)
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  • Dr. Hiroo Nakahara,

    1. Department of Chemistry, Faculty of Science Saitama University Urawa 338 (Japan)
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  • Dr. Akira Kira

    1. The Institute of Physical and Chemical Research (RIKEN) Wako-shi, 351-01, Saitama (Japan)
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  • This work was supported by the Basic Science Program, Science and Technology Agency (STA) of Japan.

Abstract

A photocontrolled reaction of Langmuir-Blodgett (LB) films with transition metal ions is demonstrated to be suitable as the basis of a new method of photorecording. The setup required for recording is described and experiments on TARC18 and PARC18 films (a thiazolylazophenol and a pyridylazophenol derivative, respectively) are reported. Advantages compared to previously known techniques of photorecording in LB films are pointed out, for example, that differently colored states can be achieved with a single chelating reagent simply by changing the metal ions.

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