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首页> 外文会议>Symposium on nanotechnology general session;Meeting of the Electrochemical Society >Preparation of Silver Nanoparticles-Nafion Membrane Composite by Photoreduction Process
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Preparation of Silver Nanoparticles-Nafion Membrane Composite by Photoreduction Process

机译：光还原法制备银纳米颗粒-Nafion膜复合材料

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Preparation method of silver nanoparticles (AgNPs) dispersed in Nafion 115 membrane using UV photoreduction process was established. The loading amount of AgNPs was controlled with UV irradiation time. AgNPs might exist in ionic cluster channel in Nafion membrane stably without any stabilizing reagent. The particle size was measured by transmission electron microscope (TEM). The mean particle size was ca. 13 nm in diameter. The obtained nanocomposite membrane has absorption bands due to local surface plasmon resonance (LSPR) at around 400 nm. The band position depends on the refractive index of suspension as expected by Mie theory. Furthermore very little amount of solvent affected the LSPR bands sensitively due to changing the highly localized refractive index.
机译：建立了用紫外光还原法制备分散在Nafion 115膜中的银纳米粒子的方法。 AgNP的负载量由UV照射时间控制。在没有任何稳定剂的情况下，AgNPs可能稳定存在于Nafion膜的离子簇通道中。通过透射电子显微镜（TEM）测量粒度。平均粒度为约。直径13纳米。所获得的纳米复合膜由于在约400nm处的局部表面等离子体共振（LSPR）而具有吸收带。带的位置取决于米氏理论所预期的悬浮液的折射率。此外，由于改变了高度局部的折射率，很少量的溶剂敏感地影响LSPR谱带。

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