Issue 13, 2013
From the journal:

CrystEngComm

Five-fold twinned pentagonal gold nanocrystal structure exclusively bounded by {110} facets†

Tengjiao Liu,a   Peng Jiang,*a   Qi Youa  and  Shufeng Ye*b  

* Corresponding authors

a National Center for Nanoscience and Technology, No.11 Beiyitiao Zhongguancun, Beijing 100190, China
E-mail: pjiang@nanoctr.cn

b Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
E-mail: sfye@home.ipe.ac.cn

Abstract

Monodispersed five-fold twinned gold (Au) nanocrystals (NCs) with a pentagon (Pg) morphology exclusively bounded by {110} facets have been prepared through a PVP-assisted seed-mediated growth in N,N-dimethylformamide (DMF). Low water concentration, low reaction temperature and existence of DMF have been confirmed to play important roles in achieving the {110}-facet-bounded Au Pg NCs. A possible evolution process from Au decahedron (Dh), via {110}-facet-truncated decahedron (TD), {110}-facet-heavily-truncated decahedron (HTD) and pentagonal star (PS) to final Pg has been suggested to understand the formation of the Pg Au nanocrystals in the DMF reaction system.

Graphical abstract: Five-fold twinned pentagonal gold nanocrystal structure exclusively bounded by {110} facets

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Article information

DOI
https://doi.org/10.1039/C2CE26665B
Article type
Communication
Submitted
11 Oct 2012
Accepted
08 Nov 2012
First published
09 Nov 2012

CrystEngComm, 2013,15, 2350-2353

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Five-fold twinned pentagonal gold nanocrystal structure exclusively bounded by {110} facets

T. Liu, P. Jiang, Q. You and S. Ye, CrystEngComm, 2013, 15, 2350 DOI: 10.1039/C2CE26665B

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