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Synthesis and Characterization of Hybrid Molecular Nanostructures
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Synthesis and Characterization of Hybrid Molecular Nanostructures

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Physical Chemistry and Chemical Physics".

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 7548

Special Issue Editors

Prof. Dr. Zdeněk Trávníček

E-Mail Website
Guest Editor
Czech Advanced Technology and Research Institute (CATRIN), Regional Centre of Advanced Technologies and Materials (RCPTM), Palacký University, Šlechtitelů 241/27, CZ-779 00 Olomouc, Czech Republic
Interests: transition metal complexes; organometallic compounds; bioinorganic chemistry; anticancer activity; interactions of small molecules with biomolecules; single crystal X-ray analysis; molecular magnets; spin crossover; hybrid molecular-crystalline nanostructures
Dr. Jan Filip

E-Mail Website
Guest Editor
Czech Advanced Technology and Research Institute (CATRIN), Regional Centre of Advanced Technologies and Materials (RCPTM), Palacký University, Šlechtitelů 241/27, Olomouc – Holice, CZ-779 00, Czech Republic
Interests: iron-based nanomaterials; iron oxide nanoparticles; zero-valent iron nanoparticles; high-valent iron substances – ferratesVI; environmental application of nanomaterials; synthesis of nanoparticles; complex characterization of nanoparticles; natural nanoparticles; X-ray powder diffraction; X-ray photoelectron spectroscopy; environmental mineralogy; applied mineralogy

Special Issue Information

Dear Colleagues, 

Hybrid nanomaterials represent one of the most rapidly developing research fields in materials engineering and materials science, owing to the fact that they offer uncommon and synergistic physical and chemical properties, which are not encountered in the individual components. Their unique features find application in several technologically important areas, such as in spintronics, (opto)electronics, energy conversion and storage, environmental remediation and monitoring, catalysis, magnetism, protective coatings, and biomedicine. The multidisciplinary nature of research in hybrid molecular nanostructures merges the advantages of two worlds with different length-scales, leading to the emergence of unprecedented properties. This allows their practical utilization in challenging and critical fields, requiring our concerted efforts among different actors across a broad range of scientific and technological disciplines in order to meet the societal needs of the future.

This Special Issue, “Synthesis and Characterization of Hybrid Molecular Nanostructures” of the International Journal of Molecular Sciences will comprise a selection of research papers or reviews covering various aspects of a multidisciplinary field related to hybrid nanostructures. We warmly invite authors to submit contributions dedicated to any of issues of this research area.

Prof. Dr. Zdeněk Trávníček
Dr. Jan Filip
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • graphene composites and derivatives
  • 2D and 1D hybrid nanomaterials
  • quantum carbon and graphene dots
  • metal organic, covalent organic and porous aromatic frameworks
  • magnetic nanostructures and spin-active nanohybrids with molecular complexes
  • hybrid nanosystems in catalysis-molecular and single-site nanocatalysts
  • nanocomposites for energy storage and conversion applications
  • molecular nanostructures for nanomedicine and sensing/monitoring
  • functionalized nanostructures for sustainable and advanced environmental technologies

Published Papers (3 papers)

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Research

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14 pages, 4782 KiB  
Article
An Effective Approach to Improve the Thermal Conductivity, Strength, and Stress Relaxation of Carbon Nanotubes/Epoxy Composites Based on Vitrimer Chemistry
by Yang Feng, Zhuguang Nie, Panhong Deng, Liping Luo, Xingman Hu, Jie Su, Haiming Li, Xiaodong Fan and Shuhua Qi
Int. J. Mol. Sci. 2022, 23(16), 8833; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms23168833 - 09 Aug 2022
Cited by 11 | Viewed by 2198
Abstract
An effective method was developed to improve the interfacial interaction between Mutiwalled carbon nanotubes (MWCNTs) and epoxy matrix. The performance of thermal conductivity and strength of the epoxy vitrimer were enhanced by polydopamine (PDA) coating. Polydopamine is a commonly used photothermal agent, which [...] Read more.
An effective method was developed to improve the interfacial interaction between Mutiwalled carbon nanotubes (MWCNTs) and epoxy matrix. The performance of thermal conductivity and strength of the epoxy vitrimer were enhanced by polydopamine (PDA) coating. Polydopamine is a commonly used photothermal agent, which of course, was effective in modifying MWCNTs used in photoresponsive epoxy resin. The surface temperature of the epoxy composite with 3% MWCNTs@PDA fillers added increased from room temperature to 215 °C in 48 s. The metal–catechol coordination interactions formed between the catechol groups of PDA and Zn2+ accelerated the stress relaxation of epoxy vitrimer. Moreover, the shape memory, repairing, and recycling of epoxy vitrimer were investigated. Therefore, dopamine coating is a multifunctional approach to enhance the performance of epoxy vitrimer. Full article
(This article belongs to the Special Issue Synthesis and Characterization of Hybrid Molecular Nanostructures)
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Review

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24 pages, 4863 KiB  
Review
Enhancing Cementitious Composites with Functionalized Graphene Oxide-Based Materials: Surface Chemistry and Mechanisms
by Chien-Yu Huang, Yu-Chien Lin, Johnson H. Y. Chung, Hsien-Yi Chiu, Nai-Lun Yeh, Shing-Jyh Chang, Chia-Hao Chan, Chuan-Chi Shih and Guan-Yu Chen
Int. J. Mol. Sci. 2023, 24(13), 10461; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms241310461 - 21 Jun 2023
Cited by 4 | Viewed by 1367
Abstract
Graphene oxide-based materials (GOBMs) have been widely explored as nano-reinforcements in cementitious composites due to their unique properties. Oxygen-containing functional groups in GOBMs are crucial for enhancing the microstructure of cementitious composites. A better comprehension of their surface chemistry and mechanisms is required [...] Read more.
Graphene oxide-based materials (GOBMs) have been widely explored as nano-reinforcements in cementitious composites due to their unique properties. Oxygen-containing functional groups in GOBMs are crucial for enhancing the microstructure of cementitious composites. A better comprehension of their surface chemistry and mechanisms is required to advance the potential applications in cementitious composites of functionalized GOBMs. However, the mechanism by which the oxygen-containing functional groups enhance the response of cementitious composites is still unclear, and controlling the surface chemistry of GOBMs is currently constrained. This review aims to investigate the reactions and mechanisms for functionalized GOBMs as additives incorporated in cement composites. A variety of GOBMs, including graphene oxide (GO), hydroxylated graphene (HO-G), edge-carboxylated graphene (ECG), edge-oxidized graphene oxide (EOGO), reduced graphene oxide (rGO), and GO/silane composite, are discussed with regard to their oxygen functional groups and interactions with the cement microstructure. This review provides insight into the potential benefits of using GOBMs as nano-reinforcements in cementitious composites. A better understanding of the surface chemistry and mechanisms of GOBMs will enable the development of more effective functionalization strategies and open up new possibilities for the design of high-performance cementitious composites. Full article
(This article belongs to the Special Issue Synthesis and Characterization of Hybrid Molecular Nanostructures)
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49 pages, 11841 KiB  
Review
Recent Development in Nanoconfined Hydrides for Energy Storage
by Cezar Comanescu
Int. J. Mol. Sci. 2022, 23(13), 7111; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms23137111 - 26 Jun 2022
Cited by 12 | Viewed by 3114
Abstract
Hydrogen is the ultimate vector for a carbon-free, sustainable green-energy. While being the most promising candidate to serve this purpose, hydrogen inherits a series of characteristics making it particularly difficult to handle, store, transport and use in a safe manner. The researchers’ attention [...] Read more.
Hydrogen is the ultimate vector for a carbon-free, sustainable green-energy. While being the most promising candidate to serve this purpose, hydrogen inherits a series of characteristics making it particularly difficult to handle, store, transport and use in a safe manner. The researchers’ attention has thus shifted to storing hydrogen in its more manageable forms: the light metal hydrides and related derivatives (ammonia-borane, tetrahydridoborates/borohydrides, tetrahydridoaluminates/alanates or reactive hydride composites). Even then, the thermodynamic and kinetic behavior faces either too high energy barriers or sluggish kinetics (or both), and an efficient tool to overcome these issues is through nanoconfinement. Nanoconfined energy storage materials are the current state-of-the-art approach regarding hydrogen storage field, and the current review aims to summarize the most recent progress in this intriguing field. The latest reviews concerning H2 production and storage are discussed, and the shift from bulk to nanomaterials is described in the context of physical and chemical aspects of nanoconfinement effects in the obtained nanocomposites. The types of hosts used for hydrogen materials are divided in classes of substances, the mean of hydride inclusion in said hosts and the classes of hydrogen storage materials are presented with their most recent trends and future prospects. Full article
(This article belongs to the Special Issue Synthesis and Characterization of Hybrid Molecular Nanostructures)
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