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JOURNAL OF SYNTHETIC CRYSTALS ›› 2021, Vol. 50 ›› Issue (7): 1314-1326.

Special Issue: 人工光/声微结构材料

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Research Progress of Porous Silicon-Au/Ag Dendritic Composite Materials

GE Daohan1,2, NI Chao1, DING Jie1, ZHANG Liqiang1,2, ZHU Shining2   

  1. 1. Center for Micro and Nano Science and Technology, Jiangsu University, Zhenjiang 212013, China;
    2. State Key Laboratory of Solid Microstructure Physics, Nanjing University, Nanjing 210093, China
  • Received:2021-05-06 Online:2021-07-15 Published:2021-08-16

Abstract: Porous silicon-Au/Ag dendritic composites have gradually demonstrated their advantages as SERS substrates since the discovery of surface-enhanced raman scattering (SERS) in the 20th century. They have found widespread application in biology, chemistry, medical treatment, and other fields. The advantage of SERS substrate porous silicon, focusing on Ag/Au in preparing the porous silicon substrate method, was examined over recent years. The porous silicon substrate with a metal coating is cost-effective to fabricate and offers a high detecting capability. This paper illustrates the application in the morphology of dendritic structures under different conditions of preparation and detection. A short analysis carried out on the future evolution of the porous silicon-Ag/Au dendritic composite structure as a SERS substrate.

Key words: porous silicon, surface-enhanced Raman scattering (SERS), AgNPs/AuNPs, complex meterial, dendritic structure

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