4.7 Article

Single nanoporous gold nanowire as a tunable one-dimensional platform for plasmon-enhanced fluorescence

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 9, Pages 1808-1811

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc08149a

Keywords

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Funding

  1. National Natural Science Foundation of China [21390413, 51425403, 21125525, 21405090]
  2. Ministry of Science and Technology of China [2012YQ12006003]
  3. Program for Changjiang Scholars and Innovative Research Team in University [IRT13026]
  4. Tsinghua University Initiative Scientific Research Program [2014z22063]

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We introduce individual nanoporous Au nanowire (AuNW) as a tunable one-dimensional platform for plasmon-enhanced fluorescence, with an enhancement factor of similar to 62, which is similar to 8-fold higher than that of smooth AuNWs. Besides, nanoporous AuNWs have much lower background emission than smooth AuNWs. These results indicate that nanoporous AuNWs are an excellent optical sensing platform.

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