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Nano and Advanced Material Engineering
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Nano and Advanced Material Engineering

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 6134

Special Issue Editor

Prof. Dr. Gongke Wang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Henan Normal University, Xinxiang 453007, China
Interests: nanomaterials; nano-biosensors; nano-interfaces; nano self-assembly; electrocatalysis; photocatalysis; porous carbon; oxygen reduction reaction; energy storage materials; energy conversion; lithium-ion battery; sodium-ion battery; microstructured; protein corona; reaction mechanism

Special Issue Information

Dear Colleagues,

Nano and advanced material engineering encompasses novel findings and new perspectives related to the synthesis, self-assembly, fabrication, microstructure, properties, performance, and technological applications of advanced nanomaterials, as well as the photocatalysis, electrocatalysis, energy conversion and storage materials. As an important aspect of material engineering and nanotechnology, recent advances in nano-interface reaction properties, modulated mechanisms, environment sensing and targeting applications, biological, and medical uses are also welcomed. 

Prof. Dr. Gongke Wang
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. Materials 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 2600 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

  • contributing papers are solicited in the following areas: advanced nanomaterials synthesis and microstructures
  • advanced materials devices and technologies
  • significant nanomaterial applications in engineering and technological areas
  • energy conversion and storage systems
  • photoelectric conversion systems
  • nano-interfaces modulating mechanisms and applications

Published Papers (4 papers)

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Research

13 pages, 3631 KiB  
Article
The Morphology Dependent Interaction between Silver Nanoparticles and Bovine Serum Albumin
by Jingyi Zhang, Xianjun Fu, Changling Yan and Gongke Wang
Materials 2023, 16(17), 5821; https://doi.org/10.3390/ma16175821 - 25 Aug 2023
Cited by 1 | Viewed by 1046
Abstract
Biological applications of silver nanoparticles (AgNPs) depend on the covalently attached or adsorbed proteins. A series of biological effects of AgNPs within cells are determined by the size, shape, aspect ratio, surface charge, and modifiers. Herein, the morphology dependent interaction between AgNPs and [...] Read more.
Biological applications of silver nanoparticles (AgNPs) depend on the covalently attached or adsorbed proteins. A series of biological effects of AgNPs within cells are determined by the size, shape, aspect ratio, surface charge, and modifiers. Herein, the morphology dependent interaction between AgNPs and protein was investigated. AgNPs with three different morphologies, such as silver nanospheres, silver nanorods, and silver nanotriangles, were employed to investigate the morphological effect on the interaction with a model protein: bovine serum albumin (BSA). The adsorptive interactions between BSA and the AgNPs were probed by UV-Vis spectroscopy, fluorescence spectroscopy, dynamic light scattering (DLS), Fourier transform infrared spectrometry (FTIR), transmission electron microscopy (TEM), and circular dichroism (CD) techniques. The results revealed that the particle size, shape, and dispersion of the three types of AgNPs markedly influence the interaction with BSA. Silver nanospheres and nanorods were capsulated by protein coronas, which led to slightly enlarged outer size. The silver nanotriangles evolved gradually into nanodisks in the presence of BSA. Fluorescence spectroscopy confirmed the static quenching the fluorescence emission of BSA by the three AgNPs. The FTIR and CD results suggested that the AgNPs with different morphologies had different effects on the secondary structure of BSA. The silver nanospheres and silver nanorods induced more pronounced structural changes than silver nanotriangles. These results suggest that the formation of a protein corona and the aggregation behaviors of AgNPs are markedly determined by their inherent morphologies. Full article
(This article belongs to the Special Issue Nano and Advanced Material Engineering)
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8 pages, 1414 KiB  
Article
Ionic Liquid Mixture Electrolyte Matching Porous Carbon Electrodes for Supercapacitors
by Yuhua Zhao, Yujuan Chen, Quanzhou Du, Kelei Zhuo, Lifang Yang, Dong Sun and Guangyue Bai
Materials 2022, 15(20), 7400; https://doi.org/10.3390/ma15207400 - 21 Oct 2022
Cited by 2 | Viewed by 1249
Abstract
Ionic liquids (ILs), with their wide electrochemical stable potential window, are promising electrolytes for supercapacitors (SCs). The suitable matching of the ion size and shape of the ILs to the pore size and structure of porous carbon (PC) electrode materials can realize the [...] Read more.
Ionic liquids (ILs), with their wide electrochemical stable potential window, are promising electrolytes for supercapacitors (SCs). The suitable matching of the ion size and shape of the ILs to the pore size and structure of porous carbon (PC) electrode materials can realize the enhanced capacitive performance of the SCs. Here we report an interesting result: The capacitance of PC-based SCs shows a quasi-sinusoidal relationship with the composition (mass fraction) of the binary IL mixture as the electrolyte. This relationship is also interpreted based on the matching between the pore sizes of the PC materials and the size/shape of various ions of the IL mixture electrolyte. This can provide a new strategy to improve the performance of SCs by formulating a suitable mixture of different ILs to match the carbon-based electrode materials with a special pore size distribution. Full article
(This article belongs to the Special Issue Nano and Advanced Material Engineering)
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13 pages, 2062 KiB  
Article
Thermodynamic and Kinetic Binding Behaviors of Human Serum Albumin to Silver Nanoparticles
by Jinjun Tian, Zhenghai Shi and Gongke Wang
Materials 2022, 15(14), 4957; https://doi.org/10.3390/ma15144957 - 16 Jul 2022
Cited by 4 | Viewed by 1216
Abstract
A nanoparticle, under biological milieu, is inclined to be combined with various biomolecules, particularly protein, generating an interfacial corona which provides a new biological identity. Herein, the binding interaction between silver nanoparticles (AgNPs) and human serum albumin (HSA) was studied with transmission electron [...] Read more.
A nanoparticle, under biological milieu, is inclined to be combined with various biomolecules, particularly protein, generating an interfacial corona which provides a new biological identity. Herein, the binding interaction between silver nanoparticles (AgNPs) and human serum albumin (HSA) was studied with transmission electron microscopy (TEM), circular dichroism (CD), and multiple spectroscopic techniques. Due to the ground state complex formed mainly through hydrophobic interactions, the fluorescence titration method proved that intrinsic fluorescence for HSA was probably statically quenched by AgNPs. The complete thermodynamic parameters were derived, indicating that the interaction between HSA and AgNPs is an entropy-driven process. Additionally, synchronous fluorescence and CD spectrum results suggested the conformational variation it has upon binding to AgNPs and the α-helix content has HSA visibly decreased. The kinetic experiments proved the double hysteresis effect has in HSA’s binding to the AgNPs surface. Moreover, the binding has between HSA and AgNPs follows the pseudo-second-order kinetic characteristic and fits the Freundlich model for multilayer adsorption. These results facilitate the comprehension about NPs’ underlying biological effects under a physiological environment and promote the secure applications of NPs biologically and medically. Full article
(This article belongs to the Special Issue Nano and Advanced Material Engineering)
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9 pages, 2579 KiB  
Article
A Simple Structure for an Independently Tunable Infrared Absorber Based on a Non-Concentric Graphene Nanodisk
by Kun Yu, Peng Shen, Wei Zhang, Xicheng Xiong, Jun Zhang and Yufang Liu
Materials 2022, 15(6), 2296; https://doi.org/10.3390/ma15062296 - 20 Mar 2022
Cited by 4 | Viewed by 1764
Abstract
Due to its unique electronic and optical properties, graphene has been used to design tunable optical absorbers. In this paper, we propose a plasmonic absorber consisting of non-concentric graphene nanodisk arrays, which is designed to operate in the mid-infrared spectral range and is [...] Read more.
Due to its unique electronic and optical properties, graphene has been used to design tunable optical absorbers. In this paper, we propose a plasmonic absorber consisting of non-concentric graphene nanodisk arrays, which is designed to operate in the mid-infrared spectral range and is capable of achieving nearly perfect absorption. Two perfect absorption peaks are produced due to the impedance of the structure, which matches that of the free space. The influences of the thicknesses of the dielectric layer, the size of graphene nanodisk, and the incident conditions on the absorption are studied. Moreover, the absorption intensity can be independently tuned by varying the Fermi levels of two graphene nanodisks. Furthermore, the polarization-independent absorbance of the absorber exceeds 95% under oblique incidence, and remains very high over a wide angle. This proposed absorber has potential applications in optical detectors, tunable sensors, and band-pass filters. Full article
(This article belongs to the Special Issue Nano and Advanced Material Engineering)
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