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Photonics and Plasmonics: New Challenges for Optical Nanostructured Materials in...
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Photonics and Plasmonics: New Challenges for Optical Nanostructured Materials in Sensing, 2nd Edition

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 3674

Special Issue Editors

Dr. Iole Venditti

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Guest Editor
Department of Sciences, Roma Tre University of Rome, Via della Vasca navale 79, 00146 Rome, Italy
Interests: nanomaterials; inorganic chemistry; drug delivery; sensing; optical materials; photonics
Special Issues, Collections and Topics in MDPI journals
Dr. Paolo Prosposito

E-Mail Website
Guest Editor
Department of Industrial Engineering, University of Rome Tor Vergata, Via Cracovia n.50, 00133 Roma, Italy
Interests: optical sensors; silver nanoparticles; surface plasmon resonance; optical absorption; heavy metal ions; hybrid solgel based films; fluorescencent waveguides; 3D printing
Special Issues, Collections and Topics in MDPI journals
Dr. Alessandra Paladini

E-Mail Website
Guest Editor
Istituto di Struttura della Materia-CNR (ISM-CNR), EuroFEL Support Laboratory (EFSL), 00015 Monterotondo Scalo, Italy
Interests: nanomaterials; plasmonics; transient absorption spectroscopy; ultrafast processes; photocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to invite you to submit your papers about optical nanomaterials with plasmonic or photonic features to this Special Issue of Chemosensors.

Optical nanomaterials are among the most active research topics. Optical regimes, such as diffraction in photonic crystals, absorption of plasmonic nanostructures, as well as color switching systems, refraction of assembled birefringent nanostructures, and emission of nanomaterials, are of great interest, both for the pure scientific interest and for the many applications in which they are potentially involved. This Special Issue aims to be an opportunity to collect experimental and theoretical research works in these areas, giving space to the design, preparation, characterization, simulations, and applications of these innovative and promising optical materials.

We invite you to submit a manuscript for this Special Issue; full papers, communications, and reviews are all welcome.

The focuses of this Special Issue include (but are not limited to) the following:

  • Design of nanomaterials for photonics or plasmonics;
  • Development and preparation methods for photonic or plasmonic nanomaterials;
  • Structure–property relationships in photonic or plasmonic nanomaterials;
  • Theoretical simulations of photonic and plasmonic nanostructures;
  • Metal nanoparticles/polymers hybrid materials in plasmonic and photonic applications;
  • Photonic or plasmonic nanomaterials for sensing and biosensing;
  • Photonic or plasmonic nanomaterials for energy conversion and storage.

Dr. Iole Venditti
Dr. Paolo Prosposito
Dr. Alessandra Paladini
Guest Editors

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.

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

16 pages, 3882 KiB  
Article
Rational Design and Optimization of Plasmonic Nanohole Arrays for Sensing Applications
by Daniela Lospinoso, Adriano Colombelli, Roberto Rella and Maria Grazia Manera
Chemosensors 2024, 12(8), 157; https://doi.org/10.3390/chemosensors12080157 - 8 Aug 2024
Viewed by 1145
Abstract
The design and optimization of plasmonic nanohole arrays (NHAs) as transducers for efficient bioanalytical sensing is a rapidly growing field of research. In this work, we present a rational method for tailoring the optical and functional properties of Au NHAs realized on planar [...] Read more.
The design and optimization of plasmonic nanohole arrays (NHAs) as transducers for efficient bioanalytical sensing is a rapidly growing field of research. In this work, we present a rational method for tailoring the optical and functional properties of Au NHAs realized on planar transparent substrates. Experimental and numerical results demonstrate how the far- and near-field properties of the NHAs can be controlled and optimized for specific sensing applications, proving a valuable insight into the distribution of electric fields generated on the nanostructured metal surface and the depth of penetration into the surrounding media. Metal thickness is found to play a crucial role in determining the sensing volume, while the diameter of the nanoholes affects the localization of the electromagnetic field and the extent of the decay field. The remarkable surface and bulk refractive index sensitivities observed a rival performance of more complex geometric designs reported in the recent literature, showcasing their outstanding potential for chemo-biosensing applications. Full article
(This article belongs to the Special Issue Photonics and Plasmonics: New Challenges for Optical Nanostructured Materials in Sensing, 2nd Edition)
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12 pages, 1745 KiB  
Article
Poly(ethylene glycol) Diacrylate Hydrogels Doped with Silver Nanoparticles for Optical Sensing and Removing Hg(II) Ions from Water
by Luca Burratti, Michele Sisani, Irene Di Guida, Fabio De Matteis, Roberto Francini and Paolo Prosposito
Chemosensors 2023, 11(10), 518; https://doi.org/10.3390/chemosensors11100518 - 1 Oct 2023
Cited by 2 | Viewed by 2012
Abstract
In this study, an innovative approach for the integration of silver nanoparticles (AgNPs) into poly(ethylene glycol) diacrylate (PEGDA) hydrogels is described. The composite material is the first in the literature where AgNPs were doped into PEGDA using photo-polymerization technique for a double function: [...] Read more.
In this study, an innovative approach for the integration of silver nanoparticles (AgNPs) into poly(ethylene glycol) diacrylate (PEGDA) hydrogels is described. The composite material is the first in the literature where AgNPs were doped into PEGDA using photo-polymerization technique for a double function: detection and elimination of Hg(II) ions from water. The doping of AgNPs into PEGDA-based matrices was performed using a photo-polymerizable process. The Hg(II) sensing properties were explored in a concentration range from 0 to 20 mg/L. Notably, a linear dependence was observed up to 1 mg/L, accompanied by a limit of detection of 0.3 mg/L. Beyond sensing, the efficiency of the doped hydrogel in removing Hg(II) ions was also investigated and compared with an undoped PEGDA matrix. The outcome highlighted an enhanced removal efficiency of the doped material of approximately 23%. Finally, the experimental data suggested that the interaction between Hg(II) ions and the modified hydrogel adhered to the Langmuir isotherm model, which suggested that chemisorption was the driving mechanism of the adsorption of Hg(II) onto the modified hydrogel matrix. Full article
(This article belongs to the Special Issue Photonics and Plasmonics: New Challenges for Optical Nanostructured Materials in Sensing, 2nd Edition)
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