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Nanomaterials
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Porous Nanomaterials: Preparation, Performance, and Practical Application
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Porous Nanomaterials: Preparation, Performance, and Practical Application

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 26 September 2025 | Viewed by 1397

Special Issue Editors

Dr. Jian He

E-Mail Website
Guest Editor
School of Chemical Engineering, Sichuan University, Chengdu 610065, China
Interests: molecular dynamics; fluid flow in porous media; nanomaterial synthesis; sperhydrophobic/superhydrophilic materials
Dr. Wenbo Gong

E-Mail Website
Guest Editor
College of Safety and Ocean Engineering, China University of Petroleum, Beijing, China
Interests: multiphase flow and interfacial dynamics; pore-scale simulation and experiment; lattice Boltzmann method; dynamic pore network model

Special Issue Information

Dear Colleagues,

Due to their unique porous structure, porous materials have compelling potential for multiple fields, such as acoustics, optics, electricity, and energy. The abundance of nano/microporous structures endow these materials with a large surface area and active sites, enabling them to possess diverse functionalities. In addition, the porous structure enhances heat and mass transfer properties, which is of great scientific importance. The synthesis, modification, properties, and practical application of porous materials are currently receiving a great deal of attention from researchers; this Special Issue will focus on, but is not limited to, the following topics:

Synthesis and Processing: Novel methods for the synthesis and processing of porous materials, including template-assisted synthesis, chemical vapor deposition, and sol–gel processes.

Characterization Techniques: Developments in characterization methods that provide deeper insights into the structure and properties of porous materials, such as advanced microscopy, spectroscopy, and computational modeling.

Material Properties: Studies on the unique properties of porous materials, including their mechanical, thermal, electrical, and optical characteristics, and how these properties can be tailored for specific applications.

Applications: Exploration of the applications of porous materials in areas such as energy storage (e.g., batteries, supercapacitors), catalysis, filtration, sensing, drug delivery, and environmental remediation.

Numerical modeling: Research on the multiscale modeling of porous materials, from the molecular level to the macroscopic scale, to predict and optimize their performance.

Sustainability and Green Chemistry: Contributions that address the sustainability of porous materials, including their role in green chemistry and potential for recycling or biodegradation.

We invite outstanding researchers from around the world to submit their latest, original, and creative works prior to the stated deadline.

Dr. Jian He
Dr. Wenbo Gong
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

  • porous nanomaterials
  • activated carbon or zeolite
  • MOFs
  • energy storage and conversion
  • building energy technologies
  • flame retardant
  • adsorption
  • separation
  • biomedicine
  • electrochemistry

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

Published Papers (3 papers)

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Research

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14 pages, 5378 KiB  
Article
Development and Performance Study of Continuous Oil–Water Separation Device Based on Superhydrophobic/Oleophilic Mesh
by Tianxin Chen, Yue Wang, Jing Li, Liang Zhao, Xingyang Zhang and Jian He
Nanomaterials 2025, 15(6), 450; https://doi.org/10.3390/nano15060450 - 16 Mar 2025
Viewed by 519
Abstract
Oil–water separation is an important method for treating oily wastewater and recovering oil resources. Based on the different affinities of superhydrophobic surfaces to water and oil, long-term oil–water separation devices with low-energy and high efficiency can be developed through the optimization of structure [...] Read more.
Oil–water separation is an important method for treating oily wastewater and recovering oil resources. Based on the different affinities of superhydrophobic surfaces to water and oil, long-term oil–water separation devices with low-energy and high efficiency can be developed through the optimization of structure and process parameters. Superhydrophobic coatings were prepared on stainless-steel mesh surfaces using a spray method to construct single-channel oil–water separation equipment with superhydrophobic/oleophilic meshes, and the effects of structural and process parameters on separation efficiency were systematically investigated. Additionally, a multi-channel oil–water separation device was designed and fabricated to evaluate the feasibility and stability of long-term continuous operations. The optimized single V-shaped channel should be horizontally placed and made from 150-mesh stainless-steel mesh folded at an angle of 38.9°. For the oil–water mixtures containing 20 wt.% oil, the oil–water separation efficiencies for single and two-stage separation were 92.79% and 98.96%, respectively. After 36 h of continuous operation, the multi-channel separation device achieved single-stage and two-stage separation efficiencies of 94.60% and 98.76%, respectively. The maximum processing capacity of the multi-channel device reached 168 L/h. The modified stainless mesh can remain stable with a contact angle (CA) higher than 150° to water for 34 days. The average residence time and contact area during the oil–water separation process significantly affect separation efficiency. By optimizing oil–water separation structures and process parameters, and using a superhydrophobic spray modification method, separation efficiency can be improved while avoiding the generation of secondary pollutants. Full article
(This article belongs to the Special Issue Porous Nanomaterials: Preparation, Performance, and Practical Application)
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13 pages, 5253 KiB  
Article
Microwave Absorption Properties of Graphite Nanosheet/Carbon Nanofiber Hybrids Prepared by Intercalation Chemical Vapor Deposition
by Yifan Guo, Junhua Su, Qingfeng Guo, Ling Long, Jinlong Xie and Ying Li
Nanomaterials 2025, 15(5), 406; https://doi.org/10.3390/nano15050406 - 6 Mar 2025
Viewed by 445
Abstract
Carbon-based microwave absorption materials have garnered widespread attention as lightweight and efficient wave absorbers, emerging as a prominent focus in the field of functional materials research. In this work, FeNi3 nanoparticles, synthesized in situ within graphite interlayers, were employed as catalysts to [...] Read more.
Carbon-based microwave absorption materials have garnered widespread attention as lightweight and efficient wave absorbers, emerging as a prominent focus in the field of functional materials research. In this work, FeNi3 nanoparticles, synthesized in situ within graphite interlayers, were employed as catalysts to grow carbon nanofibers in situ via intercalation chemical vapor deposition (CVD). We discovered that amorphous carbon nanofibers (CNFs) can exfoliate and separate highly conductive graphite nanosheets (GNS) from the interlayers. Meanwhile, the carbon nanofibers eventually intertwine and encapsulate the graphite nanosheets, forming porous hybrids. This process induces significant changes in the electrical conductivity and electromagnetic parameters of the resulting GNS/CNF hybrids, enhancing the impedance matching between the hybrids and free space. Although this process slightly reduces the microwave loss capability of the hybrids, the balance between these effects significantly enhances their microwave absorption performance, particularly in the Ku band. Specifically, the optimized GNS/CNF hybrids, when mixed with paraffin at a 30 wt% ratio, exhibit a maximum microwave reflection loss of −44.1 dB at 14.6 GHz with a thickness of 1.5 mm. Their effective absorption bandwidth, defined as the frequency range with a reflection loss below −10 dB, spans the 12.5–17.4 GHz range, covering more than 80% of the Ku band. These results indicate that the GNS/CNF hybrids prepared via intercalation CVD are promising candidates for microwave absorption materials. Full article
(This article belongs to the Special Issue Porous Nanomaterials: Preparation, Performance, and Practical Application)
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Review

Jump to: Research

15 pages, 3098 KiB  
Review
Rational Design of Nanostructured Porous and Advanced Getter Materials for Vacuum Insulation Panels
by Juan Wang, Zhibin Pei and Ningning Zhou
Nanomaterials 2025, 15(7), 532; https://doi.org/10.3390/nano15070532 - 31 Mar 2025
Viewed by 268
Abstract
Vacuum insulation panels (VIPs) have emerged as a cutting-edge strategy for achieving superior thermal insulation across a wide range of applications, including refrigerators, cold-chain transportation and building envelopes. The key factor for the exceptional performance of VIPs is maintaining an ultralow pressure environment [...] Read more.
Vacuum insulation panels (VIPs) have emerged as a cutting-edge strategy for achieving superior thermal insulation across a wide range of applications, including refrigerators, cold-chain transportation and building envelopes. The key factor for the exceptional performance of VIPs is maintaining an ultralow pressure environment within the panels, which is crucial for minimizing heat transfer. However, the presence of non-condensable gases can compromise the vacuum state, leading to a reduced insulation effectiveness during a panel’s service life. This review offers a comprehensive analysis of getter materials used in VIPs, focusing on their fundamental properties, types, integration techniques and performance characteristics, further emphasizing the challenges and potential directions for the development of getter materials. Overall, this review intends to provide novel insights into the development of getter materials for use in VIPs, offering essential viewpoints to aid future studies on this topic. Full article
(This article belongs to the Special Issue Porous Nanomaterials: Preparation, Performance, and Practical Application)
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