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Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic...
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Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanofabrication and Nanomanufacturing".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 4019

Special Issue Editors

Dr. Antonino Scandurra

E-Mail Website
Guest Editor
Department of Physics and Astronomy “Ettore Majorana”, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy
Interests: nanofabrication; nano-electrochemical sensors; electroanalysis; X-ray photoelectron spectroscopy
Special Issues, Collections and Topics in MDPI journals
Dr. Francesco Ruffino

E-Mail Website
Guest Editor
Department of Physics and Astronomy “Ettore Majorana”, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy
Interests: nanofabrication; metal nanostructures; mesoscopic physics; scanning probe microscopy; plasmonics; laser-based nanofabrication
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Basing on the success of the first edition of the Special Issue “Laser-Matter Interaction for Nanostructuration and Characterization: From Fundamentals to Sensing and Energy Applications”, we are glad to announce this Special Issue of Nanomaterials “Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing”.

Health care, global warming and climate change, sustainable energy production are key themes of the actual research. At the same time, nanomaterials represent one of the most important topics of 21st-century scientific and technological research. Thus, recent years have seen the exploitation of the nanomaterials potentialities in all the technological fields connected to human society challenges. Over the last few years, among the various fabrication methods, laser technology for nanoscale material synthesis and processing has seen an enormous development. In fact, the use of lasers has opened up new possibilities for material nanoprocessing because of a wide variety of nanostructures which can be obtained due to laser–matter interaction phenomena and controlling the laser process parameters.

Quantum sensing technology has become of enormous importance in recent years thanks to its particular versatility and unconventional responses, ranging from optical, electrochemical, magnetic and electrical sensing. For this Special Issue, we invite researchers to submit original research articles, letters, as well as review and prospective view articles on laser-matter interaction for nanostructuration applied to the production and characterization of quantum sensing materials.

Dr. Antonino Scandurra
Dr. Francesco Ruffino
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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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

  • near-field-induced spatially-confined photochemical deposition
  • laser-assisted chemical vapor deposition (LCVD)
  • laser dewetting of metals
  • laser ablation
  • laser vaporization
  • pulsed laser deposition (PLD)
  • sensing and biosensing
  • plasmonics
  • fundamentals quantum sensing
  • optical quantum sensing
  • electrochemical quantum sensing
  • magnetic quantum sensing
  • electrical quantum sensing

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Published Papers (4 papers)

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Research

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15 pages, 2114 KiB  
Article
Laser-Induced Graphene Electrodes for Flexible pH Sensors
by Giulia Massaglia, Giacomo Spisni, Tommaso Serra and Marzia Quaglio
Nanomaterials 2024, 14(24), 2008; https://doi.org/10.3390/nano14242008 - 14 Dec 2024
Viewed by 611
Abstract
In the growing field of personalized medicine, non-invasive wearable devices and sensors are valuable diagnostic tools for the real-time monitoring of physiological and biokinetic signals. Among all the possible multiple (bio)-entities, pH is important in defining health-related biological information, since its variations or [...] Read more.
In the growing field of personalized medicine, non-invasive wearable devices and sensors are valuable diagnostic tools for the real-time monitoring of physiological and biokinetic signals. Among all the possible multiple (bio)-entities, pH is important in defining health-related biological information, since its variations or alterations can be considered the cause or the effect of disease and disfunction within a biological system. In this work, an innovative (bio)-electrochemical flexible pH sensor was proposed by realizing three electrodes (working, reference, and counter) directly on a polyimide (Kapton) sheet through the implementation of CO2 laser writing, which locally converts the polymeric sheet into a laser-induced graphene material (LIG electrodes), preserving inherent mechanical flexibility of Kapton. A uniform distribution of nanostructured PEDOT:PSS was deposited via ultrasonic spray coating onto an LIG working electrode as the active material for pH sensing. With a pH-sensitive PEDOT coating, this flexible sensor showed good sensitivity defined through a linear Nernstian slope of (75.6 ± 9.1) mV/pH, across a pH range from 1 to 7. We demonstrated the capability to use this flexible pH sensor during dynamic experiments, and thus concluded that this device was suitable to guarantee an immediate response and good repeatability by measuring the same OCP values in correspondence with the same pH applied. Full article
(This article belongs to the Special Issue Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing)
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12 pages, 2101 KiB  
Article
Laser Desorption/Ionization on Au@TiO2 Core@Shell Nanostars for Mass Spectrometric Analysis of Small Molecules
by Hye-Sun Cho, Jueun Koh, Gyeonghye Yim, Hongje Jang and Young-Kwan Kim
Nanomaterials 2024, 14(23), 1946; https://doi.org/10.3390/nano14231946 - 4 Dec 2024
Viewed by 707
Abstract
The core@shell nanostars composed of star-like Au nanocores with TiO2 shells (Au@TiO2 NSs) are synthesized in a one-pot reaction without any reducing or surface-controlling agents. The Au@TiO2 NSs exhibit strong absorption in the UV region based on the interaction between [...] Read more.
The core@shell nanostars composed of star-like Au nanocores with TiO2 shells (Au@TiO2 NSs) are synthesized in a one-pot reaction without any reducing or surface-controlling agents. The Au@TiO2 NSs exhibit strong absorption in the UV region based on the interaction between the Au nanocore and the TiO2 shell, and this optochemical property leads to the efficient laser desorption/ionization time-of-flight mass spectrometry (LDI-TOF-MS) analysis of small molecules with low background interference and high reproducible mass signals compared with spherical Au nanoparticles (NPs). The limit of detection and dynamic range values of various analytes also improved with Au@TiO2 NSs compared with those obtained with spherical Au NPs. Our findings successfully demonstrate that Au@TiO2 NSs are a promising matrix for the LDI-TOF-MS analysis of various small molecules as well as synthetic polymers. Full article
(This article belongs to the Special Issue Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing)
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12 pages, 1505 KiB  
Article
(Sub-)Picosecond Surface Correlations of Femtosecond Laser Excited Al-Coated Multilayers Observed by Grazing-Incidence X-ray Scattering
by Lisa Randolph, Mohammadreza Banjafar, Toshinori Yabuuchi, Carsten Baehtz, Michael Bussmann, Nicholas P. Dover, Lingen Huang, Yuichi Inubushi, Gerhard Jakob, Mathias Kläui, Dmitriy Ksenzov, Mikako Makita, Kohei Miyanishi, Mamiko Nishiuchi, Özgül Öztürk, Michael Paulus, Alexander Pelka, Thomas R. Preston, Jan-Patrick Schwinkendorf, Keiichi Sueda, Tadashi Togashi, Thomas E. Cowan, Thomas Kluge, Christian Gutt and Motoaki Nakatsutsumiadd Show full author list remove Hide full author list
Nanomaterials 2024, 14(12), 1050; https://doi.org/10.3390/nano14121050 - 19 Jun 2024
Viewed by 1459
Abstract
Femtosecond high-intensity laser pulses at intensities surpassing 1014 W/cm2 can generate a diverse range of functional surface nanostructures. Achieving precise control over the production of these functional structures necessitates a thorough understanding of the surface morphology dynamics with nanometer-scale spatial resolution [...] Read more.
Femtosecond high-intensity laser pulses at intensities surpassing 1014 W/cm2 can generate a diverse range of functional surface nanostructures. Achieving precise control over the production of these functional structures necessitates a thorough understanding of the surface morphology dynamics with nanometer-scale spatial resolution and picosecond-scale temporal resolution. In this study, we show that single XFEL pulses can elucidate structural changes on surfaces induced by laser-generated plasmas using grazing-incidence small-angle X-ray scattering (GISAXS). Using aluminium-coated multilayer samples we distinguish between sub-picosecond (ps) surface morphology dynamics and subsequent multi-ps subsurface density dynamics with nanometer-depth sensitivity. The observed subsurface density dynamics serve to validate advanced simulation models representing matter under extreme conditions. Our findings promise to open new avenues for laser material-nanoprocessing and high-energy-density science. Full article
(This article belongs to the Special Issue Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing)
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Review

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31 pages, 42133 KiB  
Review
Versatile Porphyrin Arrangements for Photodynamic Therapy—A Review
by Arleta Glowacka-Sobotta, Beata Czarczynska-Goslinska, Daniel Ziental, Marcin Wysocki, Maciej Michalak, Emre Güzel and Lukasz Sobotta
Nanomaterials 2024, 14(23), 1879; https://doi.org/10.3390/nano14231879 - 22 Nov 2024
Viewed by 747
Abstract
Nanotechnology is an emerging field that involves the development of nanoscale particles, their fabrication methods, and potential applications. From nanosized inorganic particles to biopolymers, the variety of nanoparticles is unstoppably growing, offering huge opportunities for drug delivery. Various nanoformulations, such as nanoparticles, nanocomposites, [...] Read more.
Nanotechnology is an emerging field that involves the development of nanoscale particles, their fabrication methods, and potential applications. From nanosized inorganic particles to biopolymers, the variety of nanoparticles is unstoppably growing, offering huge opportunities for drug delivery. Various nanoformulations, such as nanoparticles, nanocomposites, and nanoemulsions, have been developed to enhance drug stability, solubility, and tissue penetration. Moreover, nanocarriers can be specifically engineered to target diseased cells or release the drug in a controllable manner, minimizing damage to surrounding healthy tissues and reducing side effects. This review focuses on the combinations between porphyrin derivatives and nanocarriers applied in photodynamic therapy (PDT). PDT has emerged as a significant advance in medicine, offering a low-invasive method for managing infections, the treatment of tumors, and various dermatoses. The therapy relies on the activation of a photosensitizer by light, which results in the generation of reactive oxygen species. Despite their favorable properties, porphyrins reveal non-specific distribution within the body. Nanotechnology has the capability to enhance the PS delivery and its activation. This review explores the potential improvements that are provided by the use of nanotechnology in the PDT field. Full article
(This article belongs to the Special Issue Laser-Matter Interaction for Nanostructuration: From Fundamentals to Optical, Electrochemical, Magnetic and Electrical Quantum Sensing)
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