銀ナノ粒子の局在表面プラズモン共鳴を利用した狭バンドギャップ強誘電体薄膜の光誘起特性向上

書誌事項

タイトル別名
  • Improvement of Photoinduced Properties of Narrow Bandgap Ferroelectric Thin Film Utilizing Localized Surface Plasmon Resonance of Silver Nanoparticles
  • ギン ナノ リュウシ ノ キョクザイヒョウメン プラズモン キョウメイ オ リヨウ シタ キョウバンドギャップ キョウ ユウデンタイ ハクマク ノ ヒカリ ユウキ トクセイ コウジョウ

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抄録

<p>Recently, ferroelectrics with relatively small bandgap energy have been receiving much attention because of the characteristic photoinduced electrical responses under visible light irradiation. However, such photoresponsive materials have serious problems such as poor photoelectric conversion properties, especially low photocurrent. It revealed that incorporation of silver (Ag) nanoparticles in the film as a surface plasmon excitation agent is effective to enhance photocurrent of narrow bandgap ferroelectric (such as BiFeO3) thin films. The synthesized BiFeO3 and Ag nanoparticle/BiFeO3 thin films demonstrated rapid on/off responses of photocurrent to visible light. The Ag nanoparticle-embedded BiFeO3 film exhibited a several times higher photocurrent than the BiFeO3 film.</p>

収録刊行物

  • 粉体工学会誌

    粉体工学会誌 54 (12), 809-816, 2017

    一般社団法人 粉体工学会

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