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Title: Induced coiling action : exploring the intrinsic defects in five-fold twinned silver nanowires
Authors: Zeng, Zhiyuan
Wang, Hong
Zhu, Liangfang
Zhang, Hua
Shen, Xiaoshuang
Chen, Hongyu
Issue Date: 2012
Source: Zhu, L., Shen, X., Zeng, Z., Wang, H., Zhang, H., & Chen, H. (2012). Induced Coiling Action: Exploring the Intrinsic Defects in Five-Fold Twinned Silver Nanowires. ACS Nano, 6(7), 6033-6039.
Series/Report no.: ACS nano
Abstract: Growth of polythiophene (PTh) on five-fold twinned Ag nanowires (NWs) is not symmetrical due to preferred etching of their intrinsic defects. This imbalance of polymer formation leads to consistent bending action along the etched NWs, coiling the resulting Ag-PTh nanocomposites into planar spirals. We studied the etching intermediates and also the effects of the surface ligands in order to understand the symmetry-breaking action. The defect-dependent etching chemistry offers a new means to induce motion and a novel perspective in the ordered occurrence of certain defects. We demonstrate that Ag can be deposited back onto the coiled Ag-PTh composite to form metallic spirals.
ISSN: 1936-0851
DOI: 10.1021/nn301096n
Rights: © 2012 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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