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Nanomaterials
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Nanostructured Materials: Preparation and Application in Electrochemistry
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Nanostructured Materials: Preparation and Application in Electrochemistry

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

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 4489

Special Issue Editor

Dr. Cristina Tortolini

E-Mail Website
Guest Editor
Department of Experimental Medicine Sapienza, University of Rome, Rome, Italy
Interests: (bio)sensors; nanomaterials; electrode modifications; electrochemical techniques
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrochemistry is a branch of chemistry that studies the relationship between electrical and chemical changes caused by the passage of electric current and can be applied to various fields of physical, chemical, and biological sciences. Nanostructured materials are currently attracting increasing interest in the field of electrochemistry due to their favorable chemical/physical properties, including high electrical conductivity and unique electrochemical properties.

This special issue is devoted to the research on different electrochemical aspects of nanostructured materials. In particular, emerging preparation methods and multifunctional applications of nanostructured materials are briefly summarized. This Special Issue would be a collection and organization for the articles and reviews of relevant scholars, with a view to showing readers cutting-edge study in this field and promoting the development of this field.

Dr. Cristina Tortolini
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. 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 2400 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

  • electrochemical nanostructures
  • nanostructured materials
  • electrochemistry
  • energy conversion
  • electrodeposition

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Published Papers (2 papers)

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Research

12 pages, 7551 KiB  
Article
Nanostructured N, S, and P-Doped Elaeagnus Angustifolia Gum-Derived Porous Carbon with Electrodeposited Silver for Enhanced Electrochemical Sensing of Acetaminophen
by Xamxikamar Mamat, Haji Akber Aisa and Longyi Chen
Nanomaterials 2023, 13(9), 1571; https://doi.org/10.3390/nano13091571 - 8 May 2023
Cited by 2 | Viewed by 2004
Abstract
Acetaminophen (N-acetyl-p-aminophenol, APAP) is regularly used for antipyretic and analgesic purposes. Overdose or long-term exposure to APAP could lead to liver damage and hepatotoxicity. In this study, the approach of enhanced electrochemical detection of APAP by nanostructured biomass carbon/silver was developed. Porous biomass [...] Read more.
Acetaminophen (N-acetyl-p-aminophenol, APAP) is regularly used for antipyretic and analgesic purposes. Overdose or long-term exposure to APAP could lead to liver damage and hepatotoxicity. In this study, the approach of enhanced electrochemical detection of APAP by nanostructured biomass carbon/silver was developed. Porous biomass carbon derived from Elaeagnus Angustifolia gum was prepared by pyrolysis with co-doping of electron-rich elements of nitrogen, sulfur, and phosphorus. The electrodeposition of silver onto a glassy carbon electrode modified with porous carbon could enhance the sensing signal towards APAP. Two linear ranges from 61 nM to 500 μM were achieved with a limit of detection of 33 nM. The developed GCE sensor has good anti-interference, stability, reproducibility, and human urine sample analysis performance. The silver-enhanced biomass carbon GCE sensor extends the application of biomass carbon, and its facile preparation approach could be used in constructing disposable sensing chips in the future. Full article
(This article belongs to the Special Issue Nanostructured Materials: Preparation and Application in Electrochemistry)
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12 pages, 3534 KiB  
Article
Preparation of 3D Nd2O3-NiSe-Modified Nitrogen-Doped Carbon and Its Electrocatalytic Oxidation of Methanol and Urea
by Simin Zhang, Ying Chang, Aiju Xu, Jingchun Jia and Meilin Jia
Nanomaterials 2023, 13(5), 814; https://doi.org/10.3390/nano13050814 - 22 Feb 2023
Cited by 4 | Viewed by 1978
Abstract
Developing renewable energy sources and controlling water pollution are critical but challenging problems. Urea oxidation (UOR) and methanol oxidation (MOR), both of which have high research value, have the potential to effectively address wastewater pollution and energy crisis problems. A three-dimensional neodymium-dioxide/nickel-selenide-modified nitrogen-doped [...] Read more.
Developing renewable energy sources and controlling water pollution are critical but challenging problems. Urea oxidation (UOR) and methanol oxidation (MOR), both of which have high research value, have the potential to effectively address wastewater pollution and energy crisis problems. A three-dimensional neodymium-dioxide/nickel-selenide-modified nitrogen-doped carbon nanosheet (Nd2O3-NiSe-NC) catalyst is prepared in this study by using mixed freeze-drying, salt-template-assisted technology, and high-temperature pyrolysis. The Nd2O3-NiSe-NC electrode showed good catalytic activity for MOR (peak current density ~145.04 mA cm−2 and low oxidation potential ~1.33 V) and UOR (peak current density ~100.68 mA cm−2 and low oxidation potential ~1.32 V); the catalyst has excellent MOR and UOR characteristics. The electrochemical reaction activity and the electron transfer rate increased because of selenide and carbon doping. Moreover, the synergistic action of neodymium oxide doping, nickel selenide, and the oxygen vacancy generated at the interface can adjust the electronic structure. The doping of rare-earth-metal oxides can also effectively adjust the electronic density of nickel selenide, allowing it to act as a cocatalyst, thus improving the catalytic activity in the UOR and MOR processes. The optimal UOR and MOR properties are achieved by adjusting the catalyst ratio and carbonization temperature. This experiment presents a straightforward synthetic method for creating a new rare-earth-based composite catalyst. Full article
(This article belongs to the Special Issue Nanostructured Materials: Preparation and Application in Electrochemistry)
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