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The evolution of size, shape, and surface morphology of gold nanorods
Chemical Communications ( IF 4.3 ) Pub Date : 2018-03-07 00:00:00 , DOI: 10.1039/c7cc08336j
Wenming Tong 1, 2, 3, 4 , Hadas Katz-Boon 2, 3, 4, 5 , Michael J. Walsh 2, 3, 4, 5 , Matthew Weyland 2, 3, 4, 5, 6 , Joanne Etheridge 2, 3, 4, 5, 6 , Alison M. Funston 1, 2, 3, 4
Affiliation  

We investigate the transformation of single crystal gold nanorod surface morphology over extended growth times. After initial rapid anisotropic growth and disappearance of {111} bridging facets, the aspect ratios converge across AgNO3 concentrations. The surface morphology transitions from faceted to curved. These observations imply the final aspect ratio has little dependence on the AgNO3 concentration, consistent with primary control of the AgNO3 over aspect ratio occurring at the symmetry breaking point.

中文翻译:

金纳米棒的尺寸,形状和表面形态的演变

我们研究了单晶金纳米棒表面形态在延长的生长时间上的转变。在{111}桥接小平面最初快速各向异性生长和消失之后,长宽比在AgNO 3浓度范围内收敛。表面形态从刻面过渡到弯曲。这些观察结果表明,最终的长径比对AgNO 3的浓度几乎没有依赖性,这与在对称断裂点处对AgNO 3的长径比的主要控制相一致。
更新日期:2018-03-21
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