Dependence of the Gold Nanorod Aspect Ratio on the Nature of the Directing Surfactant in Aqueous Solution

@inproceedings{Gao2003DependenceOT,
  title={Dependence of the Gold Nanorod Aspect Ratio on the Nature of the Directing Surfactant in Aqueous Solution},
  author={Jinxin Gao and Christopher Matthew Bender and Catherine J Murphy},
  year={2003}
}
A three-step seed-mediated growth method was used to make gold nanoparticles. Different surfactants, alkyltrimethylammonium bromides (CnTAB, n ) 10, 12, 14, 16, and 18) and cetylpyridinium chloride (C16PC), were chosen as stabilizers. In general, it was found that as the length of the surfactant chain increased, the resulting gold nanoparticles’ aspect ratio increased: the aspect ratio was 1 (for C10TAB), 5 ( 2 (C12TAB), 17 ( 3 (C14TAB), and 23 ( 4 (C16TAB). The plasmon absorption maxima for… CONTINUE READING
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