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Nanomaterials
Special Issues
Advanced Nanomaterials in Electrocatalysis
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Advanced Nanomaterials in Electrocatalysis

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

Deadline for manuscript submissions: 30 November 2026 | Viewed by 1187

Editor

Dr. Yanqing Jiao

E-Mail Website
Guest Editor
Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University, Harbin 150080, China
Interests: nanomaterials; environmental catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanocatalysis has revolutionized environmental remediation and sustainable energy solutions by harnessing the exceptional properties of nanomaterials. This Special Issue invites cutting-edge research on advanced nanocatalysts for pollution control, renewable energy, and green chemistry. Areas of interest include, but are not limited to, the following:

Design and synthesis of novel nanocatalysts;

Electrocatalysis for energy conversion and storage;

Mechanistic studies and computational modeling of catalytic processes;

Catalytic degradation of water and air pollutants;

Sustainability and lifecycle analysis of nanocatalytic systems.

We welcome original research articles, reviews, and perspectives from researchers within the fields of chemistry, material science, and environmental engineering. This Special Issue hopes to foster innovation for a cleaner, more sustainable future.

Dr. Yanqing Jiao
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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

  • nanocatalysis
  • electrocatalysis
  • environmental remediation
  • pollutant degradation
  • green chemistry
  • sustainable catalysis

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Published Papers (2 papers)

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Research

17 pages, 3824 KB  
Article
Oxygen-Vacancy-Rich TiO2 Nanosheets with High Stability for Efficient Photocatalytic Cr(VI) Reduction
by Yingjie Jiang, Xiaoli Jia, Li Fang, Qin Zhang, Ruiting Li, Bingqian Zhao, Jiancong Liu and Yaorui Li
Nanomaterials 2026, 16(13), 832; https://doi.org/10.3390/nano16130832 - 7 Jul 2026
Viewed by 533
Abstract
Defect engineering of anatase TiO2 nanosheets by hydrogen reduction is a compelling strategy to boost visible light photocatalytic Cr(VI) reduction, a process of vital importance for detoxifying highly toxic and carcinogenic Cr(VI) pollutants. However, the necessary high-temperature hydrogen treatment invariably induces morphological [...] Read more.
Defect engineering of anatase TiO2 nanosheets by hydrogen reduction is a compelling strategy to boost visible light photocatalytic Cr(VI) reduction, a process of vital importance for detoxifying highly toxic and carcinogenic Cr(VI) pollutants. However, the necessary high-temperature hydrogen treatment invariably induces morphological collapse, negating the structural merits of the two-dimensional nanosheets. Herein, we propose an ethylenediamine reflux protection strategy combined with hydrogen reduction to fabricate defect-rich TiO2 nanosheets (EN-TiO2−x-NS) that preserve the original morphology. The resulting EN-TiO2−x-NS retained the square nanosheet structure and (001) facets, while Ti3+ and oxygen vacancies were successfully introduced. The bandgap narrowed from 2.95 to 2.55 eV, leading to enhanced visible light absorption and charge separation efficiency. For photocatalytic Cr(VI) reduction under visible light, EN-TiO2−x-NS achieved a removal rate of 97.3% within 20 min, with a rate constant 1.93 times higher than that of pristine TiO2 nanosheets and 3.17 times higher than that of the directly hydrogenated sample. The catalyst also exhibited excellent cycling stability. This work demonstrates a synergistic strategy combining morphology preservation and defect engineering, providing a new approach for designing high-performance TiO2-based photocatalysts. Full article
(This article belongs to the Special Issue Advanced Nanomaterials in Electrocatalysis)
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15 pages, 2926 KB  
Article
Low-Loading Pt Nanoparticles Anchored on Niobium Nitride for Highly Efficient Alkaline Hydrogen Evolution
by Siyi Yang, Guimin Wang, Wei Yang, Xiaoru Li, Chunmei Lv, Aiping Wu, Haijing Yan and Yanqing Jiao
Nanomaterials 2026, 16(12), 751; https://doi.org/10.3390/nano16120751 - 15 Jun 2026
Viewed by 395
Abstract
Pt-based catalysts remain the premier hydrogen evolution reaction (HER) electrocatalysts for anion-exchange membrane water electrolyzers. Faced with insufficient abundance and high cost, developing low-Pt electrocatalysts that can accelerate the Volmer step while maintaining high durability is critically important yet challenging. Herein, we propose [...] Read more.
Pt-based catalysts remain the premier hydrogen evolution reaction (HER) electrocatalysts for anion-exchange membrane water electrolyzers. Faced with insufficient abundance and high cost, developing low-Pt electrocatalysts that can accelerate the Volmer step while maintaining high durability is critically important yet challenging. Herein, we propose niobium nitrides with excellent conductivity and stability as supports for Pt to enhance the alkaline HER. A polyoxoniobate-based molecular self-assembly strategy was ingeniously designed to fabricate Nb4N5 nanospheres, on which ultrafine Pt nanoparticles (NPs) were successfully immobilized, forming Pt/Nb4N5 heterostructures (denoted as Pt/Nb4N5). The rich interface structures with metal–support interactions drive charge transfer from Pt to Nb4N5, which modulates the electronic structure of Pt and Nb sites, collectively lowering interfacial charge transfer resistance, generating abundant active sites, and improving catalyst durability. Consequently, the Pt/Nb4N5 catalyst achieves exceptional HER performance, including a low overpotential (22 mV@10 mA cm−2), a small Tafel slope (26 mV dec−1), an 11.5-fold higher mass activity at 150 mV, and remarkable durability, drastically surpassing the commercial Pt/C catalyst. Notably, the Pt/Nb4N5-based electrolyzer requires only 1.508 V to drive 10 mA cm−2. This work offers a viable pathway to engineer highly active and durable low-Pt electrocatalysts for energy-related applications. Full article
(This article belongs to the Special Issue Advanced Nanomaterials in Electrocatalysis)
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