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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >An approach to surface functionalization of indium tin oxide for regular growth of silver nano-particles and their optical features
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An approach to surface functionalization of indium tin oxide for regular growth of silver nano-particles and their optical features

机译：一种用于铟纳米粒子规则生长的铟锡氧化物的表面功能化方法及其光学特征

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摘要

A new strategy derived from seed-mediated growth was applied to attach and grow dense and uniform silver nanoparticles (AgNPs) on indium tin oxide (ITO) thin films deposited on glass substrate. This approach allowed obtaining narrower nanoparticle's size distribution and a much denser attachment compared with the classical seed-mediated growth method. Adjusting growth time permitted preparing relatively small and uniform Ag nanoparticles of less than 40 nm in size. The size, density and the regularity of AgNPs were found to be slightly affected by the nature of ITO substrate, which thus affects the plasmon absorbance spectra. The observed differences are attributed to the cavities existing between large grains and sub-grains of ITO thin films.
机译：应用了一种从种子介导的生长中获得的新策略，以在玻璃基板上沉积的铟锡氧化物（ITO）薄膜上附着并生长致密且均匀的银纳米颗粒（AgNP）。与经典的种子介导的生长方法相比，这种方法可以得到更窄的纳米颗粒尺寸分布和更紧密的附着。调节生长时间允许制备尺寸小于40 nm的相对较小且均匀的Ag纳米颗粒。发现AgNPs的大小，密度和规则性受ITO基板性质的影响略有不同，从而影响了等离激元吸收光谱。观察到的差异归因于ITO薄膜的大晶粒和亚晶粒之间存在的空洞。

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