Selective dissolution of the silver component in colloidal Au and Ag multilayers: a facile way to prepare nanoporous gold film materials.

@article{Lu2005SelectiveDO,
  title={Selective dissolution of the silver component in colloidal Au and Ag multilayers: a facile way to prepare nanoporous gold film materials.},
  author={Yingxi Lu and Qifeng Wang and Junqi Sun and Jiacong C Shen},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2005},
  volume={21 11},
  pages={5179-84}
}
Colloidal Au/Ag multilayer films were prepared by alternate assembly of Au nanoparticles with a size of 5 +/- 1.2 nm and Ag nanoparticles with a size of 10 +/- 2.4 nm by using 1,5-pentanedithiol as cross-linker. Nanoporous gold films with a ligament size of 26.7 +/- 4.6 nm were then prepared by selective dissolution of sacrificial templates of silver particles in colloidal Au/Ag multilayers. The complete dissolution of Ag particles in colloidal Au/Ag multilayers in a mixture solution of 3.0 mM… CONTINUE READING

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