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Graphene-based nanoplatforms for surface-enhanced Raman scattering sensing.

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Graphene-based nanoplatforms enhance surface-enhanced Raman scattering (SERS) for sensitive detection across various fields. This review details fabrication methods and applications of these advanced SERS sensing platforms.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Analytical Chemistry

Background:

  • Surface-enhanced Raman scattering (SERS) is a crucial technique for sensitive detection in biological, environmental, and food safety applications.
  • Graphene offers unique properties like a 2D structure, uniform electronic/photonic characteristics, and high biocompatibility, making it an ideal nanoplatform for SERS sensing.

Purpose of the Study:

  • To review recent advancements in fabricating graphene-based nanoplatforms for SERS sensing.
  • To explore various fabrication strategies and the applications of these platforms in detecting diverse analytes.
  • To discuss future directions and perspectives in graphene-based SERS sensing.

Main Methods:

  • Summarizing fabrication strategies including self-assembly, in situ synthesis, one-pot synthesis, liquid phase reduction, and biomimetic synthesis.
  • Detailing the construction of graphene-based hybrid metallic and alloy nanoplatforms.
  • Compiling applications for SERS sensing of ions, organic dyes, pesticides, bacteria, DNA, proteins, and cells.

Main Results:

  • Graphene-based nanoplatforms demonstrate significant potential for high-performance SERS sensing.
  • Diverse fabrication methods enable tailored nanoplatforms for specific sensing requirements.
  • Successful applications span a wide range of analytes, showcasing versatility.

Conclusions:

  • Graphene-based nanoplatforms are highly effective for advanced SERS sensing applications.
  • Understanding fabrication and sensing mechanisms is key to developing novel high-performance sensing materials.
  • This field holds promise for future innovations in sensing and biosensing technologies.