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Nanomaterials
Special Issues
Laser-Induced Nanomaterials
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Laser-Induced Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 3307

Special Issue Editors

Dr. Christopher Arnusch

E-Mail Website
Guest Editor
Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Be'er Sheva, Midreshet Ben Gurion 8499000, Israel
Interests: water treatment; laser-induced graphene; environmental technology
Dr. Swatantra P. Singh

E-Mail Website
Co-Guest Editor
Environmental Science and Engineering Department (ESED), Indian Institute of Technology Bombay, Mumbai 400076, India
Interests: environmental nanotechnology

Special Issue Information

Dear Colleagues,

Lasers have shown their useful applications in the synthesis, post-processing and characterization of nano-scale materials since their discovery in 1960. Lasers are routinely used as tools, with exceptional capabilities in many applications of material processing. Some non-limiting examples include femtosecond direct writing laser processing, which can alter the structure of many surfaces, including changing the surface chemical composition, while other lasers have been shown to convert polymer materials into laser-induced graphene patterned surfaces.

These laser-induced nanomaterials are fascinating materials, useful for applications such as electronics, sensing, environmental applications and many others. The excitement surrounding this process is partly due to the fact that the resulting nanomaterial is easily fabricated, combined with the fact that the process can be controlled to change the pattern or the material’s surface and electrical properties. However, more research is necessary to explore the full potential of these laser processing methods, and especially the development of these methods to obtain novel composites. For example, polymer composites and metal nanoparticle composites have resulted in significant advances in material properties as well as robustness, and demonstrate increased utility in multiple applications.

This Special Issue focuses on the latest studies and examples of laser-induced nanomaterials. It aims to attract both academic and industrial researchers in order to foster the current knowledge of these unique nanomaterials and to present new ideas for future applications and new technologies.

Dr. Christopher Arnusch
Dr. Swatantra P. Singh
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

  • laser-induced nanomaterials
  • composites
  • metal doping
  • sensors
  • supercapacitors
  • environmental technology
  • electrothermal
  • photothermal
  • electrochemical

Published Papers (2 papers)

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Research

13 pages, 13792 KiB  
Article
Effect of Laser Irradiation and Tensile Stress on Microstructure and Magnetic Properties of Fe-Based Amorphous Alloys
by Yunxia Yao, Haoxuan Huang, Cai Chen, Mayan Ni and Sen Yang
Nanomaterials 2024, 14(1), 58; https://doi.org/10.3390/nano14010058 - 25 Dec 2023
Viewed by 679
Abstract
The effect of laser irradiation and tensile stress on the microstructure and soft magnetic properties of the FeSiBNbCu nanocrystalline alloy prepared using a continuous laser has been investigated. The experimental results indicate that a decreased laser scanning speed provides more thermal energy to [...] Read more.
The effect of laser irradiation and tensile stress on the microstructure and soft magnetic properties of the FeSiBNbCu nanocrystalline alloy prepared using a continuous laser has been investigated. The experimental results indicate that a decreased laser scanning speed provides more thermal energy to induce nanocrystals and encourage grain growth. When the scanning speed is excessively high, the crystallization process will cease due to a lack of energy to drive diffusion phase transitions. Nevertheless, the introduction of tensile stress could significantly promote crystallization in FeSiBNbCu alloy samples irradiated at these high laser scanning speeds. This phenomenon can be attributed to the augmentation of compressive thermal stress at the interface between the laser-treated track and the untreated region. This heightened compressive stress promotes the diffusivity of atoms, and, as a result, the transformation from amorphous to crystalline states can be enhanced. As the applied tensile stress increases, both grain size and crystalline volume fraction exhibit a proportional augmentation. Consequently, these changes manifest in the soft magnetic properties. The crystalline volume fraction can reach 62%, and the coercivity is 2.9 A/m at the optimized scanning speed; these values correspond to 54% and 3.3 A/m under specific tensile stress loading. Full article
(This article belongs to the Special Issue Laser-Induced Nanomaterials)
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21 pages, 7675 KiB  
Article
A Laser-Induced Graphene-Titanium(IV) Oxide Composite for Adsorption Enhanced Photodegradation of Methyl Orange
by Brhane A. Tesfahunegn, Maurício Nunes Kleinberg, Camilah D. Powell and Christopher J. Arnusch
Nanomaterials 2023, 13(5), 947; https://doi.org/10.3390/nano13050947 - 05 Mar 2023
Cited by 3 | Viewed by 2260
Abstract
Numerous treatment methods such as biological digestion, chemical oxidation, and coagulation have been used to treat organic micropollutants. However, such wastewater treatment methods can be either inefficient, expensive, or environmentally unsound. Here, we embedded TiO2 nanoparticles in laser-induced graphene (LIG) and obtained [...] Read more.
Numerous treatment methods such as biological digestion, chemical oxidation, and coagulation have been used to treat organic micropollutants. However, such wastewater treatment methods can be either inefficient, expensive, or environmentally unsound. Here, we embedded TiO2 nanoparticles in laser-induced graphene (LIG) and obtained a highly efficient photocatalyst composite with pollutant adsorption properties. TiO2 was added to LIG and lased to form a mixture of rutile and anatase TiO2 with a decreased band gap (2.90 ± 0.06 eV). The LIG/TiO2 composite adsorption and photodegradation properties were tested in solutions of a model pollutant, methyl orange (MO), and compared to the individual and mixed components. The adsorption capacity of the LIG/TiO2 composite was 92 mg/g using 80 mg/L MO, and together the adsorption and photocatalytic degradation resulted in 92.8% MO removal in 10 min. Adsorption enhanced photodegradation, and a synergy factor of 2.57 was seen. Understanding how LIG can modify metal oxide catalysts and how adsorption can enhance photocatalysis might lead to more effective pollutant removal and offer alternative treatment methods for polluted water. Full article
(This article belongs to the Special Issue Laser-Induced Nanomaterials)
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