Large enhancement of quantum dot fluorescence by highly scalable nanoporous gold

Ling Zhang; Yunke Song; Takeshi Fujita; Ye Zhang; Mingwei Chen; Tza Huei Wang

doi:10.1002/adma.201304503

Large enhancement of quantum dot fluorescence by highly scalable nanoporous gold

Ling Zhang, Yunke Song, Takeshi Fujita, Ye Zhang, Mingwei Chen, Tza Huei Wang

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

52 Citations (Scopus)

Abstract

Dealloyed nanoporous gold (NPG) dramatically enhances quantum dot (QD) fluorescence by amplifying near-field excitation and increasing the radiative decay rate. Originating from plasmonic coupling, the fluorescence enhancement is highly dependent upon the nanopore size of the NPG. In contrast to other nanoengineered metallic structures, NPG exhibits fluorescence enhancement of QDs over a large substrate surface.

Original language	English
Pages (from-to)	1289-1294
Number of pages	6
Journal	Advanced Materials
Volume	26
Issue number	8
DOIs	https://doi.org/10.1002/adma.201304503
Publication status	Published - 2014 Feb 26
Externally published	Yes

Keywords

metal enhanced fluorescence
nanoporous gold (NPG)
quantum dots (QD)

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201304503

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AU - Zhang, Ling

AU - Song, Yunke

AU - Fujita, Takeshi

AU - Zhang, Ye

AU - Chen, Mingwei

AU - Wang, Tza Huei

PY - 2014/2/26

Y1 - 2014/2/26

N2 - Dealloyed nanoporous gold (NPG) dramatically enhances quantum dot (QD) fluorescence by amplifying near-field excitation and increasing the radiative decay rate. Originating from plasmonic coupling, the fluorescence enhancement is highly dependent upon the nanopore size of the NPG. In contrast to other nanoengineered metallic structures, NPG exhibits fluorescence enhancement of QDs over a large substrate surface.

AB - Dealloyed nanoporous gold (NPG) dramatically enhances quantum dot (QD) fluorescence by amplifying near-field excitation and increasing the radiative decay rate. Originating from plasmonic coupling, the fluorescence enhancement is highly dependent upon the nanopore size of the NPG. In contrast to other nanoengineered metallic structures, NPG exhibits fluorescence enhancement of QDs over a large substrate surface.

KW - metal enhanced fluorescence

KW - nanoporous gold (NPG)

KW - quantum dots (QD)

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Large enhancement of quantum dot fluorescence by highly scalable nanoporous gold

Abstract

Keywords

ASJC Scopus subject areas

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