Synthesis and optical properties of three-dimensional porous core-shell nanoarchitectures

Li Hua Qian; Yi Ding; Takeshi Fujita; Ming Wei Chen

doi:10.1021/la703621c

Synthesis and optical properties of three-dimensional porous core-shell nanoarchitectures

Li Hua Qian, Yi Ding, Takeshi Fujita, Ming Wei Chen

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

Three-dimensional porous core-shell nanostructures consisting of gold skeletons and silver shells were fabricated by controllable electroless plating. Optical properties of the 3D nanocomposite with a heterogeneous interface exhibit a significant shell-thickness dependence. The porous core-shell structure with an optimized shell thickness of ∼3-5 nm exhibits a considerable improvement in surface-enhanced Raman scattering. This study has important implications in the functionalization of nanoporous metals by surface modification.

Original language	English
Pages (from-to)	4426-4429
Number of pages	4
Journal	Langmuir
Volume	24
Issue number	9
DOIs	https://doi.org/10.1021/la703621c
Publication status	Published - 2008 May 6

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la703621c

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abstract = "Three-dimensional porous core-shell nanostructures consisting of gold skeletons and silver shells were fabricated by controllable electroless plating. Optical properties of the 3D nanocomposite with a heterogeneous interface exhibit a significant shell-thickness dependence. The porous core-shell structure with an optimized shell thickness of ∼3-5 nm exhibits a considerable improvement in surface-enhanced Raman scattering. This study has important implications in the functionalization of nanoporous metals by surface modification.",

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