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Chemosensors
Special Issues
SERS Sensing Technology: Research, Progress and Applications
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SERS Sensing Technology: Research, Progress and Applications

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Optical Chemical Sensors".

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 4060

Special Issue Editor

Prof. Dr. Yongjun Zhang

E-Mail Website
Guest Editor
Center for Advanced Optoelectronic Materials, Key Laboratory of Novel Materials for Sensor of Zhejiang Province, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
Interests: nanomaterials; SERS; LSPR; biomarker; biosensors; detection of environmental pollutants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, SERS has attracted extensive attentions due to its excellent sensitivity. Additionally, the researches show SERS observations are comprehensively affected by the material composition, the surrounding di-electronics, the shapes of the nanostructured units, the gaps between the neighbor nanostructures, surface linkage and so on, which make its uniformity and reproduction difficult for deep understanding and wide applications. Now, we would like to announce a new Special Issue entitled SERS Sensing Technology: Research, Progress and Applications, which will publish your recent findings related to SERS and Sensing, including approaches for the material design, synthesis, characterization, and modeling of materials for SERS and SERS-based sensors. Research articles or reviews of recent advances are both welcome for submission. Hopefully, we together push the corresponding research a new step forward by your excellent contributions.

Prof. Dr. Yongjun Zhang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Chemosensors is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • SERS
  • sensing
  • LSPR
  • nanostructure array
  • composite materials
  • FDTD simulation
  • comsol simulation

Published Papers (3 papers)

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Research

12 pages, 3721 KiB  
Article
Highly Polarized SERS Based on Random Working Domains Composed of Nanorod Arrays for Self-Referenced Detection
by Xiaoyu Zhao, Deyuan Mao, Shuangshuang Zhao, Yuxia Wang, Xiaojie Guo, Yaxin Wang, Renxian Gao and Yongjun Zhang
Chemosensors 2023, 11(8), 462; https://doi.org/10.3390/chemosensors11080462 - 16 Aug 2023
Viewed by 907
Abstract
When Ag film is sputtered onto polystyrene (PS) spheres, the curved Ag nanocaps form with scattered Ag nanoparticles along the brim of the Ag nanocap. Ion etching results in parallel PS nanorods due to the masking effects of the scattered Ag nanoparticles when [...] Read more.
When Ag film is sputtered onto polystyrene (PS) spheres, the curved Ag nanocaps form with scattered Ag nanoparticles along the brim of the Ag nanocap. Ion etching results in parallel PS nanorods due to the masking effects of the scattered Ag nanoparticles when the Ag cap array is transferred to another substrate with the top down. The highly polarized SERS substrate of random working domains composed of parallel nanorods is prepared when another 5 nm film is deposited. The nanorod diameters range from 10 nm to 20 nm, depending on the sizes of the masking Ag nanoparticles prepared by the magnetron control system and the ion etching process. Compared with other techniques, our nanorods have the advantages of highly ordered patterns in each domain, which show the excellent behavior of the polarized SERS for all PS spheres. This polarized SERS substrate is used to detect thiram with a concentration as low as 10−9 M when the background noise is successfully removed by a self-reference technique. Full article
(This article belongs to the Special Issue SERS Sensing Technology: Research, Progress and Applications)
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11 pages, 2129 KiB  
Article
Enhanced Electromagnetic Coupling in the Walnut-Shaped Nanostructure Array
by Deyuan Mao, Xiaoyu Zhao, Jiahong Wen, Aofang Wang, Renxian Gao and Yaxin Wang
Chemosensors 2022, 10(11), 445; https://doi.org/10.3390/chemosensors10110445 - 26 Oct 2022
Cited by 2 | Viewed by 1301
Abstract
It is a challenging yet valuable work to prepare a surface-enhanced Raman scattering (SERS) substrate with low cost and high performance by simple methods. In this study, the Ag nanoparticles were sputtered on PS spheres by the magnetron sputtering, which was used as [...] Read more.
It is a challenging yet valuable work to prepare a surface-enhanced Raman scattering (SERS) substrate with low cost and high performance by simple methods. In this study, the Ag nanoparticles were sputtered on PS spheres by the magnetron sputtering, which was used as the mask to create the nanostructures by etching the spheres. Because of the heating effect in the etching process, the Ag nanoparticles gathered on the surfaces of PS spheres when the etching time was 60 s. Strong electromagnetic coupling was observed between the gathered Ag nanoparticles as confirmed by FDTD simulation and SERS signals from the probe molecule 4-mercaptobenzoic acid. This structure showed the detection limit for thiram down to 10−8 M. Full article
(This article belongs to the Special Issue SERS Sensing Technology: Research, Progress and Applications)
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12 pages, 4229 KiB  
Article
Plasmonic Sensor and Surface Enhanced Fluorescence Imaging Based on Hollow Nanocone Arrays
by Pengkun Chen, Xinyi Chen, Mingyu Cheng, Chuting Zhang, Jin Cui and Bin Ai
Chemosensors 2022, 10(10), 431; https://doi.org/10.3390/chemosensors10100431 - 18 Oct 2022
Viewed by 1396
Abstract
Hollow nanocone arrays are fabricated by a low-cost and efficient colloidal lithography (CL) technique. The hollow nanocone arrays are then reversed to make only the tips contact the substrate. The optical properties of the obverse and inverse hollow nanocone arrays are determined by [...] Read more.
Hollow nanocone arrays are fabricated by a low-cost and efficient colloidal lithography (CL) technique. The hollow nanocone arrays are then reversed to make only the tips contact the substrate. The optical properties of the obverse and inverse hollow nanocone arrays are determined by the surrounding environment, showing different reflection spectra and structure dependence. The inverse hollow nanocone arrays show a relative index sensitivity of 70% per RIU with strict linearity. The fluorescence of fluorophore or staining cells can be facilely enhanced by placing them on the tips of the hollow nanocone arrays, while having no quenching effect. The study of the obverse and inverse hollow nanocone arrays can benefit the understanding of the effect of the environment on the plasmonic resonances. The hollow nanocone arrays are promising to serve as high-performance plasmonic sensors and versatile substrates for surface-enhanced fluorescence imaging. Full article
(This article belongs to the Special Issue SERS Sensing Technology: Research, Progress and Applications)
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