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

Wenming Tong; Hadas Katz-Boon; Michael J. Walsh; Matthew Weyland; Joanne Etheridge; Alison M. Funston

doi:10.1039/c7cc08336j

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

Wenming Tong, Hadas Katz-Boon, Michael J. Walsh, Matthew Weyland, Joanne Etheridge, Alison M. Funston

Research output: Contribution to journal › Article › Research › peer-review

16 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	3022-3025
Number of pages	4
Journal	Chemical Communications
Volume	54
Issue number	24
DOIs	https://doi.org/10.1039/c7cc08336j
Publication status	Published - 2018

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10.1039/c7cc08336j

241863918-oaAccepted author manuscript, 6.82 MB

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abstract = "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.",

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AU - Weyland, Matthew

AU - Etheridge, Joanne

AU - Funston, Alison M.

PY - 2018

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AB - 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.

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

Abstract

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Atomic Structure and Stability of Nanocrystal Facets

Centre for Electron Microscopy (MCEM)

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

Abstract

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Atomic Structure and Stability of Nanocrystal Facets

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Centre for Electron Microscopy (MCEM)

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