Study on the growth mechanism of silver nanorods in the nanowire-seeding polyol process

Chen  C; Wang  L; Yu  HJJiang  GHYang  QZhou  JFXiang  WDZhang  JF

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Study on the growth mechanism of silver nanorods in the nanowire-seeding polyol process

机译：Study on the growth mechanism of silver nanorods in the nanowire-seeding polyol process

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Uniform silver nanorods have been successfully synthesized through a nanowire-seeding, multisteps polyol process in the high concentration reaction system. In this developed three-step polyol process, ethylene glycol is used as the solvent and reductant while poly(vinylpyrrolidone) (PVP) is used as the capper agent. The silver nanowires are used as the seeds in step 3 to radial grow into nanorods with larger diameter but similar length. Desorption of PVP from the surface of silver is presumed as the critical factor to cause the dominant regrowth of wire-like seeds towards radial direction, rather than axial direction. More details of the radial growth mechanism have also been discussed. This synthesis strategy will be significant in the large scaled preparation of nanomaterials. (c) 2007 Elsevier B.V. All rights reserved.

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《Materials Chemistry and Physics》 |2008年第1期|13-17|共5页
作者
Chen C; Wang L; Yu HJJiang GHYang QZhou JFXiang WDZhang JF;
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作者单位

Zhejiang Univ, Coll Mat Sci & Chem Engn, State Key Lab Polymer React Engn, Hangzhou 310027, Peoples R China;

Wenzhou Univ, Coll Appl Technol, Wenzhou 325035, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种英语
中图分类工程材料学;
关键词
silver nanorods; polyol process; synthesis; SHAPE-CONTROLLED SYNTHESIS; WET CHEMICAL-SYNTHESIS; GOLD NANORODS; NANOSTRUCTURES; ARRAYS;

Study on the growth mechanism of silver nanorods in the nanowire-seeding polyol process

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