Ultrathin Single-Crystalline Silver Nanowire Arrays Formed in an Ambient Solution Phase-Reference-Cited by-同舟云学术

Ultrathin Single-Crystalline Silver Nanowire Arrays Formed in an Ambient Solution Phase

Published:2001-10-12 Issue:5541 Volume:294 Page:348-351
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Hong Byung Hee¹,Bae Sung Chul¹,Lee Chi-Wan¹,Jeong Sukmin¹,Kim Kwang S.¹

Affiliation:

1. National Creative Research Initiative Center for Superfunctional Materials, Department of Chemistry, Division of Molecular and Life Sciences, Pohang University of Science and Technology, Hyojadong, Namgu, Pohang 790-784, Korea.

Abstract

We report the synthesis of single-crystalline silver nanowires of atomic dimensions. The ultrathin silver wires with 0.4 nanometer width grow up to micrometer-scale length inside the pores of self-assembled calix[4]hydroquinone nanotubes by electro-/photochemical redox reaction in an ambient aqueous phase. The present subnanowires are very stable under ambient air and aqueous environments, unlike previously reported metal wires of ∼1 nanometer diameter, which existed only transiently in ultrahigh vacuum. The wires exist as coherently oriented three-dimensional arrays of ultrahigh density and thus could be used as model systems for investigating one-dimensional phenomena and as nanoconnectors for designing nanoelectronic devices.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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4. B. H. Hong et al. J. Am. Chem. Soc. in press.

5. Under ambient conditions 0.1 g of CHQ monomer dissolved in 50 ml of 1:1 water:acetone solution which led to the formation of nanotube bundles as the acetone dried up. In the presence of cesium sulfate the bundles grew into needlelike dark brown crystals. The x-ray structure of the crystal has been deposited in the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-161593. The inner surface of the CHQ nanotube is composed of hydroquinone (HQ) moieties framed by four 1D H-bond arrays formed with OH groups of quinones and water molecules. The nanotube bundles are formed by π-π stacking interactions between HQ moieties of nanotubes. The simple view of the inner surface can be seen in Fig. 1D and the supplementary material (23) and the more detailed views of the molecular structure around the pores as well as the details of x-ray and infrared characterization of the CHQ nanotubes are available in (4).

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