Shape-Controlled Growth of Micrometer-Sized Gold Crystals by a Slow Reduction Method

Shaping up nicely…︁ Micrometer‐sized gold crystals have been synthesized through a binary mixture of amine ligand molecules in the presence of a gold precursor under slow growth conditions (see picture). A wide range of morphologies in the form of triangles, octahedra, pentagonal decahedra, platelet...

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Published inSmall (Weinheim an der Bergstrasse, Germany) Vol. 2; no. 8-9; pp. 1046 - 1050
Main Authors Liu, Xiaogang, Wu, Nianqiang, Wunsch, Benjamin H., Barsotti Jr, Robert J., Stellacci, Francesco
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.08.2006
WILEY‐VCH Verlag
Subjects
Amines
Crystallization - methods
electron microscopy
gold
Gold - chemistry
microcrystals
Microscopy, Electron
molecular recognition
Nanowires
Oxidation-Reduction
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Summary:Shaping up nicely…︁ Micrometer‐sized gold crystals have been synthesized through a binary mixture of amine ligand molecules in the presence of a gold precursor under slow growth conditions (see picture). A wide range of morphologies in the form of triangles, octahedra, pentagonal decahedra, platelets, and nanowires with well‐defined morphologies can be derived by varying the composition and ratio of the ligand mixture.
Bibliography:istex:6F0770AFC0DEEA11AA400BEF9F8B517FFC7C1A9D
ark:/67375/WNG-CXN7T1W1-M
F.S. is grateful to 3M and DuPont for the Young Faculty Awards. We thank Prof. L. D. Marks, J. Adario, and D. Bell for helpful discussions and technical assistance.
ArticleID:SMLL200600219
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ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200600219