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Physicochemical Research on Material Surfaces
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Physicochemical Research on Material Surfaces

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Physical Chemistry".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1843

Special Issue Editor

Dr. Guiyong Xiao

E-Mail Website
Guest Editor
Schools of Materials Science & Engineering, Shandong University, Jinan, China
Interests: biofunctional coatings on biomaterial surfaces

Special Issue Information

Dear Colleagues,

The physicochemical properties of biomaterial surfaces, including topography, roughness, hydrophilicity, electrical conductivity, and elemental composition, have a significant impact on the bioactivity of surrounding cells. These properties can be modified through various chemical methods such as anodization, microarc oxidation, plasma spraying, ion implantation, biomimetic deposition, and chemical conversion. To address an increasingly diverse range of challenges, continuous research efforts are being undertaken globally in both academia and industry to discover innovative material surface modifier.

This Special Issue "Physicochemical Research on Material Surfaces" aims to provide a platform for researchers to present current and recent advancements in technological and theoretical descriptions of physicochemical material surface modification. We invite the submission of original research papers, review articles, and short communication letters.

The potential topics encompass a wide range of subjects focusing on material chemistry, including, but not limited to, the following areas:

  • Design, synthesis, and processing of coatings on material surfaces;
  • Micro/Nano structural optimization of material surfaces;
  • Chemical functionalization of materials;
  • Corrosion resistance of materials;
  • Chemical methods for surface strengthening of materials.

Dr. Guiyong Xiao
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. Molecules 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 2700 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

  • coating
  • surface modification
  • micro/nano structure
  • chemical functionalization
  • biomaterials
  • bioactivity

Published Papers (3 papers)

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Research

13 pages, 3372 KiB  
Article
Construction of Uniform LiF Coating Layers for Stable High-Voltage LiCoO2 Cathodes in Lithium-Ion Batteries
by Ziyang Xiao, Xiangbing Zhu, Shuguang Wang, Yanhong Shi, Huimin Zhang, Baobin Xu, Changfeng Zhao and Yan Zhao
Molecules 2024, 29(6), 1414; https://doi.org/10.3390/molecules29061414 - 21 Mar 2024
Viewed by 581
Abstract
Stabilizing LiCoO2 (LCO) at 4.5 V rather than the common 4.2 V is important for the high specific capacity. In this study, we developed a simple and efficient way to improve the stability of LiCoO2 at high voltages. After a simple [...] Read more.
Stabilizing LiCoO2 (LCO) at 4.5 V rather than the common 4.2 V is important for the high specific capacity. In this study, we developed a simple and efficient way to improve the stability of LiCoO2 at high voltages. After a simple sol–gel method, we introduced trifluoroacetic acid (TA) to the surface of LCO via an afterwards calcination. Meanwhile, the TA reacted with residual lithium on the surface of LCO, further leading to the formation of uniform LiF nanoshells. The LiF nanoshells could effectively restrict the interfacial side reaction, hinder the transition metal dissolution and thus achieve a stable cathode–electrolyte interface at high working-voltages. As a result, the LCO@LiF demonstrated a much superior cycling stability with a capacity retention ratio of 83.54% after 100 cycles compared with the bare ones (43.3% for capacity retention), as well as high rate performances. Notably, LiF coating layers endow LCO with excellent high-temperature performances and outstanding full-cell performances. This work provides a simple and effective way to prepare stable LCO materials working at a high voltage. Full article
(This article belongs to the Special Issue Physicochemical Research on Material Surfaces)
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13 pages, 3517 KiB  
Article
Study on Bulk-Surface Transport Separation and Dielectric Polarization of Topological Insulator Bi1.2Sb0.8Te0.4Se2.6
by Yueqian Zheng, Tao Xu, Xuan Wang, Zhi Sun and Bai Han
Molecules 2024, 29(4), 859; https://doi.org/10.3390/molecules29040859 - 15 Feb 2024
Cited by 1 | Viewed by 511
Abstract
This study successfully fabricated the quaternary topological insulator thin films of Bi1.2Sb0.8Te0.4Se2.6 (BSTS) with a thickness of 25 nm, improving the intrinsic defects in binary topological materials through doping methods and achieving the separation of transport [...] Read more.
This study successfully fabricated the quaternary topological insulator thin films of Bi1.2Sb0.8Te0.4Se2.6 (BSTS) with a thickness of 25 nm, improving the intrinsic defects in binary topological materials through doping methods and achieving the separation of transport characteristics between the bulk and surface of topological insulator materials by utilizing a comprehensive Physical Properties Measurement System (PPMS) and Terahertz Time-Domain Spectroscopy (THz-TDS) to extract electronic transport information for both bulk and surface states. Additionally, the dielectric polarization behavior of BSTS in the low-frequency (10–107 Hz) and high-frequency (0.5–2.0 THz) ranges was investigated. These research findings provide crucial experimental groundwork and theoretical guidance for the development of novel low-energy electronic devices, spintronic devices, and quantum computing technology based on topological insulators. Full article
(This article belongs to the Special Issue Physicochemical Research on Material Surfaces)
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13 pages, 2077 KiB  
Article
Assessment of Selected Surface and Electrochemical Properties of Boron and Strontium-Substituted Hydroxyapatites
by Joanna Kolmas, Pavlo Samoilov, Aneta Jaguszewska and Ewa Skwarek
Molecules 2024, 29(3), 672; https://doi.org/10.3390/molecules29030672 - 31 Jan 2024
Viewed by 486
Abstract
Tissue engineering is an interdisciplinary field of science that has been developing very intensively over the last dozen or so years. New ways of treating damaged tissues and organs are constantly being sought. A variety of porous structures are currently being investigated to [...] Read more.
Tissue engineering is an interdisciplinary field of science that has been developing very intensively over the last dozen or so years. New ways of treating damaged tissues and organs are constantly being sought. A variety of porous structures are currently being investigated to support cell adhesion, differentiation, and proliferation. The selection of an appropriate biomaterial on which a patient’s new tissue will develop is one of the key issues when designing a modern tissue scaffold and the associated treatment process. Among the numerous groups of biomaterials used to produce three-dimensional structures, hydroxyapatite (HA) deserves special attention. The aim of this paper was to discuss changes in the double electrical layer in hydroxyapatite with an incorporated boron and strontium/electrolyte solution interface. The adsorbents were prepared via dry and wet precipitation and low-temperature nitrogen adsorption and desorption methods. The specific surface area was characterized, and the surface charge density and zeta potential were discussed. Full article
(This article belongs to the Special Issue Physicochemical Research on Material Surfaces)
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