It is known that surface plasmon (SP) excitation is useful for evaluation of thin films, sensors and so on. Recently, we reported SP emission light due to luminescent dye in attenuated total reflection (ATR) Kretschmann configuration, that is, prism/metal/luminescent dye film structure. In the SP emission light measurement, excited luminescent dyes induce SP at metal film surface. Then, the SP energy is converted as SP emission light due to prism coupling. Such SPs induced by luminescent dyes strongly depend on the molecular shape and orientation. In this study, molecular aligned naphthacene thin films were fabricated, and ATR and SP emission light properties were investigated.
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