Synthesis of Shape-Controlled Cerium Oxide Nanoparticles by Forced Thin-Film Type Reactor

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  • 強制薄膜式リアクターを用いた酸化セリウムナノ粒子の形状の制御
  • キョウセイ ハクマクシキ リアクター オ モチイタ サンカ セリウムナノ リュウシ ノ ケイジョウ ノ セイギョ

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<p>Cerium oxide nanoparticles were synthesized using the Forced Thin-Film Type Reactor (FTFR). The precipitation solution was changed from aqueous sodium hydroxide to ammonia solutions. By adjusting the mixing ratio of trivalent and tetravalent cerium ions in the solutions and varying the cerium ion concentration, the shape of the particles varied from spherical to truncated octahedron and irregular shape to cuboidal to truncated octahedral. It was estimated that the change in particle shape could be attributed to the difference in the concentration of dissolved oxygen and hydroxide ion in each solution.</p>

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