The evolution of size, shape, and surface morphology of gold nanorods,Chemical Communications

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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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