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金纳米棒@SiO_2核壳粒子及其有机硅复合材料的制备和光学性能研究

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  • Key Words:金纳米棒;;纳米粒子,复合材料,光限幅

  • Abstract:由于金纳米棒的表面等离子体共振吸收的可调性,在实现对可调谐激光器的光学防护领域具有较大的应用潜力,而制备金纳米棒/聚合物复合材料对于成功实现其应用价值有重要意义。本文中制备了不同长径比的金纳米棒,然后利用正硅酸乙酯的水解法制备了金纳米棒@SiO_2核壳粒子,并将金纳米棒@SiO_2核壳粒子相转移至有机硅预聚体中,硫化后制备了金纳米棒/有机硅橡胶薄膜材料。对不同掺杂量的复合材料薄膜的光限幅测试结果表明,金纳米棒的长径比和掺杂浓度对于其光限幅性能都产生影响。

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