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Nanomaterials
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Electrochemistry of Nanomaterials and/or Nanostructures
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Electrochemistry of Nanomaterials and/or Nanostructures

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 11023

Special Issue Editor

Dr. Javier Hernández-Ferrer

E-Mail Website
Guest Editor
CSIC - Instituto de Carboquimica (ICB), Zaragoza, Spain
Interests: nanomaterials electrochemistry; nanomaterials for electrochemical sensing; electrocatalysis of nanomaterials; electrochemical characterization of nanomaterials; photoelectrochemistry of nanomaterials

Special Issue Information

Dear Colleagues,

New materials, such as carbon nanomaterials (graphene, graphene oxide, carbon nanotubes, carbon dots, etc.), transition metal dichalcogenides, MXenes, earth-abundant non-noble metal nanostructures, and other kinds of nanostructures, are receiving increasing attention due to their outstanding performance in many electrochemical reactions and processes of practical interest. Electrochemical sensing, fuel cells, metal–air batteries, electrochemical flow batteries, water splitting, optoelectronic devices, water remediation, and other critical processes are being propelled with the development of new nanomaterials and nanotechnology.

Given the increasing importance and relevance of the electrochemical properties of nanomaterials in the aforementioned energy, sensing, environmental, and other promising applications, this Special Issue, “Electrochemistry of Nanomaterials and/or Nanostructures”, in the journal Nanomaterials is open for the submission of manuscripts. Any relevant research concerning the electrochemical and photoelectrochemical properties of nanomaterials and nanostructured materials is welcome. Papers about electrochemical characterization, processing, and applications of nanomaterials will be considered.

Nanomaterials, published by MDPI, is a journal with an impact factor of 4.034, and the submitted manuscripts will be reviewed by top researchers in synthesis, characterization, electrocatalysis, electroanalysis, and the multiple electrochemical applications of nanostructured materials. The deadline for manuscript submission is 30 December, 2020.

Dr. Javier Hernández-Ferrer
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 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

  • Nanomaterials electrochemistry
  • Nanomaterials for electrochemical sensing
  • Electrocatalysis of nanomaterials
  • Electrochemical characterization of nanomaterials
  • Photoelectrochemistry of nanomaterials

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

Published Papers (3 papers)

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Research

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12 pages, 529 KiB  
Article
Electrochemical Immunosensors with PQQ-Decorated Carbon Nanotubes as Signal Labels for Electrocatalytic Oxidation of Tris(2-carboxyethyl)phosphine
by Xiaohua Ma, Dehua Deng, Ning Xia, Yuanqiang Hao and Lin Liu
Nanomaterials 2021, 11(7), 1757; https://doi.org/10.3390/nano11071757 - 5 Jul 2021
Cited by 4 | Viewed by 2336
Abstract
Nanocatalysts are a promising alternative to natural enzymes as the signal labels of electrochemical biosensors. However, the surface modification of nanocatalysts and sensor electrodes with recognition elements and blockers may form a barrier to direct electron transfer, thus limiting the application of nanocatalysts [...] Read more.
Nanocatalysts are a promising alternative to natural enzymes as the signal labels of electrochemical biosensors. However, the surface modification of nanocatalysts and sensor electrodes with recognition elements and blockers may form a barrier to direct electron transfer, thus limiting the application of nanocatalysts in electrochemical immunoassays. Electron mediators can accelerate the electron transfer between nanocatalysts and electrodes. Nevertheless, it is hard to simultaneously achieve fast electron exchange between nanocatalysts and redox mediators as well as substrates. This work presents a scheme for the design of electrochemical immunosensors with nanocatalysts as signal labels, in which pyrroloquinoline quinone (PQQ) is the redox-active center of the nanocatalyst. PQQ was decorated on the surface of carbon nanotubes to catalyze the electrochemical oxidation of tris(2-carboxyethyl)phosphine (TCEP) with ferrocenylmethanol (FcM) as the electron mediator. With prostate-specific antigen (PSA) as the model analyte, the detection limit of the sandwich-type immunosensor was found to be 5 pg/mL. The keys to success for this scheme are the slow chemical reaction between TCEP and ferricinum ions, and the high turnover frequency between ferricinum ions, PQQ. and TCEP. This work should be valuable for designing of novel nanolabels and nanocatalytic schemes for electrochemical biosensors. Full article
(This article belongs to the Special Issue Electrochemistry of Nanomaterials and/or Nanostructures)
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11 pages, 1689 KiB  
Article
Carbon Nanotube Film Electrodes with Acrylic Additives: Blocking Electrochemical Charge Transfer Reactions
by Alejandro Ansón-Casaos, Olga Sanahuja-Parejo, Javier Hernández-Ferrer, Ana M. Benito and Wolfgang K. Maser
Nanomaterials 2020, 10(6), 1078; https://doi.org/10.3390/nano10061078 - 31 May 2020
Cited by 10 | Viewed by 3364
Abstract
Carbon nanotubes (CNTs) processed into conductive films by liquid phase deposition technologies reveal increasing interest as electrode components in electrochemical device platforms for sensing and energy storage applications. In this work we show that the addition of acrylic latex to water-based CNT inks [...] Read more.
Carbon nanotubes (CNTs) processed into conductive films by liquid phase deposition technologies reveal increasing interest as electrode components in electrochemical device platforms for sensing and energy storage applications. In this work we show that the addition of acrylic latex to water-based CNT inks not only favors the fabrication of stable and robust flexible electrodes on plastic substrates but, moreover, sensitively enables the control of their electrical and electrochemical transport properties. Importantly, within a given concentration range, the acrylic additive in the films, being used as working electrodes, effectively blocks undesired faradaic transfer reactions across the electrode–electrolyte interface while maintaining their capacitance response as probed in a three-electrode electrochemical device configuration. Our results suggest a valuable strategy to enhance the chemical stability of CNT film electrodes and to suppress non-specific parasitic electrochemical reactions of relevance to electroanalytical and energy storage applications. Full article
(This article belongs to the Special Issue Electrochemistry of Nanomaterials and/or Nanostructures)
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Review

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58 pages, 10060 KiB  
Review
Multimodal/Multifunctional Nanomaterials in (Bio)electrochemistry: Now and in the Coming Decade
by Paloma Yáñez-Sedeño, Araceli González-Cortés, Susana Campuzano and José Manuel Pingarrón
Nanomaterials 2020, 10(12), 2556; https://doi.org/10.3390/nano10122556 - 19 Dec 2020
Cited by 14 | Viewed by 3901
Abstract
Multifunctional nanomaterials, defined as those able to achieve a combined effect or more than one function through their multiple functionalization or combination with other materials, are gaining increasing attention in the last years in many relevant fields, including cargo targeted delivery, tissue engineering, [...] Read more.
Multifunctional nanomaterials, defined as those able to achieve a combined effect or more than one function through their multiple functionalization or combination with other materials, are gaining increasing attention in the last years in many relevant fields, including cargo targeted delivery, tissue engineering, in vitro and/or in vivo diseases imaging and therapy, as well as in the development of electrochemical (bio)sensors and (bio)sensing strategies with improved performance. This review article aims to provide an updated overview of the important advances and future opportunities exhibited by electrochemical biosensing in connection to multifunctional nanomaterials. Accordingly, representative aspects of recent approaches involving metal, carbon, and silica-based multifunctional nanomaterials are selected and critically discussed, as they are the most widely used multifunctional nanomaterials imparting unique capabilities in (bio)electroanalysis. A brief overview of the main remaining challenges and future perspectives in the field is also provided. Full article
(This article belongs to the Special Issue Electrochemistry of Nanomaterials and/or Nanostructures)
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