Shape-Controlled Synthesis of Silver and Gold Nanostructures

This article provides a brief account of solution-phase methods that generate silver and gold nanostructures with well-controlled shapes. It is organized into five sections: The first section discusses the nucleation and formation of seeds from which nanostructures grow. The next two sections explai...

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Veröffentlicht in:	MRS bulletin Jg. 30; H. 5; S. 356 - 361
Hauptverfasser:	Wiley, Benjamin, Sun, Yugang, Chen, Jingyi, Cang, Hu, Li, Zhi-Yuan, Li, Xingde, Xia, Younan
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York, USA Cambridge University Press 01.05.2005 Springer Nature B.V
Schlagworte:	capping agents contrast agents Gold gold nanostructures hollow nanostructures Nanostructure Nanowires Nucleation plasmonics polyol synthesis shape-controlled synthesis Silver silver nanostructures surface plasmon resonance Synthesis Technical Feature silver nanostructures shape-controlled synthesis capping agents polyol synthesis plasmonics surface plasmon resonance contrast agents gold nanostructures hollow nanostructures
ISSN:	0883-7694, 1938-1425
Online-Zugang:	Volltext
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Zusammenfassung:	This article provides a brief account of solution-phase methods that generate silver and gold nanostructures with well-controlled shapes. It is organized into five sections: The first section discusses the nucleation and formation of seeds from which nanostructures grow. The next two sections explain how seeds with fairly isotropic shapes can grow anisotropically into distinct morphologies. Polyol synthesis is selected as an example to illustrate this concept. Specifically, we discuss the growth of silver nanocubes (with and without truncated corners), nanowires, and triangular nanoplates. In the fourth section, we show that silver nanostructures can be transformed into hollow gold nanostructures through a galvanic replacement reaction. Examples include nanoboxes, nanocages, nanotubes (both single- and multi-walled), and nanorattles. The fifth section briefly outlines a potential medical application for gold nanocages.We conclude with some perspectives on areas for future work.
Bibliographie:	istex:9D11D3B3F1359ABC2FEBBEC20AB4B584E40171DA ark:/67375/6GQ-3J3DB3MF-C PII:S0883769400012756 ArticleID:01275 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Article-2 ObjectType-Feature-1 content type line 23
ISSN:	0883-7694 1938-1425
DOI:	10.1557/mrs2005.98