Nanoporous gold thin films synthesised via de-alloying of Au-based nanoglass for highly active SERS substrates

Yanpeng Xue
Yanpeng Xue
Eirini Maria Paschalidou
Eirini Maria Paschalidou
Pierre Denis
Pierre Denis

Philosophical Magazine, pp. 2769-2781, 2018.

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Abstract:

ABSTRACTNanoporous gold thin films have been fabricated through chemical de-alloying of Au-based nanoglass with a nanocolumnar structure, with composition Au40Cu28Ag7Pd5Si20 (at.%), that had previously been deposited by magnetron sputtering. By varying the de-alloying conditions, gold ligaments ranging from 20 to 100 nm were obtained. The...More

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