Chemically induced morphology change in cluster-based nanostructures

Chemically induced morphology change in cluster-based nanostructures
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基于簇的纳米结构的化学诱导形态变化

DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
C. Bréchignac
C. Bréchignac
中科院分区：
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文献类型：
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作者：
A. Lando;N. Kébaïli;P. Cahuzac;C. Colliex;M. Couillard;A. Masson;M. Schmidt;C. Bréchignac

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摘要：携带表面活性剂的预制簇被用作构建纳米结构的主要块。基于银原子的团簇的自组装，软着陆在 HOPG 表面上，根据杂质的性质和浓度，产生多种新的结构。分形形状破碎成多个紧凑的岛状，并可能形成链状结构。岛表面银原子迁移率的强烈局部增强是造成这些形态变化的原因。
Abstract.Preformed clusters carrying surfactant are used as primary blocks for the building of nano structures. Self assembly of silver atom based clusters, soft landed on a HOPG surface, generates a large variety of new architectures depending on the nature and on the concentration of the impurities. Fractal shapes fragmented into multiple compact like islands, and chain like structures might be formed. A strong local enhancement of the silver atom mobility at the surface of islands is responsible for those morphology changes.