Growth of Au/Ag nanowires in thin surfactant solution films: An electron microscopy study

Olga Krichevski; Yael Levi-Kalisman; Daniel Szwarcman; Yossi Lereah; Gil Markovich

doi:10.1016/j.jcis.2007.05.056

Growth of Au/Ag nanowires in thin surfactant solution films: An electron microscopy study

Olga Krichevski
, Yael Levi-Kalisman
, Daniel Szwarcman
, Yossi Lereah
, Gil Markovich^*

^*Corresponding author for this work

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

12 Scopus citations

Abstract

The surfactant templated gold-silver nanowire growth process in a thin solution film was probed by cryo-transmission electron microscopy (cryo-TEM). The increasing surfactant concentration upon film drying appears to induce phase transformations in the film and form a liquid crystalline template for the nanowires growth. High-resolution transmission electron microscopy (HRTEM) and electron holography revealed that the nanowires were polycrystalline with some preferred crystallite orientations and had a roughly cylindrical cross-section. Further improvement of the technique may lead to highly ordered metal nanowire arrays within the surfactant matrix similar to the closely related mesoporous materials.

Original language	English
Pages (from-to)	304-309
Number of pages	6
Journal	Journal of Colloid and Interface Science
Volume	314
Issue number	1
DOIs	https://doi.org/10.1016/j.jcis.2007.05.056
State	Published - 1 Oct 2007
Externally published	Yes

Bibliographical note

Funding Information:
The authors gratefully acknowledge fruitful discussions with Prof. Oren Regev. The Electron Holography study in this work is supported by a Marie Curie project of the European Community.

Keywords

Cryo-TEM
Gold nanorods
Liquid crystal phases
Mesoporous materials
Nanowires
Surfactant mesophases

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10.1016/j.jcis.2007.05.056

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title = "Growth of Au/Ag nanowires in thin surfactant solution films: An electron microscopy study",

abstract = "The surfactant templated gold-silver nanowire growth process in a thin solution film was probed by cryo-transmission electron microscopy (cryo-TEM). The increasing surfactant concentration upon film drying appears to induce phase transformations in the film and form a liquid crystalline template for the nanowires growth. High-resolution transmission electron microscopy (HRTEM) and electron holography revealed that the nanowires were polycrystalline with some preferred crystallite orientations and had a roughly cylindrical cross-section. Further improvement of the technique may lead to highly ordered metal nanowire arrays within the surfactant matrix similar to the closely related mesoporous materials.",

keywords = "Cryo-TEM, Gold nanorods, Liquid crystal phases, Mesoporous materials, Nanowires, Surfactant mesophases",

author = "Olga Krichevski and Yael Levi-Kalisman and Daniel Szwarcman and Yossi Lereah and Gil Markovich",

note = "Funding Information: The authors gratefully acknowledge fruitful discussions with Prof. Oren Regev. The Electron Holography study in this work is supported by a Marie Curie project of the European Community.",

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doi = "10.1016/j.jcis.2007.05.056",

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T2 - An electron microscopy study

AU - Krichevski, Olga

AU - Levi-Kalisman, Yael

AU - Szwarcman, Daniel

AU - Lereah, Yossi

AU - Markovich, Gil

N1 - Funding Information: The authors gratefully acknowledge fruitful discussions with Prof. Oren Regev. The Electron Holography study in this work is supported by a Marie Curie project of the European Community.

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N2 - The surfactant templated gold-silver nanowire growth process in a thin solution film was probed by cryo-transmission electron microscopy (cryo-TEM). The increasing surfactant concentration upon film drying appears to induce phase transformations in the film and form a liquid crystalline template for the nanowires growth. High-resolution transmission electron microscopy (HRTEM) and electron holography revealed that the nanowires were polycrystalline with some preferred crystallite orientations and had a roughly cylindrical cross-section. Further improvement of the technique may lead to highly ordered metal nanowire arrays within the surfactant matrix similar to the closely related mesoporous materials.

AB - The surfactant templated gold-silver nanowire growth process in a thin solution film was probed by cryo-transmission electron microscopy (cryo-TEM). The increasing surfactant concentration upon film drying appears to induce phase transformations in the film and form a liquid crystalline template for the nanowires growth. High-resolution transmission electron microscopy (HRTEM) and electron holography revealed that the nanowires were polycrystalline with some preferred crystallite orientations and had a roughly cylindrical cross-section. Further improvement of the technique may lead to highly ordered metal nanowire arrays within the surfactant matrix similar to the closely related mesoporous materials.

KW - Cryo-TEM

KW - Gold nanorods

KW - Liquid crystal phases

KW - Mesoporous materials

KW - Nanowires

KW - Surfactant mesophases

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Growth of Au/Ag nanowires in thin surfactant solution films: An electron microscopy study

Abstract

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Keywords

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