4.8 Article

Ultrasensitive SERS Detection by Defect Engineering on Single Cu2O Superstructure Particle

Journal

ADVANCED MATERIALS
Volume 29, Issue 5, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201604797

Keywords

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Funding

  1. National Basic Research Program of China [2014CB931802]
  2. National Natural Science Foundation of China [51272012, 21471013, 51532001, 21601009]
  3. Beijing Natural Science Foundation [2163052]
  4. China Postdoctoral Science Foundation [2015M570916]

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A Cu2O superstructure is constructed through a recrystallization-induced self-assembly strategy. Single Cu2O superstructure particle exhibits an outstanding surface-enhanced Raman spectroscopy performance with the limit of detection as low as 10(-9) mol L-1 and metal comparable enhancement factor (8 x 10(5)) due to the synergetic effect of vacancies defect-facilitated charge-transfer process and copper vacancies defect-induced electrostatic adsorption.

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