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首页> 外文期刊>Crystal growth & design >Growth of high-density gold nanoparticles on an indium tin oxide surface prepared using a 'touch' seed-mediated growth technique
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Growth of high-density gold nanoparticles on an indium tin oxide surface prepared using a 'touch' seed-mediated growth technique

机译：使用“接触”种子介导的生长技术制备的铟锡氧化物表面上高密度金纳米颗粒的生长

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This paper reports our novel approach in an attempt to grow high-density gold nanoparticles on an indium. tin oxide (ITO) surface using an improved "touch" seeding technique, instead of the "normal" seeding approach, in a seed-mediated growth procedure as we reported previously [Kambayashi et al., Cryst. Growth Des. 2005, 5, 81-84]. The present approach provides a simple and useful strategy to promote the growth of gold nanoparticles on ITO surfaces by simply touching the surface that has already been covered with a drop of gold nanoparticle seed solution with a tissue paper. The FE-SEM characterization of the growth of gold nanoparticles on two different surface structures, i.e., rough and smooth structures, has confirmed that this approach is very effective and prospective in fostering the growth of high-density gold nanoparticles with a relatively small size (ca. 10-30 nm) of sphericallike structure. An optical properties study confirmed that the modified ITO system could be used as a functionalized optically transparent electrode for spectro- and photoelectrochemical applications.
机译：本文报道了我们的新方法，旨在在铟上生长高密度金纳米颗粒。如我们先前报道的那样，在种子介导的生长过程中，使用改良的“接触”种子技术而非“常规”种子方法形成了氧化锡（ITO）表面[Kambayashi等，Cryst。增长目标2005，5，81-84]。本方法提供了一种简单而有用的策略，通过用薄纸简单地触摸已经被一滴金纳米颗粒种子溶液覆盖的表面，即可促进ITO表面上金纳米颗粒的生长。两种不同表面结构（即粗糙和光滑的结构）上金纳米颗粒生长的FE-SEM表征已证实，该方法对于促进相对较小尺寸的高密度金纳米颗粒的生长非常有效且具有前瞻性（约10-30 nm）的球形结构。光学性能研究证实，改进的ITO系统可用作光谱和光电化学应用的功能化光学透明电极。

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