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The size control of silver nanocrystals with different polyols and its application to low-reflection coating materials

机译:不同多元醇对银纳米晶体的尺寸控制及其在低反射涂料中的应用

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The size of silver nanocrystals in polyol synthesis can be simply controlled by tuning the viscosity of the reaction medium such as ethylene glycol, 1,2-propanediol, 1,4-butanediol and 1,5-pentanediol. We found that a higher viscose medium (1,5-pentanediol) led to monodispersed smaller particles thanks to the slow addition of silver atoms into the nuclei. Size-controlled silver nanocrystals of 30 nm were obtained in a viscosity controlled medium of 1,5-pentanediol to synthesize a low refractive index filler by coating with silica and subsequent etching of the silver core. The coated low-reflection layer from the hollow silica nanoparticles on polyethylene terephthalate (PET) film can greatly reduce the reflection of the PET film from 10% to 2% over the entire visible region.
机译:多元醇合成中的银纳米晶体的尺寸可以通过调节反应介质例如乙二醇,1,2-丙二醇,1,4-丁二醇和1,5-戊二醇的粘度来简单地控制。我们发现,由于银原子缓慢添加到原子核中,较高粘度的介质(1,5-戊二醇)导致单分散的较小颗粒。在1,5-戊二醇的粘度控制介质中获得30nm的尺寸受控的银纳米晶体,以通过用二氧化硅涂覆并随后蚀刻银芯来合成低折射率填料。在聚对苯二甲酸乙二酯(PET)薄膜上由空心二氧化硅纳米粒子涂覆的低反射层可以在整个可见光区域将PET薄膜的反射率从10%大大降低到2%。

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