Excellent surface enhanced Raman scattering obtained with nanoporous gold fabricated by chemical de-alloying

Yanpeng Xue,Federico Scaglione,Eirini Maria Paschalidou,Paola Rizzi, L. Battezzati

Chemical Physics Letters（2016）

引用 27|浏览17

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摘要

•New Au based metallic glass Au20Cu48Ag7Pd5Si20 (at.%) was produced with lower Au content.•3D nanoporous gold, with an average ligament size of 50nm, was fabricated by chemical de-alloying.•Nanoporous gold has superior SERS capability and a low detection limit down to 10−14M for bipy.•SERS intensity mapping with bipy concentration of 10−14M confirm the presence of hot spots.

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关键词

Nanoporous gold,Chemical de-alloying,Metallic glass,Raman scattering

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