Hiroaki Matsui, Wasanthamala Badalawa, Akifumi Ikehata and Hitoshi Tabata Oxide Surface Plasmon Resonance for a New Sensing Platform in the Near-Infrared Range Advanced Optical Materials 1
Surface plasmon resonance (SPR) is excited on transparent oxide semiconductors “In2O3: Sn” in the near infrared range. Coupling between excitations of surface plasmons and molecular vibrations are demonstrated. The detection sensitivity of oxide-based SPR is close to that of gold-based SPR working in the visible range. These studies evidence the useful potential of oxide-based SPR in the NIR range for sensing applications.
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