Applications of Metallic Nanoparticles in Surface-Enhanced Raman Scattering Sensing

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 648

Special Issue Editor

Shandong Provincial Engineering and Technical Center of Light Manipulation, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
Interests: materials; advanced materials; nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Surface-enhanced Raman scattering (SERS) is a powerful technique that can amplify the Raman signal of molecules by several orders of magnitude, enabling the detection of trace amounts of analytes in various fields such as biomedicine, environmental monitoring, food safety, and forensics. The key to achieving high SERS sensitivity and reproducibility is the design and fabrication of efficient and stable plasmonic nanostructures that can generate strong and uniform electromagnetic fields at the surface. Metallic nanoparticles, especially those made of noble metals such as gold and silver, are widely used as SERS substrates due to their tunable optical properties, facile synthesis, and versatile surface functionalization.

In this Special Issue, we aim to showcase the latest advances and applications of metallic nanoparticles in SERS sensing. We cordially invite you to contribute to this Special Issue and share your valuable insights and findings with the scientific community. The theme of this Special Issue broadly includes, but is not limited to, the following topics:

  • Novel synthesis methods and characterization techniques of metallic nanoparticles for SERS;
  • Theoretical modeling and simulation of plasmonic effects and SERS enhancement mechanisms;
  • Surface modification and functionalization of metallic nanoparticles for selective and sensitive SERS detection;
  • Integration of metallic nanoparticles with other materials (such as carbon dots, 2D materials, metal oxides, etc.) to form nanocomposites or hybrid structures for SERS;
  • Development of SERS devices and platforms based on metallic nanoparticles for practical applications in various fields;
  • Challenges and opportunities of metallic nanoparticles in SERS sensing

Dr. Jing Yu
Guest Editor

Manuscript Submission Information

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Keywords

  • metallic nanoparticles
  • surface-enhanced Raman scattering
  • nanosynthesis
  • characterization techniques
  • plasmonic effects
  • SERS enhancement mechanisms
  • surface modification
  • nanocomposites
  • hybrid structures

Published Papers (1 paper)

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Research

11 pages, 3724 KiB  
Article
Transferable G/Au Film for Constructing a Variety of SERS Substrates
by Xinyu Zhang, Xin Cai, Naiqiang Yin, Yingying Wang, Yang Jiao and Chundong Liu
Nanomaterials 2024, 14(7), 566; https://doi.org/10.3390/nano14070566 - 25 Mar 2024
Viewed by 534
Abstract
Surface-enhanced Raman scattering (SERS), as one of the most powerful analytical methods, undertakes important inspection tasks in various fields. Generally, the performance of an SERS-active substrate relies heavily on its structure, which makes it difficult to integrate multiple-functional detectability on the same substrate. [...] Read more.
Surface-enhanced Raman scattering (SERS), as one of the most powerful analytical methods, undertakes important inspection tasks in various fields. Generally, the performance of an SERS-active substrate relies heavily on its structure, which makes it difficult to integrate multiple-functional detectability on the same substrate. To address this problem, here we designed and constructed a film of graphene/Au nanoparticles (G/Au film) through a simple method, which can be conveniently transferred to different substrates to form various composite SERS substrates subsequently. By means of the combination of the electromagnetic enhancement mechanism (EM) and the chemical enhancement mechanism (CM) of this structure, the film realized good SERS performance experimentally, with the enhancement factor (EF) approaching ca. 1.40 × 105. In addition, the G/Au film had high mechanical strength and had large specific surface area and good biocompatibility that is beneficial for Raman detection. By further transferring the film to an Ag/Si composite substrate and PDMS flexible film, it showed enhanced sensitivity and in situ detectability, respectively, indicating high compatibility and promising prospect in Raman detection. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Surface-enhanced Raman scattering is a powerful technique that can amplify the Raman signal of molecules by several orders of magnitude, enabling the detection of trace amounts of analytes in various fields. Metallic nanoparticles, especially those made of noble metals such as gold and silver, are widely used as SERS substrates due to their tunable optical properties, facile synthesis, and versatile surface functionalization.

We invite you to contribute to this Special Issue and share your valuable insights and findings with the scientific community:

  • Novel synthesis methods and characterization techniques of metallic nanoparticles for SERS
  • Theoretical modeling and simulation of plasmonic effects and SERS enhancement mechanisms;
  • Surface modification and functionalization of metallic nanoparticles for selective and sensitive SERS detection
  • Integration of metallic nanoparticles with other materials (such as carbon dots, 2D materials, metal oxides, etc.) to form nanocomposites or hybrid structures for SERS
  • Development of SERS devices and platforms based on metallic nanoparticles for practical applications in various fields
  • Challenges and opportunities of metallic nanoparticles in SERS sensing
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