1
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Le Ster M, Pawłowski S, Lutsyk I, Kowalczyk PJ. Fourier transform-based post-processing drift compensation and calibration method for scanning probe microscopy. Ultramicroscopy 2024; 263:113984. [PMID: 38744124 DOI: 10.1016/j.ultramic.2024.113984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/26/2024] [Accepted: 05/06/2024] [Indexed: 05/16/2024]
Abstract
Scanning probe microscopy (SPM) is ubiquitous in nanoscale science allowing the observation of features in real space down to the angstrom resolution. The scanning nature of SPM, wherein a sharp tip rasters the surface during which a physical setpoint is maintained via a control feedback loop, often implies that the image is subject to drift effects, leading to distortion of the resulting image. While there are in-operando methods to compensate for the drift, correcting the residual linear drift in obtained images is often neglected. In this paper, we present a reciprocal space-based technique to compensate the linear drift in atomically-resolved scanning probe microscopy images without distinction of the fast and slow scanning directions; furthermore this method does not require the set of SPM images obtained for the different scanning directions. Instead, the compensation is made possible by the a priori knowledge of the lattice parameters. The method can also be used to characterize and calibrate the SPM instrument.
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Affiliation(s)
- M Le Ster
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Solid-State Physics, Pomorska 149/153, Lodz, 90-236, Poland.
| | - S Pawłowski
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Solid-State Physics, Pomorska 149/153, Lodz, 90-236, Poland
| | - I Lutsyk
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Solid-State Physics, Pomorska 149/153, Lodz, 90-236, Poland
| | - P J Kowalczyk
- University of Lodz, Faculty of Physics and Applied Informatics, Department of Solid-State Physics, Pomorska 149/153, Lodz, 90-236, Poland.
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2
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Li J, Zhu T. Restoring translational symmetry in periodic all-orbital dynamical mean-field theory simulations. Faraday Discuss 2024. [PMID: 39076013 DOI: 10.1039/d4fd00068d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
Dynamical mean-field theory (DMFT) and its cluster extensions provide an efficient Green's function formalism to simulate spectral properties of periodic systems at the quantum many-body level. However, traditional cluster DMFT breaks translational invariance in solid-state materials, and the best strategy to capture non-local correlation effects within cluster DMFT remains elusive. In this work, we investigate the use of overlapping atom-centered impurity fragments in recently-developed ab initio all-orbital DMFT, where all local orbitals within the impurity are treated with high-level quantum chemistry impurity solvers. We demonstrate how the translational symmetry of the lattice self-energy can be restored by designing symmetry-adapted embedding problems, which results in an improved description of spectral functions in two-dimensional boron nitride monolayers and graphene at the levels of many-body perturbation theory (GW) and coupled-cluster theory. Furthermore, we study the convergence of self-energy and density of states as the embedding size is systematically expanded in one-shot and self-consistent DMFT calculations.
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Affiliation(s)
- Jiachen Li
- Department of Chemistry, Yale University, New Haven, CT, 06520, USA.
| | - Tianyu Zhu
- Department of Chemistry, Yale University, New Haven, CT, 06520, USA.
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3
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Singh R, Rawat H, Kumar A, Gandhi Y, Kumar V, Mishra SK, Narasimhaji CV. Graphene and its hybrid nanocomposite: A Metamorphoses elevation in the field of tissue engineering. Heliyon 2024; 10:e33542. [PMID: 39040352 PMCID: PMC11261797 DOI: 10.1016/j.heliyon.2024.e33542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 06/06/2024] [Accepted: 06/23/2024] [Indexed: 07/24/2024] Open
Abstract
In this discourse, we delve into the manifold applications of graphene-based nanomaterials (GBNs) in the realm of biomedicine. Graphene, characterized by its two-dimensional planar structure, superconductivity, mechanical robustness, chemical inertness, extensive surface area, and propitious biocompatibility, stands as an exemplary candidate for diverse biomedical utility. Graphene include various distinctive characteristics of its two-dimensional planar structure, enormous surface area, mechanical and chemical stability, high conductivity, and exceptional biocompatibility. We investigate graphene and its diverse derivatives, which include reduced graphene oxides (rGOs), graphene oxides (GOs), and graphene composites, with a focus on elucidating the unique attributes relevant to their biomedical utility. In this review article it highlighted the unique properties of graphene, synthesis methods of graphene and functionalization methods of graphene. In the quest for novel materials to advance regenerative medicine, researchers have increasingly turned their attention to graphene-based materials, which have emerged as a prominent innovation in recent years. Notably, it highlights their applications in the regeneration of various tissues, including nerves, skeletal muscle, bones, skin, cardiac tissue, cartilage, and adipose tissue, as well as their influence on induced pluripotent stem cells, marking significant breakthroughs in the field of regenerative medicine. Additionally, this review article explores future prospects in this evolving area of study.
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Affiliation(s)
- Rajesh Singh
- Department of Chemistry, Central Ayurveda Research Institute Jhansi, U.P, 284003, India
| | - Hemant Rawat
- Department of Chemistry, Central Ayurveda Research Institute Jhansi, U.P, 284003, India
| | - Ashwani Kumar
- Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Yashika Gandhi
- Department of Chemistry, Central Ayurveda Research Institute Jhansi, U.P, 284003, India
| | - Vijay Kumar
- Department of Chemistry, Central Ayurveda Research Institute Jhansi, U.P, 284003, India
| | - Sujeet K. Mishra
- Department of Chemistry, Central Ayurveda Research Institute Jhansi, U.P, 284003, India
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4
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Marsal Q, Black-Schaffer AM. Enhanced Quantum Metric due to Vacancies in Graphene. PHYSICAL REVIEW LETTERS 2024; 133:026002. [PMID: 39073980 DOI: 10.1103/physrevlett.133.026002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 05/16/2024] [Accepted: 06/05/2024] [Indexed: 07/31/2024]
Abstract
Random vacancies in a graphene monolayer induce defect states that are known to form a narrow impurity band centered around zero energy at half filling. We use a space-resolved formulation of the quantum metric and establish a strong enhancement of the electronic correlations in this impurity band. The enhancement is primarily due to strong correlations between pairs of vacancies situated on different sublattices at anomalously large spatial distances. We trace the strong enhancement to both the multifractal vacancy wave functions, which ties the system exactly at the Anderson insulator transition for all defect concentrations, and preserving the chiral symmetry.
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5
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Jiwarawat N, Leukulwatanachai T, Subhakornphichan K, Limwathanagura S, Wanotayan S, Atthi N, Pankiew A, Pungetmongkol P. Electrochemical exfoliation of graphene from pencil lead. Sci Rep 2024; 14:15892. [PMID: 38987409 PMCID: PMC11236967 DOI: 10.1038/s41598-024-66825-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 07/04/2024] [Indexed: 07/12/2024] Open
Abstract
Addressing an ever-increasing demand for graphene in recent years, simple, accessible, and effective graphene synthesis methods are essential. One of such methods is to use a highly oriented pyrolytic graphite (HOPG) to perform an electrochemical exfoliation. While this is one of the simplest and most cost-effective methods, the limited availability and price of HOPG hinders its usage. Our study proposed a simple and economical electrochemical exfoliation of pencil lead, producing graphene with properties comparable to that produced from HOPG. The electrical properties are determined by depositing graphene onto a screen-printed electrode. Graphene from pencil leads can achieve an electrical resistance as low as 1.86 kΩ, marking over 80% improvement in electrical performance compared to bare electrodes. This finding provides an alternative for the synthesis of graphene, increasing its availability and the cost-effectiveness as well as contributing towards a potential commercialization of the method in the future.
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Affiliation(s)
- Natchanon Jiwarawat
- International School of Engineering, Nano-Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Thapan Leukulwatanachai
- International School of Engineering, Nano-Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Kunbhass Subhakornphichan
- International School of Engineering, Nano-Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Siwagorn Limwathanagura
- International School of Engineering, Nano-Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sittinadh Wanotayan
- Department of Chemical Engineering, Bio-Circular-Green-economy Technology & Engineering Center, BCGeTEC, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Nithi Atthi
- Thai Microelectronics Center (TMEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Apirak Pankiew
- Thai Microelectronics Center (TMEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, 12120, Pathum Thani, Thailand
| | - Porpin Pungetmongkol
- International School of Engineering, Nano-Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
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6
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Guo S, Cui H, Agarwal T, Zhang LG. Nanomaterials in 4D Printing: Expanding the Frontiers of Advanced Manufacturing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307750. [PMID: 38431939 DOI: 10.1002/smll.202307750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 02/15/2024] [Indexed: 03/05/2024]
Abstract
As an innovative technology, four-dimentional (4D) printing is built upon the principles of three-dimentional (3D) printing with an additional dimension: time. While traditional 3D printing creates static objects, 4D printing generates "responsive 3D printed structures", enabling them to transform or self-assemble in response to external stimuli. Due to the dynamic nature, 4D printing has demonstrated tremendous potential in a range of industries, encompassing aerospace, healthcare, and intelligent devices. Nanotechnology has gained considerable attention owing to the exceptional properties and functions of nanomaterials. Incorporating nanomaterials into an intelligent matrix enhances the physiochemical properties of 4D printed constructs, introducing novel functions. This review provides a comprehensive overview of current applications of nanomaterials in 4D printing, exploring their synergistic potential to create dynamic and responsive structures. Nanomaterials play diverse roles as rheology modifiers, mechanical enhancers, function introducers, and more. The overarching goal of this review is to inspire researchers to delve into the vast potential of nanomaterial-enabled 4D printing, propelling advancements in this rapidly evolving field.
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Affiliation(s)
- Shengbo Guo
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, 20052, USA
| | - Haitao Cui
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China
| | - Tarun Agarwal
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, 20052, USA
| | - Lijie Grace Zhang
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, 20052, USA
- Department of Electrical Engineering, The George Washington University, Washington, DC, 20052, USA
- Department of Biomedical Engineering, The George Washington University, Washington, DC, 20052, USA
- Department of Medicine, The George Washington University, Washington, DC, 20052, USA
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7
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Rein V, Gao H, Heenen HH, Sghaier W, Manikas AC, Tsakonas C, Saedi M, Margraf JT, Galiotis C, Renaud G, Konovalov OV, Groot IMN, Reuter K, Jankowski M. Operando Characterization and Molecular Simulations Reveal the Growth Kinetics of Graphene on Liquid Copper During Chemical Vapor Deposition. ACS NANO 2024; 18:12503-12511. [PMID: 38688475 PMCID: PMC11100484 DOI: 10.1021/acsnano.4c02070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/22/2024] [Accepted: 04/01/2024] [Indexed: 05/02/2024]
Abstract
In recent years, liquid metal catalysts have emerged as a compelling choice for the controllable, large-scale, and high-quality synthesis of two-dimensional materials. At present, there is little mechanistic understanding of the intricate catalytic process, though, of its governing factors or what renders it superior to growth at the corresponding solid catalysts. Here, we report on a combined experimental and computational study of the kinetics of graphene growth during chemical vapor deposition on a liquid copper catalyst. By monitoring the growing graphene flakes in real time using in situ radiation-mode optical microscopy, we explore the growth morphology and kinetics over a wide range of CH4-to-H2 pressure ratios and deposition temperatures. Constant growth rates of the flakes' radius indicate a growth mode limited by precursor attachment, whereas methane-flux-dependent flake shapes point to limited precursor availability. Large-scale free energy simulations enabled by an efficient machine-learning moment tensor potential trained to density functional theory data provide quantitative barriers for key atomic-scale growth processes. The wealth of experimental and theoretical data can be consistently combined into a microkinetic model that reveals mixed growth kinetics that, in contrast to the situation at solid Cu, is partly controlled by precursor attachment alongside precursor availability. Key mechanistic aspects that directly point toward the improved graphene quality are a largely suppressed carbon dimer attachment due to the facile incorporation of this precursor species into the liquid surface and a low-barrier ring-opening process that self-heals 5-membered rings resulting from remaining dimer attachments.
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Affiliation(s)
- Valentina Rein
- ESRF
− The European Synchrotron, 71 Avenue des Martyrs, 38043 Grenoble, France
| | - Hao Gao
- Fritz-Haber-Institut
der Max-Planck-Gesellschaft, Faradayweg 4−6, 14195 Berlin, Germany
| | - Hendrik H. Heenen
- Fritz-Haber-Institut
der Max-Planck-Gesellschaft, Faradayweg 4−6, 14195 Berlin, Germany
| | - Wissal Sghaier
- University
of Grenoble Alpes and CEA, IRIG/MEM/NRS, 38000 Grenoble, France
| | - Anastasios C. Manikas
- FORTH/ICE-HT
and Department of Chemical Engineering, University of Patras, 26504 Patras, Greece
| | - Christos Tsakonas
- FORTH/ICE-HT
and Department of Chemical Engineering, University of Patras, 26504 Patras, Greece
| | - Mehdi Saedi
- Leiden Institute
of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
- Physics
Department, Shahid Beheshti University, Evin, Tehran, 1983969411, Iran
| | - Johannes T. Margraf
- Fritz-Haber-Institut
der Max-Planck-Gesellschaft, Faradayweg 4−6, 14195 Berlin, Germany
- University
of Bayreuth, Bavarian Center
for Battery Technology (BayBatt), Weiherstraße 26, 95448 Bayreuth, Germany
| | - Costas Galiotis
- FORTH/ICE-HT
and Department of Chemical Engineering, University of Patras, 26504 Patras, Greece
| | - Gilles Renaud
- University
of Grenoble Alpes and CEA, IRIG/MEM/NRS, 38000 Grenoble, France
| | - Oleg V. Konovalov
- ESRF
− The European Synchrotron, 71 Avenue des Martyrs, 38043 Grenoble, France
| | - Irene M. N. Groot
- Leiden Institute
of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Karsten Reuter
- Fritz-Haber-Institut
der Max-Planck-Gesellschaft, Faradayweg 4−6, 14195 Berlin, Germany
| | - Maciej Jankowski
- ESRF
− The European Synchrotron, 71 Avenue des Martyrs, 38043 Grenoble, France
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8
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Bianco GV, Sacchetti A, Milella A, Giangregorio MM, Dicorato S, Bruno G. Defect healing and doping of CVD graphene by thermal sulfurization. NANOSCALE ADVANCES 2024; 6:2629-2635. [PMID: 38752145 PMCID: PMC11093272 DOI: 10.1039/d4na00124a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 04/06/2024] [Indexed: 05/18/2024]
Abstract
CVD graphene layers are intrinsically polycrystalline; depending on grain size, their structure at the atomic level is scarcely free of defects, which affects the properties of graphene. On the one hand, atomic-scale defects act as scattering centers and lead to a loss of carrier mobility. On the other hand, structural disorder at grain boundaries provides additional resistance in series that affects material conductivity. Graphene chemical functionalization has been demonstrated to be an effective way to improve its conductivity mainly by increasing carrier concentration. The present study reports the healing effects of sulfur doping on the electrical transport properties of single-layer CVD graphene. A post-growth thermal sulfurization process operating at 250 °C is applied on single layers of graphene on Corning-glass and Si/SiO2 substrates. XPS and Raman analyses reveal the covalent attachment of sulfur atoms in graphene carbon lattice without creating new C-sp3 defects. Measurements of transport properties show a significant improvement in hole mobility as revealed by Hall measurements and related material conductivity. Typically, Hall mobility values as high as 2500 cm2 V-1 s-1 and sheet resistance as low as 400 Ohm per square are measured on single-layer sulfurized graphene.
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Affiliation(s)
- Giuseppe Valerio Bianco
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
| | - Alberto Sacchetti
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
| | - Antonella Milella
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
- Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy
| | - Maria Michela Giangregorio
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
| | - Stefano Dicorato
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
| | - Giovanni Bruno
- Institute of Nanotechnology, CNR-NANOTEC, Dipartimento di Chimica, Università di Bari via Orabona, 4 Bari 70126 Italy +39-0805442082
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9
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Qing F, Guo X, Hou Y, Ning C, Wang Q, Li X. Toward the Production of Super Graphene. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2310678. [PMID: 38708801 DOI: 10.1002/smll.202310678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 04/10/2024] [Indexed: 05/07/2024]
Abstract
The quality requirements of graphene depend on the applications. Some have a high tolerance for graphene quality and even require some defects, while others require graphene as perfect as possible to achieve good performance. So far, synthesis of large-area graphene films by chemical vapor deposition of carbon precursors on metal substrates, especially on Cu, remains the main way to produce high-quality graphene, which has been significantly developed in the past 15 years. However, although many prototypes are demonstrated, their performance is still more or less far from the theoretical property limit of graphene. This review focuses on how to make super graphene, namely graphene with a perfect structure and free of contaminations. More specially, this study focuses on graphene synthesis on Cu substrates. Typical defects in graphene are first discussed together with the formation mechanisms and how they are characterized normally, followed with a brief review of graphene properties and the effects of defects. Then, the synthesis progress of super graphene from the aspects of substrate, grain size, wrinkles, contamination, adlayers, and point defects are reviewed. Graphene transfer is briefly discussed as well. Finally, the challenges to make super graphene are discussed and a strategy is proposed.
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Affiliation(s)
- Fangzhu Qing
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, 518110, China
| | - Xiaomeng Guo
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Yuting Hou
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Congcong Ning
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Qisong Wang
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Xuesong Li
- School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu, 611731, China
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, 518110, China
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10
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Xin B, Zou K, Liu D, Li B, Dong H, Cheng Y, Liu H, Zou LJ, Luo F, Lu F, Wang WH. Electronic structures and quantum capacitance of twisted bilayer graphene with defects based on three-band tight-binding model. Phys Chem Chem Phys 2024; 26:9687-9696. [PMID: 38470341 DOI: 10.1039/d3cp05913h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Twisted bilayer graphene (tBLG) with C vacancies would greatly improve the density of states (DOS) around the Fermi level (EF) and quantum capacitance; however, the single-band tight-binding model only considering pz orbitals cannot accurately capture the low-energy physics of tBLG with C vacancies. In this work, a three-band tight-binding model containing three p orbitals of C atoms is proposed to explore the modulation mechanism of C vacancies on the DOS and quantum capacitance of tBLG. We first obtain the hopping integral parameters of the three-band tight-binding model, and then explore the electronic structures and the quantum capacitance of tBLG at a twisting angle of θ = 1.47° under different C vacancy concentrations. The impurity states contributed by C atoms with dangling bonds located around the EF and the interlayer hopping interaction could induce band splitting of the impurity states. Therefore, compared with the quantum capacitance of pristine tBLG (∼18.82 μF cm-2) at zero bias, the quantum capacitance is improved to ∼172.76 μF cm-2 at zero bias, and the working window with relatively large quantum capacitance in the low-voltage range is broadened in tBLG with C vacancies due to the enhanced DOS around the EF. Moreover, the quantum capacitance of tBLG is further increased at zero bias with an increase of the C vacancy concentration induced by more impurity states. These findings not only provide a suitable multi-band tight-binding model to describe tBLG with C vacancies but also offer theoretical insight for designing electrode candidates for low-power consumption devices with improved quantum capacitance.
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Affiliation(s)
- Baojuan Xin
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Kaixin Zou
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Dayong Liu
- Department of Physics, School of Sciences, Nantong University, Nantong 226019, China
| | - Boyan Li
- National Institute of Clean-and-Low-Carbon Energy, and Beijing Engineering Research Center of Nano-structured Thin Film Solar Cells, Beijing 102211, China
| | - Hong Dong
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Yahui Cheng
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Hui Liu
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Liang-Jian Zou
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Feng Luo
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Feng Lu
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
| | - Wei-Hua Wang
- Department of Electronic Science and Engineering, and Tianjin Key Laboratory of Efficient Utilization of Solar Energy, Nankai University, Tianjin 300350, China.
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11
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Gao Y, Wang Y. Interplay of graphene-DNA interactions: Unveiling sensing potential of graphene materials. APPLIED PHYSICS REVIEWS 2024; 11:011306. [PMID: 38784221 PMCID: PMC11115426 DOI: 10.1063/5.0171364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Graphene-based materials and DNA probes/nanostructures have emerged as building blocks for constructing powerful biosensors. Graphene-based materials possess exceptional properties, including two-dimensional atomically flat basal planes for biomolecule binding. DNA probes serve as excellent selective probes, exhibiting specific recognition capabilities toward diverse target analytes. Meanwhile, DNA nanostructures function as placement scaffolds, enabling the precise organization of molecular species at nanoscale and the positioning of complex biomolecular assays. The interplay of DNA probes/nanostructures and graphene-based materials has fostered the creation of intricate hybrid materials with user-defined architectures. This advancement has resulted in significant progress in developing novel biosensors for detecting DNA, RNA, small molecules, and proteins, as well as for DNA sequencing. Consequently, a profound understanding of the interactions between DNA and graphene-based materials is key to developing these biological devices. In this review, we systematically discussed the current comprehension of the interaction between DNA probes and graphene-based materials, and elucidated the latest advancements in DNA probe-graphene-based biosensors. Additionally, we concisely summarized recent research endeavors involving the deposition of DNA nanostructures on graphene-based materials and explored imminent biosensing applications by seamlessly integrating DNA nanostructures with graphene-based materials. Finally, we delineated the primary challenges and provided prospective insights into this rapidly developing field. We envision that this review will aid researchers in understanding the interactions between DNA and graphene-based materials, gaining deeper insight into the biosensing mechanisms of DNA-graphene-based biosensors, and designing novel biosensors for desired applications.
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Affiliation(s)
- Yanjing Gao
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Yichun Wang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
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12
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Ozaki Y, Morisawa Y, Tanabe I. ATR-far-ultraviolet spectroscopy: a challenge to new σ chemistry. Chem Soc Rev 2024; 53:1730-1768. [PMID: 38287893 DOI: 10.1039/d3cs00437f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
This review reports the recent progress on ATR-far ultraviolet (FUV) spectroscopy in the condensed phase. ATR-FUV spectroscopy for liquids and solids enables one to explore various topics in physical chemistry, analytical chemistry, nanoscience and technology, materials science, electrochemistry, and organic chemistry. In this review, we put particular emphasis on the three major topics: (1) studies on electronic transitions and structures of various molecules, which one cannot investigate via ordinary UV spectroscopy. The combined use of ATR-FUV spectroscopy and quantum chemical calculations allows for the investigation of various electronic transitions, including σ, n-Rydberg transitions. ATR-FUV spectroscopy may open a new avenue for σ-chemistry. (2) ATR-FUV spectroscopy enables one to measure the first electronic transition of water at approximately 160 nm without peak saturation. Using this band, one can study the electronic structure of water, aqueous solutions, and adsorbed water. (3) ATR-FUV spectroscopy has its own advantages of the ATR method as a surface analysis method. ATR-FUV spectroscopy is a powerful technique for exploring a variety of top surface phenomena (∼50 nm) in adsorbed water, polymers, graphene, organic materials, ionic liquids, and so on. This review briefly describes the principles, characteristics, and instrumentation of ATR-FUV spectroscopy. Next, a detailed description about quantum chemical calculation methods for FUV and UV regions is given. The recent application of ATR-FUV-UV spectroscopy studies on electronic transitions from σ orbitals in various saturated molecules is introduced first, followed by a discussion on the applications of ATR-FUV spectroscopy to studies on water, aqueous solutions, and adsorbed water. Applications of ATR-FUV spectroscopy in the analysis of other materials such as polymers, ionic liquids, inorganic semiconductors, graphene, and carbon nanocomposites are elucidated. In addition, ATR-FUV-UV-vis spectroscopy focusing on electrochemical interfaces is outlined. Finally, FUV-UV-surface plasmon resonance studies are discussed.
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Affiliation(s)
- Yukihiro Ozaki
- School of Biological and Environmental Sciences, Kwansei Gakuin University, Sanda, Hyogo 669-1330, Japan.
- Toyota Physical and Chemical Research Institute, Nagakute, Aichi 480-1192, Japan
| | - Yusuke Morisawa
- School of Science and Engineering, Kindai University, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Ichiro Tanabe
- Department of Chemistry, School of Science, Rikkyo University, Toshima, Tokyo 171-8501, Japan.
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13
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Assad H, Lone IA, Kumar A, Kumar A. Unveiling the contemporary progress of graphene-based nanomaterials with a particular focus on the removal of contaminants from water: a comprehensive review. Front Chem 2024; 12:1347129. [PMID: 38420577 PMCID: PMC10899519 DOI: 10.3389/fchem.2024.1347129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/10/2024] [Indexed: 03/02/2024] Open
Abstract
Water scarcity and pollution pose significant challenges to global environmental sustainability and public health. As these concerns intensify, the quest for innovative and efficient water treatment technologies becomes paramount. In recent years, graphene-based nanomaterials have emerged as frontrunners in this pursuit, showcasing exceptional properties that hold immense promise for addressing water contamination issues. Graphene, a single layer of carbon atoms arranged in a hexagonal lattice, exhibits extraordinary mechanical, electrical, and chemical properties. These inherent characteristics have led to a surge of interest in leveraging graphene derivatives, such as graphene oxide (GO), reduced graphene oxide and functionalized graphene, for water treatment applications. The ability of graphene-based nanomaterials to adsorb, catalyze, and photocatalyze contaminants makes them highly versatile in addressing diverse pollutants present in water sources. This review will delve into the synthesis methods employed for graphene-based nanomaterials and explore the structural modifications and functionalization strategies implemented to increase their pollutant removal performance in water treatment. By offering a critical analysis of existing literature and highlighting recent innovations, it will guide future research toward the rational design and optimization of graphene-based nanomaterials for water decontamination. The exploration of interdisciplinary approaches and cutting-edge technologies underscores the evolving landscape of graphene-based water treatment, fostering a path toward sustainable and scalable solutions. Overall, the authors believe that this review will serve as a valuable resource for researchers, engineers, and policymakers working toward sustainable and effective solutions for water purification.
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Affiliation(s)
- Humira Assad
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, India
| | - Imtiyaz Ahmad Lone
- Department of Chemistry, National Institute of Technology, Srinagar, Jammu and Kashmir, India
| | - Alok Kumar
- Department of Mechanical Engineering, Nalanda College of Engineering, Bihar Engineering University, Department of Science, Technology and Technical Education, Government of Bihar, Patna, India
| | - Ashish Kumar
- Department of Chemistry, Nalanda College of Engineering, Bihar Engineering University, Department of Science, Technology and Technical Education, Government of Bihar, Patna, India
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14
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Zhang P, Zhu B, Du P, Travas-Sejdic J. Electrochemical and Electrical Biosensors for Wearable and Implantable Electronics Based on Conducting Polymers and Carbon-Based Materials. Chem Rev 2024; 124:722-767. [PMID: 38157565 DOI: 10.1021/acs.chemrev.3c00392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Bioelectronic devices are designed to translate biological information into electrical signals and vice versa, thereby bridging the gap between the living biological world and electronic systems. Among different types of bioelectronics devices, wearable and implantable biosensors are particularly important as they offer access to the physiological and biochemical activities of tissues and organs, which is significant in diagnosing and researching various medical conditions. Organic conducting and semiconducting materials, including conducting polymers (CPs) and graphene and carbon nanotubes (CNTs), are some of the most promising candidates for wearable and implantable biosensors. Their unique electrical, electrochemical, and mechanical properties bring new possibilities to bioelectronics that could not be realized by utilizing metals- or silicon-based analogues. The use of organic- and carbon-based conductors in the development of wearable and implantable biosensors has emerged as a rapidly growing research field, with remarkable progress being made in recent years. The use of such materials addresses the issue of mismatched properties between biological tissues and electronic devices, as well as the improvement in the accuracy and fidelity of the transferred information. In this review, we highlight the most recent advances in this field and provide insights into organic and carbon-based (semi)conducting materials' properties and relate these to their applications in wearable/implantable biosensors. We also provide a perspective on the promising potential and exciting future developments of wearable/implantable biosensors.
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Affiliation(s)
- Peikai Zhang
- Centre for Innovative Materials for Health, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland 1010, New Zealand
| | - Bicheng Zhu
- Centre for Innovative Materials for Health, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Peng Du
- Auckland Bioengineering Institute, The University of Auckland, Auckland 1010, New Zealand
| | - Jadranka Travas-Sejdic
- Centre for Innovative Materials for Health, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
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15
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Pei C, Zhang J, Li H. Probing Polymorphic Stacking Domains in Mechanically Exfoliated Two-Dimensional Nanosheets Using Atomic Force Microscopy and Ultralow-Frequency Raman Spectroscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:339. [PMID: 38392712 PMCID: PMC10892501 DOI: 10.3390/nano14040339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/26/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
As one of the key features of two-dimensional (2D) layered materials, stacking order has been found to play an important role in modulating the interlayer interactions of 2D materials, potentially affecting their electronic and other properties as a consequence. In this work, ultralow-frequency (ULF) Raman spectroscopy, electrostatic force microscopy (EFM), and high-resolution atomic force microscopy (HR-AFM) were used to systematically study the effect of stacking order on the interlayer interactions as well as electrostatic screening of few-layer polymorphic molybdenum disulfide (MoS2) and molybdenum diselenide (MoSe2) nanosheets. The stacking order difference was first confirmed by measuring the ULF Raman spectrum of the nanosheets with polymorphic stacking domains. The atomic lattice arrangement revealed using HR-AFM also clearly showed a stacking order difference. In addition, EFM phase imaging clearly presented the distribution of the stacking domains in the mechanically exfoliated nanosheets, which could have arisen from electrostatic screening. The results indicate that EFM in combination with ULF Raman spectroscopy could be a simple, fast, and high-resolution method for probing the distribution of polymorphic stacking domains in 2D transition metal dichalcogenide materials. Our work might be promising for correlating the interlayer interactions of TMDC nanosheets with stacking order, a topic of great interest with regard to modulating their optoelectronic properties.
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Affiliation(s)
| | | | - Hai Li
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
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16
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Cullari LL, Yosefi G, Nativ-Roth E, Furó I, Regev O. Decoupling rheology from particle concentration by charge modulation: Aqueous graphene-clay dispersions. J Colloid Interface Sci 2024; 655:863-875. [PMID: 37979292 DOI: 10.1016/j.jcis.2023.11.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/18/2023] [Accepted: 11/07/2023] [Indexed: 11/20/2023]
Abstract
HYPOTHESIS Aqueous graphene dispersions are usually obtainable by treating the surface of graphene chemically or physically. In these dispersions, the rheological properties (e.g., viscosity) are governed by a direct coupling to the graphene concentration, which limits their applicability. An alternative approach for dispersing graphene is trapping them in a viscoelastic-network formed by a co-dispersed charged fibrous-clay, Sepiolite. Contrary to surface treatment, the rheological properties of these dispersions are set by the clay particles. The rheology of charged-colloidal dispersions is governed by various parameters, including interparticle interactions. Hence, the rheology of the dispersion could be modulated by changing the clay surface charge without compromising the dispersed graphene concentration. EXPERIMENTAL The surface charge of Sepiolite was modulated either by charge-screening (by NaCl added to the solution) or by surface-charging (by attachment of highly charged ions, e.g., HexaMetaPhosphate, HMP-) and the effect on rheology and graphene concentration was assessed. In particular, loading the dispersion with HMP- yielded low viscosity, storage, and loss moduli (two orders of magnitude lower than the corresponding HMP--free dispersion) while the graphene concentration was maintained. We demonstrate that by this charge-modulation approach, reaching the rheological requirements of different applications without compromising on graphene concentration is plausible.
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Affiliation(s)
- Lucas Luciano Cullari
- Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
| | - Gal Yosefi
- Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Einat Nativ-Roth
- The Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - István Furó
- Division of Applied Physical Chemistry, Department of Chemistry, KTH Royal Institute of Technology, Stockholm SE-1044, Sweden.
| | - Oren Regev
- Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; The Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
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17
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Liao P, Yu X, He J, Zhang X, Yan W, Qiu Z, Xu H. High-energy-density zinc ion capacitors based on 3D porous free-standing defect-reduced graphene oxide hydrogel cathodes. Phys Chem Chem Phys 2024; 26:1860-1868. [PMID: 38170855 DOI: 10.1039/d3cp05473j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Zinc ion capacitors (ZICs) have shown potential for breaking the energy density ceiling of traditional supercapacitors (SCs) via appropriate device design. Nevertheless, a significant challenge remains in advancing ZIC positive electrode materials with excellent conductivity, high specific capacitance, and reliable cycle stability. A highly attractive option for carbon-based electrode materials is reduced graphene oxide (RGO) due to its vast specific surface area, prominent porosity, and 3D cross-linked frame. However, the tight stacking of RGO sheets driven by van der Waals forces can restrict active sites, decrease specific capacitance, and elevate electrochemical impedance. To overcome these challenges, 3D defective RGO (DRGO) hydrogels were prepared by a metal Co cocatalytic gasification reaction. This method produced mesoporous defects on the surface of RGO hydrogels via a low-temperature hydrothermal self-assembly strategy. The surface of the layer has a wide and uniform distribution, which can offer abundant redox active sites, rich ion transfer channels, and fast reaction kinetics. In this work, 3D DRGO//Zn exhibited a wide operating window (0-1.8 V), high specific capacitance (189.39 F g-1 at 1 A g-1), outstanding energy density (85.23 W h kg-1 at 960.31 W kg-1; 52.36 W h kg-1 at 17454.87 W kg-1), and persistent cycling life (98.86% initial capacitance retention after 10 000 cycles at 10 A g-1). This study emphasizes the device design of ZIC and promising prospects of using 3D DRGO hydrogel as a feasible positive electrode for ZIC.
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Affiliation(s)
- Peng Liao
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiang Yu
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jiaqi He
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Xin Zhang
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wenjie Yan
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zenghui Qiu
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing 100029, China
| | - Haijun Xu
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing 100029, China.
- Beijing Bioprocess Key Laboratory, Beijing University of Chemical Technology, Beijing 100029, China
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18
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Rahman M, Al Mamun MS. Future prospects of MXenes: synthesis, functionalization, properties, and application in field effect transistors. NANOSCALE ADVANCES 2024; 6:367-385. [PMID: 38235082 PMCID: PMC10790980 DOI: 10.1039/d3na00874f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024]
Abstract
MXenes are a family of two-dimensional (2D) materials that have drawn a lot of interest recently because of their distinctive characteristics and possible uses in a variety of industries. This review emphasizes the bright future prospects of MXene materials in the realm of FETs. Their remarkable properties, coupled with their tunability and compatibility, position MXenes as promising candidates for the development of high-performance electronic devices. As research in this field continues to evolve, the potential of MXenes to drive innovation in electronics becomes increasingly evident, fostering excitement for their role in shaping the future of electronic technology. This paper presents a comprehensive overview of MXene materials, focusing on their synthesis methods, functionalization strategies, intrinsic properties, and their promising application in Field Effect Transistors (FETs).
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Affiliation(s)
- Maisha Rahman
- Chemistry Discipline, Khulna University Khulna-9208 Bangladesh
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19
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Akib Hasan M, Sayantha Aniv S, Mominul Islam M. Carbon Nanosheets-Based Supercapacitor Materials: Recent Advances and Prospects. CHEM REC 2024; 24:e202300153. [PMID: 37495861 DOI: 10.1002/tcr.202300153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/09/2023] [Indexed: 07/28/2023]
Abstract
The need for inexpensive and ecologically sustainable energy storage technologies is rising rapidly along with the severity of the world's environmental challenges as well as with the rising demand for portable electronics and hybrid vehicles. Supercapacitors have drawn a lot of attentions lately in this regard because of their ultrahigh power density, outstanding electrochemical stability, and environmental friendliness. Due to various advantages, carbon materials are the choice of designer for developing commercial electrodes for various applications including devising supercapacitors. Two-dimensional (2D) carbon nanosheets (CNSs) with a large surface area and excellent electronic transport properties have fired up the interest of researchers due to their unique properties and potential applications in energy storage. Such engineered 2D porous CNS may significantly improve the energy storage performance of supercapacitor by enabling fast ion transport and charge transfer kinetics. This article summarizes the most recent and significant advances in the area of activated, porous, graphene-based various CNSs and their composites with a special focus on their use as supercapacitor electrodes. A succinct overview about their syntheses and key characterizations regarding their different structural aspects have been discussed. The present challenges and prospects in using CNS in supercapacitor applications are highlighted.
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Affiliation(s)
- Md Akib Hasan
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Suhrid Sayantha Aniv
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Md Mominul Islam
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000, Bangladesh
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20
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Zhang G, Wu W, Yao M, Cui Y, Jiao Y, Qu H, Xu J. A graphene@Cu-MOF hybrid synthesized by mechanical ball milling method and its flame retardancy and smoke suppression effect on EP. CHEMOSPHERE 2024; 346:140521. [PMID: 37925028 DOI: 10.1016/j.chemosphere.2023.140521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 11/06/2023]
Abstract
The traditional method of preparing graphene will cause serious environmental pollution, and the combustion of polymer materials will seriously harm people's health. In this paper, a Cu-MOF-coated graphene composite flame retardant (G@Cu-MOF) rich in flame retardant elements such as B and N was synthesized through green mechanical ball milling method. Flame retardants reduce the threat to the environment and people's lives and property. After adding 6 wt% G@Cu-MOF, the peak heat release rate, total heat release rate, CO production and CO2 production of epoxy resin (EP) composite samples decreased by 55, 14, 59, and 55%, respectively. This type of Cu-MOF releases incombustible gases such as boron trifluoride (BF3) and ammonia (NH3) during combustion, diluting the concentration of combustible gases and producing copper borate in the condensed phase. Cu2+ is reduced to Cu, and boron compounds are converted into boron oxides. The thermal conductivity of graphene can reduce the temperature of the matrix, and has good flame retardancy. It synergistically acts with Cu-MOF to promote the formation of high-quality residual char, and can significantly inhibit the heat and smoke release of EP. It plays a role in flame retardancy and protecting the substrate from fire. This study provides a new approach for preparing graphene hybrid flame retardants through mechanical ball milling, in order to improve the flame retardancy of EP and suppress the release of smoke and toxic gases.
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Affiliation(s)
- Ge Zhang
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China
| | - Weihong Wu
- College of Science, Agriculture University of Hebei, Baoding, 071000, China
| | - Meng Yao
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China
| | - Yumeng Cui
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China
| | - Yunhong Jiao
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China.
| | - Hongqiang Qu
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China.
| | - Jianzhong Xu
- The Flame Retardant Material and Processing Technology Engineering Research Center of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China
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21
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McGarrity M, Zhao F. Graphene-Based Chemiresistor Sensors for Drinking Water Quality Monitoring. SENSORS (BASEL, SWITZERLAND) 2023; 23:9828. [PMID: 38139674 PMCID: PMC10747892 DOI: 10.3390/s23249828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/03/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Monitoring the quality of drinking water is a crucial responsibility for all water infrastructure networks, as it guarantees access to clean water for the communities they serve. With water infrastructure deteriorating due to age and neglect, drinking water violations are on the rise in the US, underscoring the need for improved monitoring capabilities. Among the different sensor technologies, graphene-based chemiresistors have emerged as a promising technology for water quality monitoring due to advantages such as simple design, sensitivity, and selectivity. This review paper provides an overview of recent advances in the development of graphene-based chemiresistors for water quality monitoring, including principles of chemiresistive sensing, sensor design and functionalization, and performance of devices reported in the literature. The paper also discusses challenges and opportunities in the field and highlights future research directions. The development of graphene-based chemiresistors has the potential to revolutionize water quality monitoring by providing highly sensitive and cost-effective sensors that can be integrated into existing infrastructure for real-time monitoring.
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Affiliation(s)
| | - Feng Zhao
- Micro/Nanoelectronic and Energy Laboratory, School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, USA;
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22
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Wang S, Yan X, Chang B, Liu S, Shao L, Zhang W, Zhu Y, Ding X. Atomistic Modeling of the Effect of Temperature on Interfacial Properties of 3D-Printed Continuous Carbon Fiber-Reinforced Polyamide 6 Composite: From Processing to Loading. ACS APPLIED MATERIALS & INTERFACES 2023; 15:56454-56463. [PMID: 37982666 DOI: 10.1021/acsami.3c12372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
The combination of continuous fiber-reinforced thermoplastic composites (CFRTPCs) and the continuous fiber 3D printing (CF3DP) technique enables the rapid production of complex structural composites. In these 3D-printed composites, stress transfer primarily relies on the fiber-resin interface, making it a critical performance factor. The interfacial properties are significantly influenced by the temperatures applied during the loading and forming processes. While the effect of the loading temperature has been extensively researched, that of the forming temperature remains largely unexplored, especially from an atomistic perspective. Our research aims to employ molecular dynamics simulations to elucidate the effect of temperature on the interfacial properties of continuous carbon fiber-reinforced polyamide 6 (C/PA6) composites fabricated using the CF3DP technique, considering both loading and forming aspects. Through molecular dynamics simulations, we uncovered a positive correlation between the interfacial strength and forming temperature. Moreover, an increased forming temperature induced a notable shift in the failure mode of C/PA6 under uniaxial tensile loading. Furthermore, it was observed that increasing loading temperatures led to the deterioration of the mechanical properties of PA6, resulting in a gradual transition of the primary failure mode from adhesive failure to cohesive failure. This shift in the failure mode is closely associated with the glass transition of PA6.
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Affiliation(s)
- Shenru Wang
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
- Ningbo Institute of Technology, Beihang University, Ningbo, Zhejiang 315832, China
| | - Xin Yan
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
- Ningbo Institute of Technology, Beihang University, Ningbo, Zhejiang 315832, China
| | - Baoning Chang
- Ningbo Institute of Technology, Beihang University, Ningbo, Zhejiang 315832, China
| | - Siqin Liu
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
| | - Lihua Shao
- School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
| | - Wuxiang Zhang
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
- Ningbo Institute of Technology, Beihang University, Ningbo, Zhejiang 315832, China
| | - Yingdan Zhu
- Zhejiang Provincial Key Laboratory of Robotics and Intelligent Manufacturing Equipment Technology, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China
| | - Xilun Ding
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
- Ningbo Institute of Technology, Beihang University, Ningbo, Zhejiang 315832, China
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23
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Gendron D, Bubak G. Carbon Nanotubes and Graphene Materials as Xenobiotics in Living Systems: Is There a Consensus on Their Safety? J Xenobiot 2023; 13:740-760. [PMID: 38132708 PMCID: PMC10744618 DOI: 10.3390/jox13040047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023] Open
Abstract
Carbon nanotubes and graphene are two types of nanomaterials that have unique properties and potential applications in various fields, including biomedicine, energy storage, and gas sensing. However, there is still a debate about the safety of these materials, and there is yet to be a complete consensus on their potential risks to human health and the environment. While some studies have provided recommendations for occupational exposure limits, more research is needed to fully understand the potential risks of these materials to human health and the environment. In this review, we will try to summarize the advantages and disadvantages of using carbon nanotubes and graphene as well as composites containing them in the context of their biocompatibility and toxicity to living systems. In addition, we overview current policy guidelines and technical regulations regarding the safety of carbon-based nanomaterials.
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Affiliation(s)
- David Gendron
- Kemitek, Cégep de Thetford, 835 Rue Mooney, Thetford Mines, QC G6G 0A5, Canada
| | - Grzegorz Bubak
- Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland;
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24
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Gutiérrez-Pineda E, Subrati A, Rodríguez-Presa MJ, Gervasi CA, Moya SE. Electrochemical Exfoliation of Graphene Oxide: Unveiling Structural Properties and Electrochemical Performance. Chemistry 2023; 29:e202302450. [PMID: 37671633 DOI: 10.1002/chem.202302450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/07/2023]
Abstract
An electrochemical exfoliation method for the production of graphene oxide and its characterization by electrochemical techniques are presented here. Graphite rods are used as working electrode in a three-electrode electrochemical cell, and electro-exfoliation is achieved by applying anodic polarization in a sulfuric acid solution. The electrochemical process involved two steps characterized by an intercalation at lower potential and an exfoliation at higher potential. The electrochemical behavior of the produced GO is studied through cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). X ray Photoelectronic Spectroscopy (XPS), Raman spectroscopy, Transmission Electron Microscopy (TEM), and Atomic Force Microscopy (AFM) are employed to characterize the structural and chemical properties of the exfoliated GO. The results demonstrate that the electrochemical exfoliation method yields GO materials with varying degrees of oxidation, defect density, and crystallite size, depending on the applied potential and acid concentration. The graphene oxide samples exhibited distinct electrochemical properties, including charge transfer resistance, interfacial capacitance, and relaxation times for the charge transfer, as revealed by CV and EIS measurements with a specifically selected redox probe. The comprehensive characterization performed provides valuable insights into the structure-property relationships of the GO materials synthesized through electrochemical exfoliation of graphite.
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Affiliation(s)
- Eduart Gutiérrez-Pineda
- Soft Matter Nanotechnology Group, CIC biomaGUNE, Paseo Miramon 182 C, 2009, San Sebastián, Guipúzcoa, Spain
- Escuela de Ciencias Básicas, Tecnología e Ingeniería (ECBTI), Universidad Nacional Abierta y a Distancia (UNAD), 680001, Bucaramanga, Santander, Colombia
| | - Ahmed Subrati
- Soft Matter Nanotechnology Group, CIC biomaGUNE, Paseo Miramon 182 C, 2009, San Sebastián, Guipúzcoa, Spain
| | - María José Rodríguez-Presa
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata - CONICET, Sucursal 4 Casilla de Correo 16, 1900, La Plata, Argentina
| | - Claudio A Gervasi
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata - CONICET, Sucursal 4 Casilla de Correo 16, 1900, La Plata, Argentina
| | - Sergio E Moya
- Soft Matter Nanotechnology Group, CIC biomaGUNE, Paseo Miramon 182 C, 2009, San Sebastián, Guipúzcoa, Spain
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Abrha FH, Wondimu TH, Kahsay MH, Fufa Bakare F, Andoshe DM, Kim JY. Graphene-based biosensors for detecting coronavirus: a brief review. NANOSCALE 2023; 15:18184-18197. [PMID: 37927083 DOI: 10.1039/d3nr04583h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
The coronavirus (SARS-CoV-2) disease has affected the globe with 770 437 327 confirmed cases, including about 6 956 900 deaths, according to the World Health Organization (WHO) as of September 2023. Hence, it is imperative to develop diagnostic technologies, such as a rapid cost-effective SARS-CoV-2 detection method. A typical biosensor enables biomolecule detection with an appropriate transducer by generating a measurable signal from the sample. Graphene can be employed as a component for ultrasensitive and selective biosensors based on its physical, optical, and electrochemical properties. Herein, we briefly review graphene-based electrochemical, field-effect transistor (FET), and surface plasmon biosensors for detecting the SARS-CoV-2 target. In addition, details on the surface modification, immobilization, sensitivity and limit of detection (LOD) of all three sensors with regard to SARS-CoV-2 were reported. Finally, the point-of-care (POC) detection of SARS-CoV-2 using a portable smartphone and a wearable watch is a current topic of interest.
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Affiliation(s)
- Filimon Hadish Abrha
- Department of Chemistry, College of Natural and Computational Sciences, Aksum University, Aksum 1010, Ethiopia
- Department of Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
| | - Tadele Hunde Wondimu
- Department of Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
- Center of Advanced Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Mebrahtu Hagos Kahsay
- Department of Applied Chemistry, College of Natural and Computational Sciences, Mekelle University, Mekelle 231, Ethiopia
- Department of Applied Chemistry, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Fetene Fufa Bakare
- Department of Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
- Center of Advanced Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Dinsefa Mensur Andoshe
- Department of Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
| | - Jung Yong Kim
- Department of Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
- Center of Advanced Materials Science and Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
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Moriggi F, Barbera V, Galimberti M, Raffaini G. Adsorption Affinities of Small Volatile Organic Molecules on Graphene Surfaces for Novel Nanofiller Design: A DFT Study. Molecules 2023; 28:7633. [PMID: 38005356 PMCID: PMC10674850 DOI: 10.3390/molecules28227633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
The adsorption of organic molecules on graphene surfaces is a crucial process in many different research areas. Nano-sized carbon allotropes, such as graphene and carbon nanotubes, have shown promise as fillers due to their exceptional properties, including their large surface area, thermal and electrical conductivity, and potential for weight reduction. Surface modification methods, such as the "pyrrole methodology", have been explored to tailor the properties of carbon allotropes. In this theoretical work, an ab initio study based on Density Functional Theory is performed to investigate the adsorption process of small volatile organic molecules (such as pyrrole derivatives) on graphene surface. The effects of substituents, and different molecular species are examined to determine the influence of the aromatic ring or the substituent of pyrrole's aromatic ring on the adsorption energy. The number of atoms and presence of π electrons significantly influence the corresponding adsorption energy. Interestingly, pyrroles and cyclopentadienes are 10 kJ mol-1 more stable than the corresponding unsaturated ones. Pyrrole oxidized derivatives display more favorable supramolecular interactions with graphene surface. Intermolecular interactions affect the first step of the adsorption process and are important to better understand possible surface modifications for carbon allotropes and to design novel nanofillers in polymer composites.
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Affiliation(s)
| | | | - Maurizio Galimberti
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Luigi Mancinelli 7, 20131 Milano, Italy; (F.M.); (V.B.)
| | - Giuseppina Raffaini
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Luigi Mancinelli 7, 20131 Milano, Italy; (F.M.); (V.B.)
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Sadeghi MS, Sangrizeh FH, Jahani N, Abedin MS, Chaleshgari S, Ardakan AK, Baeelashaki R, Ranjbarpazuki G, Rahmanian P, Zandieh MA, Nabavi N, Aref AR, Salimimoghadam S, Rashidi M, Rezaee A, Hushmandi K. Graphene oxide nanoarchitectures in cancer therapy: Drug and gene delivery, phototherapy, immunotherapy, and vaccine development. ENVIRONMENTAL RESEARCH 2023; 237:117027. [PMID: 37659647 DOI: 10.1016/j.envres.2023.117027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/19/2023] [Accepted: 08/29/2023] [Indexed: 09/04/2023]
Abstract
The latest advancements in oncology involves the creation of multifunctional nanostructures. The integration of nanoparticles into the realm of cancer therapy has brought about a transformative shift, revolutionizing the approach to addressing existing challenges and limitations in tumor elimination. This is particularly crucial in combating the emergence of resistance, which has significantly undermined the effectiveness of treatments like chemotherapy and radiotherapy. GO stands as a carbon-derived nanoparticle that is increasingly finding utility across diverse domains, notably in the realm of biomedicine. The utilization of GO nanostructures holds promise in the arena of oncology, enabling precise transportation of drugs and genetic material to targeted sites. GO nanomaterials offer the opportunity to enhance the pharmacokinetic behavior and bioavailability of drugs, with documented instances of these nanocarriers elevating drug accumulation at the tumor location. The GO nanostructures encapsulate genes, shielding them from degradation and facilitating their uptake within cancer cells, thereby promoting efficient gene silencing. The capability of GO to facilitate phototherapy has led to notable advancements in reducing tumor progression. By PDT and PTT combination, GO nanomaterials hold the capacity to diminish tumorigenesis. GO nanomaterials have the potential to trigger both cellular and innate immunity, making them promising contenders for vaccine development. Additionally, types of GO nanoparticles that respond to specific stimuli have been applied in cancer eradication, as well as for the purpose of cancer detection and biomarker diagnosis. Endocytosis serves as the mechanism through which GO nanomaterials are internalized. Given these advantages, the utilization of GO nanomaterials for tumor elimination comes highly recommended.
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Affiliation(s)
- Mohammad Saleh Sadeghi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Negar Jahani
- Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Mahdi Sadegh Abedin
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Soheila Chaleshgari
- Department of Avian Diseases, Faculty of Veterinary Medicine, Chamran University, Ahvaz, Iran
| | - Alireza Khodaei Ardakan
- Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Reza Baeelashaki
- Department of Food Hygiene and Quality Control, Division of Animal Feed Hygiene, Faculty of Veterinary Medicine, Islamic Azad University, Shabestar Branch, Shabestar, Iran
| | - Golnaz Ranjbarpazuki
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Parham Rahmanian
- Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Mohammad Arad Zandieh
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Noushin Nabavi
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC, V5Z 1M9, Canada
| | - Amir Reza Aref
- Department of Cancer Biology, Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Department of Genetics, Harvard Medical School, Boston, MA, USA; Department of Translational Sciences, Xsphera Biosciences Inc. Boston, MA, USA
| | - Shokooh Salimimoghadam
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Aryan Rezaee
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
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Paramasivam N, Sambandam A, Natesan B. Density functional theory studies on graphene/h-boron nitride hybrid nanosheets for supercapacitor electrode applications. Phys Chem Chem Phys 2023; 25:29914-29923. [PMID: 37901967 DOI: 10.1039/d3cp04326f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Pristine graphene (C32), hexagonal boron nitride (h-BN), and graphene/h-BN hybrid nanosheets were examined using density functional theory calculations in order to find their suitability as an electrode material for supercapacitor applications. The stability of the structure, charge density, electronic properties, and quantum capacitance of pristine graphene and graphene/h-BN hybrid nanosheets were studied. The structural optimization results reveal that all the nanosheets are stable with zero transverse displacement of atoms along the z-direction. Further, replacing the C-C pair with B-N altered the average bond length and angle, thereby maintaining structural stability. The interaction between graphene and h-BN is higher for C16B8N8 compared to other hybrid nanosheets because of the delocalized distribution of the electron density cloud. The doping of the B-N pair into the graphene nanosheet shifts the Fermi level into either the valence band or the conduction band based on the concentration of the B-N pair. Meanwhile, the effective mass is increased and is relatively high for the hybrid nanosheets with a localized state. The pristine B16N16 nanosheet exhibits a quantum capacitance of 31.539 μF cm-2, while among the hybrid nanosheets, the C4B14N14 nanosheet exhibits a maximum quantum capacitance of 22.518 μF cm-2, and from the outcomes, they are suitable as an electrode for asymmetric supercapacitors.
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Affiliation(s)
- Naveena Paramasivam
- Condensed Matter Theory Lab., Department of Physics, National Institute of Technology, Tiruchirappalli, Tamil Nadu, 620015, India.
| | - Anandan Sambandam
- Nanomaterials and Solar Energy Conversion Lab., Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamil Nadu, 620015, India
| | - Baskaran Natesan
- Condensed Matter Theory Lab., Department of Physics, National Institute of Technology, Tiruchirappalli, Tamil Nadu, 620015, India.
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29
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Rodríguez-Hueso JE, Borbón-Nuñez HA, Ponce-Pérez R, Hoat DM, Takeuchi N, Tiznado H, Guerrero-Sánchez J. Atomic-scale study of TiO 2-GR nanohybrid formation by ALD: the effect of the gas phase precursor. NANOSCALE ADVANCES 2023; 5:5476-5486. [PMID: 37822911 PMCID: PMC10563838 DOI: 10.1039/d3na00729d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 09/07/2023] [Indexed: 10/13/2023]
Abstract
In the present work, we report on a theoretical-computational study of the growth mechanism of the TiO2-Graphene nanohybrid by atomic layer deposition. Hydroxyl groups (OH) are anchoring sites for interacting with the main ALD titanium precursors (Tetrakis (dimethylamino) Titanium, Titanium Tetrachloride, and Titanium Isopropoxide). Results demonstrate that the chemical nature of the precursor directly affects the reaction mechanism in each ALD growth step. Tetrakis(dimethylamino)titanium is the precursor that presents a higher affinity (lower energy barriers for the reaction) to hydroxylated graphene in the growth process. A complete reaction mechanism for each precursor was proposed. The differences between precursors were discussed through the non-covalent interactions index. Finally, the water molecules help reduce the energy barriers and consequently favor the formation of the TiO2-graphene nanohybrid.
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Affiliation(s)
- Jonathan E Rodríguez-Hueso
- Centro de Investigación Científica y de Educación Superior de Ensenada,Carretera Tijuana-Ensenada 3918 Apdo. Postal 22860 Ensenada B.C. Mexico
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
| | - H A Borbón-Nuñez
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
- CONAHCyT- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
| | - R Ponce-Pérez
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
| | - D M Hoat
- Institute of Theoretical and Applied Research, Duy Tan University Ha Noi 100000 Viet Nam
- Faculty of Natural Sciences, Duy Tan University Da Nang 550000 Viet Nam
| | - N Takeuchi
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
| | - H Tiznado
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
| | - Jonathan Guerrero-Sánchez
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Km.107, Apdo. Postal 14. Carretera Tijuana-Ensenada Ensenada Baja California Mexico
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Pawelski D, Plonska-Brzezinska ME. Microwave-Assisted Synthesis as a Promising Tool for the Preparation of Materials Containing Defective Carbon Nanostructures: Implications on Properties and Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6549. [PMID: 37834689 PMCID: PMC10573823 DOI: 10.3390/ma16196549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
In this review, we focus on a small section of the literature that deals with the materials containing pristine defective carbon nanostructures (CNs) and those incorporated into the larger systems containing carbon atoms, heteroatoms, and inorganic components.. Briefly, we discuss only those topics that focus on structural defects related to introducing perturbation into the surface topology of the ideal lattice structure. The disorder in the crystal structure may vary in character, size, and location, which significantly modifies the physical and chemical properties of CNs or their hybrid combination. We focus mainly on the method using microwave (MW) irradiation, which is a powerful tool for synthesizing and modifying carbon-based solid materials due to its simplicity, the possibility of conducting the reaction in solvents and solid phases, and the presence of components of different chemical natures. Herein, we will emphasize the advantages of synthesis using MW-assisted heating and indicate the influence of the structure of the obtained materials on their physical and chemical properties. It is the first review paper that comprehensively summarizes research in the context of using MW-assisted heating to modify the structure of CNs, paying attention to its remarkable universality and simplicity. In the final part, we emphasize the role of MW-assisted heating in creating defects in CNs and the implications in designing their properties and applications. The presented review is a valuable source summarizing the achievements of scientists in this area of research.
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Affiliation(s)
| | - Marta E. Plonska-Brzezinska
- Department of Organic Chemistry, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Bialystok, Mickiewicza 2A, 15-222 Bialystok, Poland;
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31
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Shrestha K, Kim S, Han J, Florez GM, Truong H, Hoang T, Parajuli S, AM T, Kim B, Jung Y, Abafogi AT, Lee Y, Song SH, Lee J, Park S, Kang M, Huh HJ, Cho G, Lee LP. Mobile Efficient Diagnostics of Infectious Diseases via On-Chip RT-qPCR: MEDIC-PCR. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302072. [PMID: 37587764 PMCID: PMC10558658 DOI: 10.1002/advs.202302072] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/21/2023] [Indexed: 08/18/2023]
Abstract
The COVID-19 outbreak has caused public and global health crises. However, the lack of on-site fast, reliable, sensitive, and low-cost reverse transcription polymerase chain reaction (RT-PCR) testing limits early detection, timely isolation, and epidemic prevention and control. Here, the authors report a rapid mobile efficient diagnostics of infectious diseases via on-chip -RT-quantitative PCR (RT-qPCR): MEDIC-PCR. First, the authors use a roll-to-roll printing process to accomplish low-cost carbon-black-based disposable PCR chips that enable rapid LED-induced photothermal PCR cycles. The MEDIC-PCR can perform RT (3 min), and PCR (9 min) steps. Further, the cohort of 89 COVID-19 and 103 non-COVID-19 patients testing is completed by the MEDIC-PCR to show excellent diagnostic accuracy of 97%, sensitivity of 94%, and specificity of 98%. This MEDIC-PCR can contribute to the preventive global health in the face of a future pandemic.
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Affiliation(s)
- Kiran Shrestha
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Seongryeong Kim
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Jiyeon Han
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Gabriela Morales Florez
- Department of Biological ScienceCollege of ScienceSungkyunkwan UniversitySuwon16419South Korea
| | - Han Truong
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Trung Hoang
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
| | - Sajjan Parajuli
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Tiara AM
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Beomsoo Kim
- School of Electronic and Electrical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Younsu Jung
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | | | - Yugyeong Lee
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Seung Hyun Song
- Department of Electronics EngineeringSookmyung Women's UniversitySeoul04310South Korea
| | - Jinkee Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Sungsu Park
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Minhee Kang
- Biomedical Engineering Research CenterSmart Healthcare Research InstituteSamsung Medical CenterSeoul06352South Korea
- Department of Medical Device Management and ResearchSAIHST (Samsung Advanced Institute for Health Sciences & Technology)Sungkyunkwan UniversitySeoul06355South Korea
| | - Hee Jae Huh
- School of MedicineDepartment of Laboratory Medicine and GeneticsSamsung Medical CenterSungkyunkwan UniversitySeoul06351South Korea
| | - Gyoujin Cho
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Luke P. Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Harvard Medical SchoolDepartment of MedicineBrigham Women's HospitalBostonMA02115USA
- Department of BioengineeringUniversity of California at BerkeleyBerkeleyCA94720USA
- Department of Electrical Engineering and Computer ScienceUniversity of California at BerkeleyBerkeleyCA94720USA
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32
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AbouAitah K, Sabbagh F, Kim BS. Graphene Oxide Nanostructures as Nanoplatforms for Delivering Natural Therapeutic Agents: Applications in Cancer Treatment, Bacterial Infections, and Bone Regeneration Medicine. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2666. [PMID: 37836307 PMCID: PMC10574074 DOI: 10.3390/nano13192666] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023]
Abstract
Graphene, fullerenes, diamond, carbon nanotubes, and carbon dots are just a few of the carbon-based nanomaterials that have gained enormous popularity in a variety of scientific disciplines and industrial uses. As a two-dimensional material in the creation of therapeutic delivery systems for many illnesses, nanosized graphene oxide (NGO) is now garnering a large amount of attention among these materials. In addition to other benefits, NGO functions as a drug nanocarrier with remarkable biocompatibility, high pharmaceutical loading capacity, controlled drug release capability, biological imaging efficiency, multifunctional nanoplatform properties, and the power to increase the therapeutic efficacy of loaded agents. Thus, NGO is a perfect nanoplatform for the development of drug delivery systems (DDSs) to both detect and treat a variety of ailments. This review article's main focus is on investigating surface functionality, drug-loading methods, and drug release patterns designed particularly for smart delivery systems. The paper also examines the relevance of using NGOs to build DDSs and considers prospective uses in the treatment of diseases including cancer, infection by bacteria, and bone regeneration medicine. These factors cover the use of naturally occurring medicinal substances produced from plant-based sources.
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Affiliation(s)
- Khaled AbouAitah
- Department of Chemical Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea; (K.A.); (F.S.)
- Medicinal and Aromatic Plants Research Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre (NRC), 33 El-Behouth Street, Dokki, Giza 12622, Egypt
| | - Farzaneh Sabbagh
- Department of Chemical Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea; (K.A.); (F.S.)
| | - Beom Soo Kim
- Department of Chemical Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea; (K.A.); (F.S.)
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Brakat A, Zhu H. From Forces to Assemblies: van der Waals Forces-Driven Assemblies in Anisotropic Quasi-2D Graphene and Quasi-1D Nanocellulose Heterointerfaces towards Quasi-3D Nanoarchitecture. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2399. [PMID: 37686907 PMCID: PMC10489977 DOI: 10.3390/nano13172399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/14/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023]
Abstract
In the pursuit of advanced functional materials, the role of low-dimensional van der Waals (vdW) heterointerfaces has recently ignited noteworthy scientific interest, particularly in assemblies that incorporate quasi-2D graphene and quasi-1D nanocellulose derivatives. The growing interest predominantly stems from the potential to fabricate distinct genres of quasi-2D/1D nanoarchitecture governed by vdW forces. Despite the possibilities, the inherent properties of these nanoscale entities are limited by in-plane covalent bonding and the existence of dangling π-bonds, constraints that inhibit emergent behavior at heterointerfaces. An innovative response to these limitations proposes a mechanism that binds multilayered quasi-2D nanosheets with quasi-1D nanochains, capitalizing on out-of-plane non-covalent interactions. The approach facilitates the generation of dangling bond-free iso-surfaces and promotes the functionalization of multilayered materials with exceptional properties. However, a gap still persists in understanding transition and alignment mechanisms in disordered multilayered structures, despite the extensive exploration of monolayer and asymmetric bilayer arrangements. In this perspective, we comprehensively review the sophisticated aspects of multidimensional vdW heterointerfaces composed of quasi-2D/1D graphene and nanocellulose derivatives. Further, we discuss the profound impacts of anisotropy nature and geometric configurations, including in-plane and out-of-plane dynamics on multiscale vdW heterointerfaces. Ultimately, we shed light on the emerging prospects and challenges linked to constructing advanced functional materials in the burgeoning domain of quasi-3D nanoarchitecture.
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Affiliation(s)
| | - Hongwei Zhu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
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Balken E, Ben-Nun I, Fellig A, Khaykelson D, Raviv U. Upgrade of D+ software for hierarchical modeling of X-ray scattering data from complex structures in solution, fibers and single orientations. J Appl Crystallogr 2023; 56:1295-1303. [PMID: 37555208 PMCID: PMC10405579 DOI: 10.1107/s1600576723005319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 06/14/2023] [Indexed: 08/10/2023] Open
Abstract
This article presents an upgrade of the D+ software [Ginsburg et al. (2019 ▸). J. Appl. Cryst. 52, 219-242], expanding its hierarchical solution X-ray scattering modeling capabilities for fiber diffraction and single crystallographic orientations. This upgrade was carried out using the reciprocal grid algorithm [Ginsburg et al. (2016 ▸). J. Chem. Inf. Model. 56, 1518-1527], providing D+ its computational strength. Furthermore, the extensive modifications made to the Python API of D+ are described, broadening the X-ray analysis performed with D+ to account for the effects of the instrument-resolution function and polydispersity. In addition, structure-factor and radial-distribution-function modules were added, taking into account the effects of thermal fluctuations and intermolecular interactions. Finally, numerical examples demonstrate the usage and potential of the added features.
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Affiliation(s)
- Eytan Balken
- Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram 9190401, Jerusalem, Israel
| | - Itai Ben-Nun
- Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram 9190401, Jerusalem, Israel
| | - Amos Fellig
- Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram 9190401, Jerusalem, Israel
| | - Daniel Khaykelson
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Uri Raviv
- Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram 9190401, Jerusalem, Israel
- Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram 9190401, Jerusalem, Israel
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35
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Stenczel TK, El-Machachi Z, Liepuoniute G, Morrow JD, Bartók AP, Probert MIJ, Csányi G, Deringer VL. Machine-learned acceleration for molecular dynamics in CASTEP. J Chem Phys 2023; 159:044803. [PMID: 37497818 DOI: 10.1063/5.0155621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/03/2023] [Indexed: 07/28/2023] Open
Abstract
Machine learning (ML) methods are of rapidly growing interest for materials modeling, and yet, the use of ML interatomic potentials for new systems is often more demanding than that of established density-functional theory (DFT) packages. Here, we describe computational methodology to combine the CASTEP first-principles simulation software with the on-the-fly fitting and evaluation of ML interatomic potential models. Our approach is based on regular checking against DFT reference data, which provides a direct measure of the accuracy of the evolving ML model. We discuss the general framework and the specific solutions implemented, and we present an example application to high-temperature molecular-dynamics simulations of carbon nanostructures. The code is freely available for academic research.
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Affiliation(s)
- Tamás K Stenczel
- Engineering Laboratory, University of Cambridge, Cambridge CB2 1PZ, United Kingdom
| | - Zakariya El-Machachi
- Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, Oxford OX1 3QR, United Kingdom
| | - Guoda Liepuoniute
- Engineering Laboratory, University of Cambridge, Cambridge CB2 1PZ, United Kingdom
| | - Joe D Morrow
- Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, Oxford OX1 3QR, United Kingdom
| | - Albert P Bartók
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
- Warwick Centre for Predictive Modelling, School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Matt I J Probert
- School of Physics, Engineering and Technology, University of York, York YO10 5DD, United Kingdom
| | - Gábor Csányi
- Engineering Laboratory, University of Cambridge, Cambridge CB2 1PZ, United Kingdom
| | - Volker L Deringer
- Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, Oxford OX1 3QR, United Kingdom
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36
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Lee Y, Low MJ, Yang D, Nam HK, Le TSD, Lee SE, Han H, Kim S, Vu QH, Yoo H, Yoon H, Lee J, Sandeep S, Lee K, Kim SW, Kim YJ. Ultra-thin light-weight laser-induced-graphene (LIG) diffractive optics. LIGHT, SCIENCE & APPLICATIONS 2023; 12:146. [PMID: 37322023 DOI: 10.1038/s41377-023-01143-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/13/2023] [Accepted: 03/30/2023] [Indexed: 06/17/2023]
Abstract
The realization of hybrid optics could be one of the best ways to fulfill the technological requirements of compact, light-weight, and multi-functional optical systems for modern industries. Planar diffractive lens (PDL) such as diffractive lenses, photonsieves, and metasurfaces can be patterned on ultra-thin flexible and stretchable substrates and be conformally attached on top of arbitrarily shaped surfaces. In this review, we introduce recent research works addressed to the design and manufacturing of ultra-thin graphene optics, which will open new markets in compact and light-weight optics for next-generation endoscopic brain imaging, space internet, real-time surface profilometry, and multi-functional mobile phones. To provide higher design flexibility, lower process complexity, and chemical-free process with reasonable investment cost, direct laser writing (DLW) of laser-induced-graphene (LIG) is actively being applied to the patterning of PDL. For realizing the best optical performances in DLW, photon-material interactions have been studied in detail with respect to different laser parameters; the resulting optical characteristics have been evaluated in terms of amplitude and phase. A series of exemplary laser-written 1D and 2D PDL structures have been actively demonstrated with different base materials, and then, the cases are being expanded to plasmonic and holographic structures. The combination of these ultra-thin and light-weight PDL with conventional bulk refractive or reflective optical elements could bring together the advantages of each optical element. By integrating these suggestions, we suggest a way to realize the hybrid PDL to be used in the future micro-electronics surface inspection, biomedical, outer space, and extended reality (XR) industries.
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Affiliation(s)
- Younggeun Lee
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Mun Ji Low
- School of Mechanical and Aerospace Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, 639798, Singapore, Singapore
- Panasonic Factory Solutions Asia Pacific (PFSAP), 285 Jalan Ahmad Ibrahim, 639931, Singapore, Singapore
| | - Dongwook Yang
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Han Ku Nam
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Truong-Son Dinh Le
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seung Eon Lee
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hyogeun Han
- Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seunghwan Kim
- Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Quang Huy Vu
- Department of Mechanical System Design Engineering, Seoul National University of Science and Technology (Seuoltech), 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Republic of Korea
| | - Hongki Yoo
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hyosang Yoon
- Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Joohyung Lee
- Department of Mechanical System Design Engineering, Seoul National University of Science and Technology (Seuoltech), 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Republic of Korea
| | - Suchand Sandeep
- School of Mechanical and Aerospace Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, 639798, Singapore, Singapore
| | - Keunwoo Lee
- LASER N GRAPN INC., 193 Munji-ro, Yuseong-gu, Daejeon, 34051, Republic of Korea
| | - Seung-Woo Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Young-Jin Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
- Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
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Miyata T, Gohda S, Oshita A, Ono H, Kashimura K. Synthesis of Graphene-like Materials from Acetylene Black, Activated Carbon, and Ketjenblack via Separated Microwave Electric and Magnetic Field Heating. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16103723. [PMID: 37241349 DOI: 10.3390/ma16103723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/03/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023]
Abstract
Acetylene black, activated carbon, and Ketjenblack were subjected to microwave heating up to 1000 °C under N2 atmosphere to rapidly convert them into graphene-like materials. Few carbon materials exhibit a favorable increase in the intensity of the G' band with increasing temperature. Upon electric field heating of acetylene black to 1000 °C, the observed relative intensity ratios of D and G bands (or G' and G band) were equivalent to those of reduced graphene oxide heated under identical conditions. In addition, microwave irradiation under different conditions, i.e., electric field or magnetic field heating, produced graphene of qualities different from those of the same carbon material conventionally treated at the same temperature. We propose that this difference arises from the different mesoscale temperature gradients. The conversion of inexpensive acetylene black and Ketjenblack into graphene-like materials within 2 min of microwave heating is a major achievement toward low-cost mass synthesis of graphene.
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Affiliation(s)
- Takeshi Miyata
- Faculty of Engineering, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Aichi, Japan
| | - Syun Gohda
- Nippon Shokubai Co., Ltd., Nishi-Otabicho, Suita 564-0034, Osaka, Japan
| | - Akio Oshita
- Faculty of Engineering, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Aichi, Japan
| | - Hironobu Ono
- Nippon Shokubai Co., Ltd., Nishi-Otabicho, Suita 564-0034, Osaka, Japan
| | - Keiichiro Kashimura
- Faculty of Engineering, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Aichi, Japan
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38
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Myers NM, Peña FJ, Cortés N, Vargas P. Multilayer Graphene as an Endoreversible Otto Engine. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091548. [PMID: 37177093 PMCID: PMC10180394 DOI: 10.3390/nano13091548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/29/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
We examine the performance of a finite-time, endoreversible Otto heat engine with a working medium of monolayer or multilayered graphene subjected to an external magnetic field. As the energy spectrum of multilayer graphene under an external magnetic field depends strongly on the number of layers, so too does its thermodynamic behavior. We show that this leads to a simple relationship between the engine efficiency and the number of layers of graphene in the working medium. Furthermore, we find that the efficiency at maximum power for bilayer and trilayer working mediums can exceed that of a classical endoreversible Otto cycle. Conversely, a working medium of monolayer graphene displays identical efficiency at maximum power to a classical working medium. These results demonstrate that layered graphene can be a useful material for the construction of efficient thermal machines for diverse quantum device applications.
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Affiliation(s)
- Nathan M Myers
- Department of Physics, Virginia Tech, Blacksburg, VA 24061, USA
| | - Francisco J Peña
- Departamento de Física, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso 11520, Chile
- Millennium Nucleus in NanoBioPhysics (NNBP), Av. España 1680, Valparaíso 11520, Chile
| | - Natalia Cortés
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica Casilla 7D, Chile
- Department of Physics and Astronomy, and Nanoscale and Quantum Phenomena Institute, Ohio University, Athens, OH 45701, USA
| | - Patricio Vargas
- Departamento de Física, CEDENNA, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso 11520, Chile
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39
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Kausar A. Polymeric nanocomposite with polyhedral oligomeric silsesquioxane and nanocarbon (fullerene, graphene, carbon nanotube, nanodiamond)—futuristic headways. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2022.2164724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Affiliation(s)
- Ayesha Kausar
- National Centre for Physics, NPU-NCP Joint International Research Center on Advanced Nanomaterials and Defects Engineering, Islamabad, Pakistan
- NPU-NCP Joint International Research Center on Advanced Nanomaterials and Defects Engineering, Northwestern Polytechnical University Xi’an China, Xi’an, China
- UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, Somerset West, South Africa
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40
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Wilczewski S, Skórczewska K, Tomaszewska J, Osial M, Dąbrowska A, Nikiforow K, Jenczyk P, Grzywacz H. Graphene Modification by Curcuminoids as an Effective Method to Improve the Dispersion and Stability of PVC/Graphene Nanocomposites. Molecules 2023; 28:molecules28083383. [PMID: 37110616 PMCID: PMC10143296 DOI: 10.3390/molecules28083383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/04/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
A large amount of graphene-related research is its use as a filler for polymer composites, including thin nanocomposite films. However, its use is limited by the need for large-scale methods to obtain high-quality filler, as well as its poor dispersion in the polymer matrix. This work presents polymer thin-film composites based on poly(vinyl chloride) (PVC) and graphene, whose surfaces were modified by curcuminoids. TGA, UV-vis, Raman spectroscopy, XPS, TEM, and SEM methods have confirmed the effectiveness of the graphene modification due to π-π interactions. The dispersion of graphene in the PVC solution was investigated by the turbidimetric method. SEM, AFM, and Raman spectroscopy methods evaluated the thin-film composite's structure. The research showed significant improvements in terms of graphene's dispersion (in solutions and PVC composites) following the application of curcuminoids. The best results were obtained for materials modified with compounds obtained from the extraction of the rhizome of Curcuma longa L. Modification of the graphene's surface with these compounds also increased the thermal and chemical stability of PVC/graphene nanocomposites.
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Affiliation(s)
- Sławomir Wilczewski
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Seminaryjna 3 Street, 85-326 Bydgoszcz, Poland
| | - Katarzyna Skórczewska
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Seminaryjna 3 Street, 85-326 Bydgoszcz, Poland
| | - Jolanta Tomaszewska
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Seminaryjna 3 Street, 85-326 Bydgoszcz, Poland
| | - Magdalena Osial
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B Street, 02-106 Warsaw, Poland
| | - Agnieszka Dąbrowska
- Faculty of Chemistry, University of Warsaw, Pasteura 1 Street, 02-093 Warsaw, Poland
- Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Kostiantyn Nikiforow
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Piotr Jenczyk
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B Street, 02-106 Warsaw, Poland
| | - Hubert Grzywacz
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B Street, 02-106 Warsaw, Poland
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Fonticoli L, Diomede F, Nanci A, Fontana A, Della Rocca Y, Guadarrama Bello D, Pilato S, Trubiani O, Pizzicannella J, Marconi GD. Enriched Graphene Oxide-Polypropylene Suture Threads Buttons Modulate the Inflammatory Pathway Induced by Escherichia coli Lipopolysaccharide. Int J Mol Sci 2023; 24:ijms24076622. [PMID: 37047593 PMCID: PMC10095426 DOI: 10.3390/ijms24076622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Graphene oxide (GO), derived from graphene, has remarkable chemical–physical properties such as stability, strength, and thermal or electric conductivity and additionally shows antibacterial and anti-inflammatory properties. The present study aimed to evaluate the anti-inflammatory effects of polypropylene suture threads buttons (PPSTBs), enriched with two different concentrations of GO, in the modulation of the inflammatory pathway TLR4/MyD 88/NFκB p65/NLRP3 induced by the Escherichia coli (E. coli) lipopolysaccharide (LPS-E). The gene and the protein expression of inflammatory markers were evaluated in an in vitro model of primary human gingival fibroblasts (hGFs) by real-time PCR, western blotting, and immunofluorescence analysis. Both GO concentrations used in the polypropylene suture threads buttons-GO constructs (PPSTBs-GO) decreased the expression of inflammatory markers in hGFs treated with LPS-E. The hGFs morphology and adhesion on the PPSTBs-GO constructs were also visualized by inverted light microscopy, scanning electron microscopy (SEM), and real-time PCR. Together, these results suggest that enriched PPSTBs-GO modulates the inflammatory process through TLR4/MyD 88/NFκB p65/NLRP3 pathway.
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Affiliation(s)
- Luigia Fonticoli
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Francesca Diomede
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
- UdA TechLab, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Antonio Nanci
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montreal, QC H3C3J7, Canada
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montreal, QC H3C3J7, Canada
| | - Antonella Fontana
- UdA TechLab, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
- Department of Pharmacy, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Ylenia Della Rocca
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Dainelys Guadarrama Bello
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montreal, QC H3C3J7, Canada
| | - Serena Pilato
- Department of Pharmacy, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Oriana Trubiani
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
- UdA TechLab, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Jacopo Pizzicannella
- UdA TechLab, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
- Department of Engineering and Geology, University “G. d’ Annunzio” Chieti-Pescara, Viale Pindaro, 42, 65127 Pescara, Italy
| | - Guya Diletta Marconi
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
- UdA TechLab, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
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Solangi NH, Mazari SA, Mubarak NM, Karri RR, Rajamohan N, Vo DVN. Recent trends in MXene-based material for biomedical applications. ENVIRONMENTAL RESEARCH 2023; 222:115337. [PMID: 36682442 DOI: 10.1016/j.envres.2023.115337] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/03/2023] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
MXene is a magical class of 2D nanomaterials and emerging in many applications in diverse fields. Due to the multiple advantageous characteristics of its fundamental components, such as structural, physicochemical, optical, and occasionally even biological characteristics. However, it is limited in the biomedical industry due to poor physiological stability, decomposition rate, and lack of controlled and sustained drug release. These limitations can be overcome when MXene forms composites with other 2D materials. The efficiency of pure MXene in biomedicine is inferior to that of MXene-based composites. The availability of functionality on the exterior part of MXene has a key role in the modification of their surface and their characteristics. This review provides an extensive discussion on the synthesizing of MXene and the role of the surface functionalities on the efficiency of MXene. In addition, a detailed discussion of the biomedical applications of MXene, including antibacterial activity, regenerative medicine, CT scan capability, drug delivery, diagnostics, MRI and biosensing capability. Furthermore, an outline of the future problems and challenges of MXene-based materials for biomedical applications was narrated. Thus, these salient features showcase the potential of MXene-based material and will be a breakthrough in biomedical applications in the near future.
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Affiliation(s)
- Nadeem Hussain Solangi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan.
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
| | - Dai-Viet N Vo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam
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43
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Swinkels PJM, Gong Z, Sacanna S, Noya EG, Schall P. Visualizing defect dynamics by assembling the colloidal graphene lattice. Nat Commun 2023; 14:1524. [PMID: 36934102 PMCID: PMC10024684 DOI: 10.1038/s41467-023-37222-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 03/07/2023] [Indexed: 03/20/2023] Open
Abstract
Graphene has been under intense scientific interest because of its remarkable optical, mechanical and electronic properties. Its honeycomb structure makes it an archetypical two-dimensional material exhibiting a photonic and phononic band gap with topologically protected states. Here, we assemble colloidal graphene, the analogue of atomic graphene using pseudo-trivalent patchy particles, allowing particle-scale insight into crystal growth and defect dynamics. We directly observe the formation and healing of common defects, like grain boundaries and vacancies using confocal microscopy. We identify a pentagonal defect motif that is kinetically favoured in the early stages of growth, and acts as seed for more extended defects in the later stages. We determine the conformational energy of the crystal from the bond saturation and bond angle distortions, and follow its evolution through the energy landscape upon defect rearrangement and healing. These direct observations reveal that the origins of the most common defects lie in the early stages of graphene assembly, where pentagons are kinetically favoured over the equilibrium hexagons of the honeycomb lattice, subsequently stabilized during further growth. Our results open the door to the assembly of complex 2D colloidal materials and investigation of their dynamical, mechanical and optical properties.
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Affiliation(s)
- Piet J M Swinkels
- Institute of Physics, University of Amsterdam, Amsterdam, the Netherlands
| | - Zhe Gong
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY, USA
| | - Stefano Sacanna
- Molecular Design Institute, Department of Chemistry, New York University, New York, NY, USA
| | - Eva G Noya
- Instituto de Química Física Rocasolano, CSIC, Madrid, Spain
| | - Peter Schall
- Institute of Physics, University of Amsterdam, Amsterdam, the Netherlands.
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44
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Luhadiya N, Choyal V, Kundalwal SI, Sahu SK. Investigation of unified impact of Ti adatom and N doping on hydrogen gas adsorption capabilities of defected graphene sheets. J Mol Graph Model 2023; 119:108399. [PMID: 36563644 DOI: 10.1016/j.jmgm.2022.108399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/16/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
In this work, we studied the hydrogen adsorption capabilities of functionalized graphene sheets containing a variety of defects (D-G) via molecular dynamics (MD) simulations that govern the mechanisms involved in hydrogen adsorption. Specifically, the graphene sheets containing monovacancy (MV), Stone-Wales (SW), and multiple double vacancy (DV) defects were functionalized with Ti and N atoms to enhance their hydrogen adsorption capacity. We measured the adsorption capacities of the N-/D-G sheets with varying concentrations of Ti adatoms at 300 K and 77 K temperatures and various pressures. Our study revealed that the increasing concentration of Ti adatoms on the D-G sheets led to a significant improvement in the hydrogen adsorption capacity of the graphene sheets. The DV(III)-G sheets showed the maximum adsorption capacity at 300 K because the DV(III)-G sheets had a small number of large-sized pores that bind hydrogen with high binding energy. Thus, hydrogen remained adsorbed even at higher temperatures (300 K). The N doping on the D-G sheets initially reduced their hydrogen adsorption capabilities; however, the N-D-G sheets enhanced their hydrogen adsorption capacity with the increasing concentrations of Ti adatoms. Compared to all other defect types, the Ti-N-DV(III)-G sheet with a Ti concentration of 10.5% showed a hydrogen uptake of 5.5 wt% at 300 K and 100 bar pressure. Thus, the N doping and Ti implantations improved the hydrogen storage capabilities of the graphene sheets, and these findings helped design solid-state hydrogen storage systems operating at ambient conditions and moderate pressure ranges.
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Affiliation(s)
- Nitin Luhadiya
- Applied and Theoretical Mechanics (ATOM) Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Indore, Simrol, Indore, 453552, Madhya Pradesh, India.
| | - Vijay Choyal
- Department of Materials Engineering, Indian Institute of Science, Bengaluru, 560012, Karnataka, India
| | - Shailesh I Kundalwal
- Applied and Theoretical Mechanics (ATOM) Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Indore, Simrol, Indore, 453552, Madhya Pradesh, India.
| | - S K Sahu
- Applied and Theoretical Mechanics (ATOM) Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Indore, Simrol, Indore, 453552, Madhya Pradesh, India
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45
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Soni A, Bhandari MP, Tripathi GK, Bundela P, Khiriya PK, Khare PS, Kashyap MK, Dey A, Vellingiri B, Sundaramurthy S, Suresh A, Pérez de la Lastra JM. Nano-biotechnology in tumour and cancerous disease: A perspective review. J Cell Mol Med 2023; 27:737-762. [PMID: 36840363 PMCID: PMC10002932 DOI: 10.1111/jcmm.17677] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/07/2022] [Accepted: 11/18/2022] [Indexed: 02/26/2023] Open
Abstract
In recent years, drug manufacturers and researchers have begun to consider the nanobiotechnology approach to improve the drug delivery system for tumour and cancer diseases. In this article, we review current strategies to improve tumour and cancer drug delivery, which mainly focuses on sustaining biocompatibility, biodistribution, and active targeting. The conventional therapy using cornerstone drugs such as fludarabine, cisplatin etoposide, and paclitaxel has its own challenges especially not being able to discriminate between tumour versus normal cells which eventually led to toxicity and side effects in the patients. In contrast to the conventional approach, nanoparticle-based drug delivery provides target-specific delivery and controlled release of the drug, which provides a better therapeutic window for treatment options by focusing on the eradication of diseased cells via active targeting and sparing normal cells via passive targeting. Additionally, treatment of tumours associated with the brain is hampered by the impermeability of the blood-brain barriers to the drugs, which eventually led to poor survival in the patients. Nanoparticle-based therapy offers superior delivery of drugs to the target by breaching the blood-brain barriers. Herein, we provide an overview of the properties of nanoparticles that are crucial for nanotechnology applications. We address the potential future applications of nanobiotechnology targeting specific or desired areas. In particular, the use of nanomaterials, biostructures, and drug delivery methods for the targeted treatment of tumours and cancer are explored.
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Affiliation(s)
- Ambikesh Soni
- School of Nanotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
| | | | - Gagan Kant Tripathi
- School of Nanotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
| | - Priyavand Bundela
- School of Nanotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
| | | | - Purnima Swarup Khare
- School of Nanotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
| | - Manoj Kumar Kashyap
- Amity Stem Cell Institute, Amity Medical School, Amity University Haryana, Haryana, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, West Bengal, Kolkata, India
| | - Balachandar Vellingiri
- Stem cell and Regenerative Medicine/Translational Research, Department of Zoology, School of Basic Sciences, Central University of Punjab, Maulana Azad National Institute of Technology, Bathinda, India
| | - Suresh Sundaramurthy
- Department of Chemical Engineering, Maulana Azad National Institute of Technology, Madhya Pradesh, Bhopal, India
| | - Arisutha Suresh
- Department of Energy, Maulana Azad National Institute of Technology & M/s Eco Science & Technology, Madhya Pradesh, Bhopal, India
| | - José M Pérez de la Lastra
- Biotecnología de macromoléculas, Instituto de Productos Naturales y Agrobiología, (IPNA-CSIC), San Cristóbal de la Laguna, Spain
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46
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Senger C, Fan X, Pagaduan JN, Zhang X, Ping J, Katsumata R. Defect Healing in Graphene via Rapid Thermal Annealing with Polymeric "Nanobandage". SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206295. [PMID: 36549897 DOI: 10.1002/smll.202206295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Overcoming throughput challenges in current graphene defect healing processes, such as conventional thermal annealing, is crucial for realizing post-silicon device fabrication. Herein, a new time- and energy-efficient method for defect healing in graphene is reported, utilizing polymer-assisted rapid thermal annealing (RTA). In this method, a nitrogen-rich, polymeric "nanobandage" is coated directly onto graphene and processed via RTA at 800 °C for 15 s. During this process, the polymer matrix is cleanly degraded, while nitrogen released from the nanobandage can diffuse into graphene, forming nitrogen-doped healed graphene. To study the influence of pre-existing defects on graphene healing, lattice defects are purposefully introduced via electron beam irradiation and investigated by Raman microscopy. X-ray photoelectron spectroscopy reveals successful healing of graphene, observing a maximum doping level of 3 atomic nitrogen % in nanobandage-treated samples from a baseline of 0-1 atomic % in non-nanobandage treated samples. Electrical transport measurements further indicate that the nanobandage treatment recovers the conductivity of scanning electron microscope-treated defective graphene at ≈85%. The reported polymer-assisted RTA defect healing method shows promise for healing other 2D materials with other dopants by simply changing the chemistry of the polymeric nanobandage.
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Affiliation(s)
- Claire Senger
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Xiao Fan
- Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - James Nicolas Pagaduan
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Xiaoyu Zhang
- Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Jinglei Ping
- Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
- Institute of Applied Life Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Reika Katsumata
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, MA, 01003, USA
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47
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Qi P, Zhu H, Borodich F, Peng Q. A Review of the Mechanical Properties of Graphene Aerogel Materials: Experimental Measurements and Computer Simulations. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1800. [PMID: 36902915 PMCID: PMC10004370 DOI: 10.3390/ma16051800] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/01/2023] [Accepted: 02/20/2023] [Indexed: 06/15/2023]
Abstract
Graphene aerogels (GAs) combine the unique properties of two-dimensional graphene with the structural characteristics of microscale porous materials, exhibiting ultralight, ultra-strength, and ultra-tough properties. GAs are a type of promising carbon-based metamaterials suitable for harsh environments in aerospace, military, and energy-related fields. However, there are still some challenges in the application of graphene aerogel (GA) materials, which requires an in-depth understanding of the mechanical properties of GAs and the associated enhancement mechanisms. This review first presents experimental research works related to the mechanical properties of GAs in recent years and identifies the key parameters that dominate the mechanical properties of GAs in different situations. Then, simulation works on the mechanical properties of GAs are reviewed, the deformation mechanisms are discussed, and the advantages and limitations are summarized. Finally, an outlook on the potential directions and main challenges is provided for future studies in the mechanical properties of GA materials.
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Affiliation(s)
- Penghao Qi
- School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
| | - Hanxing Zhu
- School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
| | - Feodor Borodich
- College of Aerospace Engineering, Chongqing University, Chongqing 400044, China
| | - Qing Peng
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
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48
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Dong Y, Wang P, Ren Z, Liu T, Zhen Z, Lu B, Li F, Ji J. Improved Strength and Heat Distortion Temperature of Emi-Aromatic Polyamide 10T-co-1012 (PA10T/1012)/GO Composites via In Situ Polymerization. Molecules 2023; 28:molecules28041960. [PMID: 36838949 PMCID: PMC9967122 DOI: 10.3390/molecules28041960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
In this paper, an effective method for preparing poly (p-phenylene terephthalamide) -co- poly (dodecanedioyl) decylamine (PA10T/1012)/graphene oxide (GO) composites by pre-dispersion and one-step in situ polymerization was proposed for the first time. During the process of polycondensation, the condensation between the terminal amino groups of PA10T/1012 chains and the oxygen-containing functional groups of GO allowed nylon to be grafted onto graphene sheets. The effects of polymer grafting on the thermal and mechanical properties of (PA10T/1012)/GO composites were studied in detail. Due to the interaction between PA10T/1012 grafted graphene sheets and its matrix, GO is well dispersed in the PA10T/1012 matrix and physically entangled with it, forming a cross-linked network structure of polymer bridged graphene, thus obtaining enhanced tensile strength, tensile modulus and impact strength. More importantly, benefiting from the cross-linked network structure, the heat distortion temperature (HDT) of the composite is greatly increased from 77.3 °C to 144.2 °C. This in situ polycondensation method opens a new avenue to prepare polycondensate graphene-based composites with high strength and high heat distortion temperatures.
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Affiliation(s)
- Yanchao Dong
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Pingli Wang
- School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (P.W.); (Z.Z.); (J.J.)
| | - Zhonglai Ren
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Tianyuan Liu
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhichao Zhen
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Correspondence: (P.W.); (Z.Z.); (J.J.)
| | - Bo Lu
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Fei Li
- National Engineering Research Center of Engineering Plastics and Ecological Plastics Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Junhui Ji
- School of Future Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (P.W.); (Z.Z.); (J.J.)
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49
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Bianco F, Corte E, Ditalia Tchernij S, Forneris J, Fabbri F. Engineering Multicolor Radiative Centers in hBN Flakes by Varying the Electron Beam Irradiation Parameters. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:739. [PMID: 36839108 PMCID: PMC9960900 DOI: 10.3390/nano13040739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Recently, hBN has become an interesting platform for quantum optics due to the peculiar defect-related luminescence properties. In this work, multicolor radiative emissions are engineered and tailored by position-controlled low-energy electron irradiation. Varying the irradiation parameters, such as the electron beam energy and/or area dose, we are able to induce light emissions at different wavelengths in the green-red range. In particular, the 10 keV and 20 keV irradiation levels induce the appearance of broad emission in the orange-red range (600-660 nm), while 15 keV gives rise to a sharp emission in the green range (535 nm). The cumulative dose density increase demonstrates the presence of a threshold value. The overcoming of the threshold, which is different for each electron beam energy level, causes the generation of non-radiative recombination pathways.
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Affiliation(s)
- Federica Bianco
- NEST Laboratory, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
| | - Emilio Corte
- Physics Department, University of Torino and Istituto Nazionale di Fisica Nucleare Sez. Torino, Via P. Giuria 11, 10125 Torino, Italy
| | - Sviatoslav Ditalia Tchernij
- Physics Department, University of Torino and Istituto Nazionale di Fisica Nucleare Sez. Torino, Via P. Giuria 11, 10125 Torino, Italy
| | - Jacopo Forneris
- Physics Department, University of Torino and Istituto Nazionale di Fisica Nucleare Sez. Torino, Via P. Giuria 11, 10125 Torino, Italy
| | - Filippo Fabbri
- NEST Laboratory, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
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50
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Kang H, Kim DY, Cho J. Top-Down Fabrication of Luminescent Graphene Quantum Dots Using Self-Assembled Au Nanoparticles. ACS OMEGA 2023; 8:5885-5892. [PMID: 36816670 PMCID: PMC9933239 DOI: 10.1021/acsomega.2c07683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
A new graphene quantum dot (GQD) fabrication method is presented, which employs a lithographic approach based on self-assembled Au nanoparticles formed by solid-state dewetting. The GQDs are formed by the patterned etching of a graphene layer enabled by Au nanoparticles, and their size is controllable through that of the Au nanoparticles. GQDs are fabricated with four different diameters: 12, 14, 16, and 27 nm. The geometrical features and lattice structures of the GQDs are determined using transmission electron microscopy (TEM). Hexagonal lattice fringes in the TEM image and G- and 2D-band Raman scattering evidence the graphitic characteristics of the GQDs. The oxygen content can be controlled by thermal reduction under a hydrogen atmosphere. In GQDs, the absorption peak wavelengths in the ultraviolet range tend to decrease as the size of the GQDs decreases. They also exhibit apparent photoluminescence (PL). The PL peak wavelength is approximately 600 nm and becomes shorter as the size of the GQDs decreases. The blue shift in the optical absorption and PL of the smaller GQDs is attributed to the quantum confinement effect. The proposed GQD fabrication method can provide a way to control the physical and chemical properties of GQDs via their size and oxygen content.
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Affiliation(s)
- Hyunwoong Kang
- School
of Semiconductor and Chemical Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Dong Yeong Kim
- Max
Planck Institute for Solid State Research, Heisenbergstr. 1, 70569 Stuttgart, Germany
| | - Jaehee Cho
- School
of Semiconductor and Chemical Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
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