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Nanomaterials
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Two Dimensional Nanostructures with Efficient Catalytic Performance for Energy and...
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Two Dimensional Nanostructures with Efficient Catalytic Performance for Energy and Environment Applications

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

Deadline for manuscript submissions: 30 December 2025 | Viewed by 467

Special Issue Editors

Prof. Dr. Shifeng Wang

E-Mail Website
Guest Editor
Key Laboratory of Plateau Oxygen and Living Environment of Xizang Autonomous Region, College of Science, Xizang University, Lhasa 850000, China
Interests: 2D nanomaterials and nanostructures; photocatalysts and environment applications; electrocatalyts for energy applications; renewable energy
Special Issues, Collections and Topics in MDPI journals
Dr. Yong Li

E-Mail Website
Guest Editor
Key Laboratory of Plateau Oxygen and Living Environment of Xizang Autonomous Region, College of Science, Xizang University, Lhasa 850000, China
Interests: advances in photo-/electrocatalysis for sustainable energy and environmental applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yuanhao Wang

E-Mail Website
Guest Editor
Research Institute of Urbanization and Urban Safety, College of Future City, University of Science and Technology Beijing, Beijing, China
Interests: micro-nano functional materials for green buildings; research on the durability of metamaterials; optoelectronic materials and devices

Special Issue Information

Dear Colleagues,

The urgent need for sustainable energy solutions and environmental remediation has driven the exploration of innovative technologies, among which functional nanocatalysts stand out for their pivotal role in energy conversion and environmental applications due to their unique properties, such as their high surface areas, tunable pore sizes, and the ability to facilitate various reactions at the nanoscale.

This Special Issue aims to spotlight the latest advancements in design of the nanomaterials and nanostructures for nanocatalyst research, focusing on their application in crucial reactions and processes that address current energy-related and environmental challenges. We invite contributions that explore the synthesis, characterization, and application of nanocatalysts in a range of important reactions and processes. Potential topics include, but are not limited to, the following:

  • CO2 capture and reduction strategies;
  • Electrocatalytic oxygen evolution reactions (OERs), oxygen reduction reactions (ORRs), and hydrogen evolution reactions (HERs);
  • The photoreduction of pollutants;
  • Nitrogen fixation for sustainable agriculture;
  • The synthesis of value-added chemicals from renewable resources;
  • Carbon-based materials (graphene and carbon nanotubes) for energy-related and environmental applications;
  • Membrane technologies used for water purification and gas separation;
  • The green synthesis of nanoparticles and their applications in catalysis;
  • The design of core–shell structures and heterojunctions for boosting catalytic performance;
  • Machine learning and AI in the discovery and optimization of nanomaterials.

With this Special Issue, we seek to provide a comprehensive platform for researchers to share their findings on the development and application of functional nanocatalysts, fostering a multidisciplinary dialogue and inspiring further advancements and applications that contribute to a sustainable future.

Prof. Dr. Shifeng Wang
Dr. Yong Li
Prof. Dr. Yuanhao Wang
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 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

  • CO2 reduction reaction
  • oxygen and hydrogen evolution reactions
  • photocatalysis
  • nanocatalysts
  • water purification

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Published Papers (1 paper)

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Research

13 pages, 7489 KiB  
Article
Interface Charge Transfer Engineering in NiFe Layered Double Hydroxide-Cs0.32WO3 Heterostructures for Enhanced Oxygen Evolution Reaction
by Ze Wang, Xinyu Song, Yue Liu, Zhiwang Sun, Xin Zhang, Yuanhao Wang and Shifeng Wang
Nanomaterials 2025, 15(16), 1255; https://doi.org/10.3390/nano15161255 - 14 Aug 2025
Viewed by 312
Abstract
Electrochemical water splitting for hydrogen production is considered a key pathway for achieving sustainable energy conversion. However, the sluggish reaction kinetics of the oxygen evolution reaction (OER) and high overpotentials severely hinder the large-scale application of water electrolysis technology. Nickel–iron layered double hydroxide [...] Read more.
Electrochemical water splitting for hydrogen production is considered a key pathway for achieving sustainable energy conversion. However, the sluggish reaction kinetics of the oxygen evolution reaction (OER) and high overpotentials severely hinder the large-scale application of water electrolysis technology. Nickel–iron layered double hydroxide (NiFe-LDH) has gained attention as a promising non-precious metal OER catalyst due to its abundant active sites and good intrinsic activity. However, its relatively low conductivity and charge transfer efficiency limit the improvement of catalytic performance. Therefore, this study used a simple hydrothermal method to generate a NiFe-LDH/Cs0.32WO3 heterojunction composite catalyst, relying on the excellent electronic conductivity of Cs0.32WO3 to improve overall charge transfer efficiency. According to electrochemical testing results, the modified NiFe-LDH/Cs0.32WO3-20 mg achieved a low overpotential of 349 mV at a current density of 10 mA cm−2, a Tafel slope of 67.0 mV dec−1, and a charge transfer resistance of 65.1 Ω, which represent decreases of 39 mV, 23.1%, and 40%, respectively, compared to pure NiFe-LDH. The key to performance improvement lies in the tightly bonded heterojunction interface between Cs0.32WO3 and NiFe-LDH. X-ray photoelectron spectroscopy (XPS) shows a distinct interfacial charge transfer phenomenon, with a notable negative shift of the W4f peak (0.85 eV), indicating the directional transfer of electrons from Cs0.32WO3 to NiFe-LDH. Under the influence of the built-in electric field within the heterojunction, this interfacial charge redistribution improved the electronic structure of NiFe-LDH, increased the proportion of high-valent metal ions, and significantly enhanced the OER reaction kinetics. This study provides new insights for the preparation of efficient heterojunction electrocatalysts. Full article
(This article belongs to the Special Issue Two Dimensional Nanostructures with Efficient Catalytic Performance for Energy and Environment Applications)
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