Size dependence of molecular fluorescence enhancement of nanoporous gold

X. Y. Lang, P. F. Guan, Ling Zhang, T. Fujita, M. W. Chen

研究成果: Article査読

49 被引用数 (Scopus)

抄録

We report molecular fluorescence enhancement of free-standing nanoporous gold with tunable nanopore size. The fluorescence intensity of indocynanine green adsorbed on human-serum-albumin-coated nanoporous gold films significantly increases with decreasing nanopore size. The large fluorescence enhancement results from the near-field enhanced excitation and radiative decay rate of fluorophore due to the strong electromagnetic fields produced by nanosized curvatures as well as the coupling between the neighbor gold ligaments.

本文言語English
論文番号073701
ジャーナルApplied Physics Letters
96
7
DOI
出版ステータスPublished - 2010

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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