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Molecules
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Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application
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Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application

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

Deadline for manuscript submissions: 31 July 2024 | Viewed by 3350

Special Issue Editor

Dr. Siyi Cheng

E-Mail Website
Guest Editor
School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China
Interests: functionalized nanomaterials; functionalized strategies; compositions; nanostructures; energy storage

Special Issue Information

Dear Colleagues,

Over the past decades, nanomaterials have attracted significant attention due to their small size, large surface area and excellent activity. Based on state-of-the-art synthetic methods and characterization techniques, functionalization of these nanomaterials through chemical, physical and biological routes with a various type of functionalized strategies (composition modification, encapsulation, core-shell, single atom site, surface molecular engineering, etc.), compositions (metallic, bimetallic, metal oxide, carbon-based, silicon-based, etc.) and nanostructures (nanoparticles, nanowires, nanotubes, nanorods, nanosheets, etc.) allows the incorporation of a myriad of functional groups that not only enhance the existing properties of the nanomaterials but also impart additional characteristics. Due to this, functionalized nanomaterials exhibit great potential in a broad range of applications, such as energy storage (supercapacitors, Li-ion batteries), sensing (electrochemical sensor, gas sensor), environmental remediation (air pollution, water pollution, soil pollution), and catalytic applications (electrocatalysis, biocatalysis), and have yielded remarkable achievements in these areas.

This Special Issue will present the current state-of-the-art research outlining recent advances in functionalized nanomaterials, including design, synthesis, characterization, and application. We invite authors to contribute original research and review articles covering the current progress on functionalized nanomaterials for energy storage, sensing, environmental remediation and catalytic applications.

Dr. Siyi Cheng
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

  • functionalized nanomaterials
  • functionalized strategies
  • compositions
  • nanostructures
  • energy storage
  • sensing
  • environmental remediation
  • catalytic

Published Papers (4 papers)

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Research

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14 pages, 7294 KiB  
Article
Investigating the Potential of Ghee Precursor-Derived Carbon Nano Onions for Enhancing Interfacial Bonding in Thermoplastic Composites
by Kailashbalan Periasamy, Maryam Darouie, Raj Das and Akbar A. Khatibi
Molecules 2024, 29(5), 928; https://doi.org/10.3390/molecules29050928 - 20 Feb 2024
Viewed by 536
Abstract
In this study, we employed a straightforward flame synthesis process to produce carbon soot containing carbon nano onions (CNOs) using easily accessible ghee oil as a precursor. The ghee oil, with a molecular composition rich in more than 50 carbon atoms, served as [...] Read more.
In this study, we employed a straightforward flame synthesis process to produce carbon soot containing carbon nano onions (CNOs) using easily accessible ghee oil as a precursor. The ghee oil, with a molecular composition rich in more than 50 carbon atoms, served as an effective source for generating CNOs. The synthesized CNO particles underwent comprehensive characterization through high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) analyses, providing a detailed account of their physicochemical properties. In addition, we explored the direct deposition of CNOs on carbon fiber (CF) surfaces for 5 and 10 min via a soot deposition process. The resulting freeze–fracture images obtained from scanning electron microscope (SEM) offered insights into the morphology of the CNO-deposited CF. Our study aims to shed light on the potential applications of CNOs, focusing on their characterization and the possible benefits they may offer in diverse fields, including but not limited to enhancing interfacial bonding in thermoplastic composites. Full article
(This article belongs to the Special Issue Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application)
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10 pages, 3863 KiB  
Communication
Synthesis of Temperature Sensing Nitrogen-Doped Carbon Dots and Their Application in Fluorescent Ink
by Pingping Liu, Lu Ga, Yong Wang and Jun Ai
Molecules 2023, 28(18), 6607; https://doi.org/10.3390/molecules28186607 - 14 Sep 2023
Viewed by 747
Abstract
With the discovery of research, many properties of carbon dots are getting better and better. People have taken advantage of this and utilized them interspersed in various fields. In the present study, water-soluble nitrogen-doped carbon dots (N-CDs) with excellent optical and fluorescence thermal [...] Read more.
With the discovery of research, many properties of carbon dots are getting better and better. People have taken advantage of this and utilized them interspersed in various fields. In the present study, water-soluble nitrogen-doped carbon dots (N-CDs) with excellent optical and fluorescence thermal properties were prepared by the hydrothermal method using 4-dimethylaminopyridine and N,N′-methylenebisacrylamide as precursors. Co2+ has a selective bursting effect on the fluorescence of N-CDs. The fluorescence of N-CDs is selectively burst by Co2+, and the high sensitivity is good in the range of 0–12 μM with a detection limit of 74 nM. In addition, the good temperature response (reversible and recoverable fluorescence in the temperature range of 20~90 °C) and excellent optical properties of the N-CDs also make them new potentials in the field of fluorescent inks and temperature sensing. Full article
(This article belongs to the Special Issue Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application)
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14 pages, 4764 KiB  
Article
Hierarchical Lotus-Seedpod-Derived Porous Activated Carbon Encapsulated with NiCo2S4 for a High-Performance All-Solid-State Asymmetric Supercapacitor
by Siyi Cheng, Xiaowu Wang, Kang Du, Yu Mao, Yufei Han, Longxiao Li, Xingyue Liu and Guojun Wen
Molecules 2023, 28(13), 5020; https://doi.org/10.3390/molecules28135020 - 27 Jun 2023
Cited by 2 | Viewed by 846
Abstract
Converting biowaste into carbon-based supercapacitor materials provides a new solution for high-performance and environmentally friendly energy storage applications. Herein, the hierarchical PAC/NiCo2S4 composite structure was fabricated through the combination of activation and sulfuration treatments. The PAC/NiCo2S4 electrode [...] Read more.
Converting biowaste into carbon-based supercapacitor materials provides a new solution for high-performance and environmentally friendly energy storage applications. Herein, the hierarchical PAC/NiCo2S4 composite structure was fabricated through the combination of activation and sulfuration treatments. The PAC/NiCo2S4 electrode garnered advantages from its hierarchical structure and hollow architecture, resulting in a notable specific capacitance (1217.2 F g−1 at 1.25 A g−1) and superior cycling stability. Moreover, a novel all-solid-state asymmetric supercapacitor (ASC) was successfully constructed, utilizing PAC/NiCo2S4 as the cathode and PAC as the anode. The resultant device exhibited exceptionally high energy (49.7 Wh kg−1) and power density (4785.5 W kg−1), indicating the potential of this biomass-derived, hierarchical PAC/NiCo2S4 composite structure for employment in high-performance supercapacitors. Full article
(This article belongs to the Special Issue Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application)
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Review

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27 pages, 9495 KiB  
Review
Recent Advances in the Application of Bionanosensors for the Analysis of Heavy Metals in Aquatic Environments
by Bin Wu, Lu Ga, Yong Wang and Jun Ai
Molecules 2024, 29(1), 34; https://doi.org/10.3390/molecules29010034 - 20 Dec 2023
Viewed by 887
Abstract
Heavy-metal ions (HMIs) as a pollutant, if not properly processed, used, and disposed of, will not only have an influence on the ecological environment but also pose significant health hazards to humans, making them a primary factor that endangers human health and harms [...] Read more.
Heavy-metal ions (HMIs) as a pollutant, if not properly processed, used, and disposed of, will not only have an influence on the ecological environment but also pose significant health hazards to humans, making them a primary factor that endangers human health and harms the environment. Heavy metals come from a variety of sources, the most common of which are agriculture, industry, and sewerage. As a result, there is an urgent demand for portable, low-cost, and effective analytical tools. Bionanosensors have been rapidly developed in recent years due to their advantages of speed, mobility, and high sensitivity. To accomplish effective HMI pollution control, it is important not only to precisely pinpoint the source and content of pollution but also to perform real-time and speedy in situ detection of its composition. This study summarizes heavy-metal-ion (HMI) sensing research advances over the last five years (2019–2023), describing and analyzing major examples of electrochemical and optical bionanosensors for Hg2+, Cu2+, Pb2+, Cd2+, Cr6+, and Zn2+. Full article
(This article belongs to the Special Issue Recent Advances in Functionalized Nanomaterials: Design, Synthesis, Characterization, and Application)
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