Advances in Nanoscale Materials for Electrocatalytic and Sensing Applications

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 338

Special Issue Editor


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Guest Editor
College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
Interests: nanomaterials; electrocatalytic applications; sensors

Special Issue Information

Dear Colleagues,

Nanoscale materials, with at least one dimension typically ranging from 1 to 100 nanometers, have emerged as a transformative class of materials due to their exceptional physical, chemical, and electronic properties. These materials offer a high surface-to-volume ratio, significantly enhancing their reactivity and sensitivity, making them ideal candidates for various applications. In electrocatalysis, nanoscale materials have shown remarkable potential in accelerating electrochemical reactions, crucial for energy conversion and storage technologies. For sensing applications, their high surface area and tunable properties enable the development of highly sensitive and selective sensors capable of detecting trace amounts of analytes in complex environments.

We invite researchers to submit original research articles and reviews that highlight the latest advancements in the synthesis, characterization, and application of nanoscale materials for electrocatalytic and sensing applications.

Topics of interest include, but are not limited to, the following:

  • Synthesis and characterization of novel nanoscale materials;
  • Mechanistic studies of electrocatalytic processes;
  • Development of high-performance sensors based on nanoscale materials for detecting various analytes;
  • Integration of nanoscale materials into devices for practical applications;
  • Computational and theoretical studies on the properties and performance of nanoscale materials in electrocatalytic and sensing systems;
  • Environmental and biological applications of nanoscale materials in sensing and electrocatalysis.

Dr. Ming Su
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. Crystals 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 2100 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

  • nanoscale materials
  • synthesis and characterization
  • nanocrystals
  • nanocatalysts
  • electrocatalysis
  • electrocatalytic mechanisms
  • nanosensors
  • sensing applications

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Published Papers (1 paper)

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Research

13 pages, 2971 KiB  
Article
One-Pot Synthesis of CuS/Co3S4@MWCNT Composite as a High-Efficiency Catalyst for the Hydrogen Evolution Reaction
by Xinyuan Zhang, Meng Sun, Haibo Guo and Ming Su
Crystals 2025, 15(6), 505; https://doi.org/10.3390/cryst15060505 - 26 May 2025
Viewed by 242
Abstract
Pursuing cost-effective non-precious metal electrocatalysts is a key challenge in the field of sustainable energy conversion. Transition metal dichalcogenides, known for their unique electronic structure, demonstrate superior electrocatalytic capabilities for the hydrogen evolution reaction (HER), yet their effectiveness is still lacking. In the [...] Read more.
Pursuing cost-effective non-precious metal electrocatalysts is a key challenge in the field of sustainable energy conversion. Transition metal dichalcogenides, known for their unique electronic structure, demonstrate superior electrocatalytic capabilities for the hydrogen evolution reaction (HER), yet their effectiveness is still lacking. In the present study, a CuS/Co3S4@MWCNT composite was fabricated via single-step hydrothermal synthesis for HER applications. This catalyst exploited the synergistic effects between CuS and Co3S4 to increase edge site functionalities and metallic conductivity, thereby resulting in high catalytical activity within the material. Furthermore, the incorporation of multi-walled carbon nanotubes (MWCNTs) into the composite effectively enhanced electron transfer kinetics throughout the HER process. Notably, thiourea serves a dual function in this synthesis, acting both as a reducing agent and as a sulfur source for the formation of metal sulfides. When evaluated in a 1 M KOH alkaline electrolyte, the synthesized nanocomposite exhibited a minimal overpotential of 300 mV to reach a current density of 10 mA/cm2, and a Tafel slope of merely 76.2 mV/dec, indicative of its good HER catalytic activity. These findings underscore the composite’s potential for application in hydrogen production technologies. Full article
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