Synthesis of gold square-like plates from ultrathin gold square sheets: The evolution of structure phase and shape

Xiao Huang; Hai Li; Shaozhou Li; Shixin Wu; Freddy Boey; Jan Ma; Hua Zhang

doi:10.1002/anie.201105850

Synthesis of gold square-like plates from ultrathin gold square sheets: The evolution of structure phase and shape

Xiao Huang, Hai Li, Shaozhou Li, Shixin Wu, Freddy Boey, Jan Ma, Hua Zhang

Nanyang Technological University

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

133 Scopus citations

Abstract

It's hip to be square: Gold square-like plates exhibit alternating hexagonal close-packed (hcp, see picture, yellow) and face-centered cubic (fcc, red) structures in the center and defect-free fcc structures at one pair of the opposite thick edges. They can be synthesized from Au square sheets in a secondary growth process. For the first time, the hcp-to-fcc phase transformation associated with shape variation in Au nanostructures is demonstrated.

Original language	English
Pages (from-to)	12245-12248
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	50
Issue number	51
DOIs	https://doi.org/10.1002/anie.201105850
State	Published - 16 Dec 2011
Externally published	Yes

Keywords

fcc structures
gold
hcp structures
phase transformation
template synthesis

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10.1002/anie.201105850

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abstract = "It's hip to be square: Gold square-like plates exhibit alternating hexagonal close-packed (hcp, see picture, yellow) and face-centered cubic (fcc, red) structures in the center and defect-free fcc structures at one pair of the opposite thick edges. They can be synthesized from Au square sheets in a secondary growth process. For the first time, the hcp-to-fcc phase transformation associated with shape variation in Au nanostructures is demonstrated.",

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author = "Xiao Huang and Hai Li and Shaozhou Li and Shixin Wu and Freddy Boey and Jan Ma and Hua Zhang",

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AU - Li, Shaozhou

AU - Wu, Shixin

AU - Boey, Freddy

AU - Ma, Jan

AU - Zhang, Hua

PY - 2011/12/16

Y1 - 2011/12/16

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AB - It's hip to be square: Gold square-like plates exhibit alternating hexagonal close-packed (hcp, see picture, yellow) and face-centered cubic (fcc, red) structures in the center and defect-free fcc structures at one pair of the opposite thick edges. They can be synthesized from Au square sheets in a secondary growth process. For the first time, the hcp-to-fcc phase transformation associated with shape variation in Au nanostructures is demonstrated.

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KW - gold

KW - hcp structures

KW - phase transformation

KW - template synthesis

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ER -

Synthesis of gold square-like plates from ultrathin gold square sheets: The evolution of structure phase and shape

Abstract

Keywords

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