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首页> 外文期刊>RSC Advances >The hydrothermal synthesis of ultra-high aspect ratio Ag nanoflakes and their performance as conductive fillers in heaters and pastes
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The hydrothermal synthesis of ultra-high aspect ratio Ag nanoflakes and their performance as conductive fillers in heaters and pastes

机译：超高长径比Ag纳米片的水热合成及其在加热器和浆料中作为导电填料的性能

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Ag nanoflakes with a size ranging from 5 to 60 μm, a thickness of several tens of nanometers and an aspect ratio of up to 800 have been synthesized via a hydrothermal method. PVP was used as both a surfactant, inducing anisotropic growth of the Ag nanoflakes, and as a reductant, reducing Ag ~(+) to Ag. An Ag–oxalate complex was used as a precursor, allowing effective control of the kinetic growth of the Ag nanoflakes. Influences on the size and morphology of the Ag nanoflakes, such as H ~(+) concentration and reaction time, were discussed and analyzed. Our method can be easily scaled up for mass production. A large interfacial contact area between the Ag nanoflakes with more electrical channels makes the Ag nanoflakes excellent conductive fillers.
机译：通过水热法合成了尺寸为5〜60μm，厚度为几十纳米，长径比为800的Ag纳米薄片。 PVP既用作表面活性剂（诱导Ag纳米片的各向异性生长），又用作还原剂，将Ag〜（+）还原为Ag。草酸银复合物用作前体，可以有效控制银纳米薄片的动力学生长。讨论和分析了对银纳米薄片的尺寸和形态的影响，例如H〜（+）浓度和反应时间。我们的方法可以轻松地按比例放大以进行批量生产。 Ag纳米片与更多电通道之间的大界面接触面积使Ag纳米片成为出色的导电填料。

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