Carbon and Carbon-Based Composite Thin Films/Coatings: Synthesis, Properties and Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: 30 April 2024 | Viewed by 20495

Special Issue Editors


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Guest Editor
Engels Technological Institute, Yuri Gagarin State Technical University of Saratov, Saratov, Russia
Interests: applied electrochemistry; electrodeposition kinetics; corrosion; surface engineering; non-stationary processes
Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
Interests: carbide-bonded graphene coating; surface treatment and characterization; ultra-precision diamond turning; precision glass molding; micro-optical design and fabrication

Special Issue Information

Dear Colleagues,

The importance of carbon-based coatings continues to draw attention from scientific and industrial communities due to their exceptional mechanical, electrical, and tribological properties. According to different methods, carbon-based coatings can be tailored from superhard, such as in diamond-like carbon (DLC), to soft and lubricant, such as in graphite and carbon nanotubes, by adjusting the sp3/sp2 carbon hybridization ratio, or the doping components, such as hydrogen content. Graphene, a novel 2D material, monatomic layer of carbon atoms composed of sp2 bonded with a honeycomb lattice structure, has fascinated researchers. Some of its overwhelming advantages in terms of physical, such as optical and electrical, and chemical properties further push its boundaries. The combination of adhesion resistance and friction reduction even under extreme conditions makes carbon-based coatings unique. Study of the corrosion behavior of carbon-based coatings is also important. With the recent advances in deposition processes and wide applications, the potential synthesis mechanism as well as the coating structure and properties become a scientific issue. Furthermore, the investigation of interaction between carbon-based coatings with various physical loads, such as mechanical, optical, and electric, and the corresponding deformation mechanism attract attention. Therefore, it is very useful to establish a correlation among them. This is of great practical importance as, due to the combination of unique properties, carbon-based coatings can be used in various industries (chemical, mechanical engineering, electronics, etc.).

This Special Issue is intended to collect current work on the development, characterization, and deformation mechanism of carbon-based coatings. We encourage you to send manuscripts containing scientific findings and significant contributions for the promotion of carbon-based coatings.

In particular, the topic of interest includes but is not limited to:

  • Techniques to deposit carbon-based coatings;
  • Characterization of carbon-based coatings;
  • Optical, electrical, and mechanical properties of carbon-based coatings;
  • Deformation mechanism of carbon-based coating under extreme conditions;
  • Variation of optical, electrical, mechanical properties under different conditions;
  • Determination of the carbon-based coating adhesion strength;
  • Corrosion behavior of carbon-based coatings;
  • Modeling and simulation of optical, electrical, mechanical behavior;
  • Applications of carbon-based coatings.

Dr. Vitaly Tseluikin
Dr. Lin Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (12 papers)

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Editorial

Jump to: Research, Review

3 pages, 181 KiB  
Editorial
Carbon and Carbon-Based Composite Thin Films/Coatings: Synthesis, Properties and Applications
by Vitaly Tseluikin and Lin Zhang
Coatings 2022, 12(7), 907; https://doi.org/10.3390/coatings12070907 - 27 Jun 2022
Cited by 4 | Viewed by 1332
Abstract
The production of composite thin films/coatings with desired properties is currently an important scientific and technical area [...] Full article

Research

Jump to: Editorial, Review

10 pages, 3458 KiB  
Communication
The Influence of Site of Co and Holes in PCD Substrate on Adhesive Strength of Diamond Coating with PCD Substrate
by Cen Hao and Guoliang Liu
Coatings 2024, 14(1), 1; https://doi.org/10.3390/coatings14010001 - 19 Dec 2023
Viewed by 705
Abstract
Polycrystalline diamond (PCD) prepared by the high temperature and pressure method often uses Co as a binder, which had a detrimental effect on the cutting performance of PCD, thus Co needed to be removed. However, the removal of Co would cause residual holes [...] Read more.
Polycrystalline diamond (PCD) prepared by the high temperature and pressure method often uses Co as a binder, which had a detrimental effect on the cutting performance of PCD, thus Co needed to be removed. However, the removal of Co would cause residual holes and also make the cutting performance of PCD poorer. To address this issue, hot filament chemical vapor deposition (HFCVD) was used. During deposition, the residual holes cannot be filled fully, and Co would diffuse to the interface between CVD diamond coatings and the PCD substrate, which influenced the adhesive strength of the diamond coating with the PCD substrate. In order to investigate the influencing mechanism, both experiments and the density functional theory (DFT) calculations have been employed. The experimental results demonstrate that Co and the holes in the interface would reduce the interfacial binding strength. Further, we built interfacial structures consisting of diamond (100), (110), (111) surfaces and PCD to calculate the corresponding interfacial binding energy, charge density and charge density difference. After contrast, for Co and the holes located on the (110) surface, the corresponding interfacial binding energy was bigger than the others. This means that the corresponding C-C covalent bond was stronger, and the interfacial binding strength was higher. Based on this, conducting cobalt removal pretreatment, optimizing the PCD synthetic process and designing the site of Co can improve the performance of the PCD substrate CVD diamond coating tools. Full article
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0 pages, 3449 KiB  
Article
Suppression of Secondary Electron Emissions on the Graphene-Coated Polyimide Materials Prepared by Chemical Vapor Deposition
by Xin Qi, Yanzhao Ma, Sisheng Liu, Xiangyu Nie, Tao Zhang, Yong Wu, Weiping Peng and Guoming Hu
Coatings 2023, 13(10), 1805; https://doi.org/10.3390/coatings13101805 - 20 Oct 2023
Cited by 3 | Viewed by 1116
Abstract
Polyimide thin-film materials are widely used in aerospace and particle gas pedals, etc., but the phenomenon of secondary electron emission occurred under vacuum conditions. The graphene-coated polyimide materials were prepared for this phenomenon to suppress secondary electron emissions. The graphene coating was prepared [...] Read more.
Polyimide thin-film materials are widely used in aerospace and particle gas pedals, etc., but the phenomenon of secondary electron emission occurred under vacuum conditions. The graphene-coated polyimide materials were prepared for this phenomenon to suppress secondary electron emissions. The graphene coating was prepared on the polyimide surface through chemical vapor deposition (CVD). Scanning electron microscope images (SEM), X-ray photoelectron spectrometer images (XPS), Raman spectroscopy, atomic force microscopy (AFM), and other analytical methods were used to characterize the properties of the prepared materials. The C1s XPS fine spectra and Raman curve analyses showed that the material has an abundant sp2 hybridized structure, and the sp2 structure can reduce secondary electron emissions. The C, O, and N contents in the tested samples were 65.85, 20.47, and 13.68 at.%, respectively. It was examined that the graphene coating had an inhibitory effect on the secondary electron emissions of polyimide materials, and the secondary electron emission yield (SEY) was significantly reduced. The results of secondary electron tests showed that the maximum SEY (δmax) of the polyimide material decreased from 1.72 to 1.52 after the preparation of the graphene coating. The mechanism of using a graphene coating to reduce the SEY of polyimide was analyzed from experimental and theoretical perspectives. The results of this study can provide research ideas for polyimide thin film materials in aerospace, particle gas pedals, and other applications. Full article
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13 pages, 3529 KiB  
Article
Adhesion Strength of Al, Cr, In, Mo, and W Metal Coatings Deposited on a Silicon–Carbon Film
by Natalia Igorevna Cherkashina, Vyacheslav Ivanovich Pavlenko, Sergey Viktorovich Zaitsev, Andrey Ivanovich Gorodov, Semen Nikolayevich Domarev, Roman Vladimirovich Sidelnikov and Dmitry Sergeevich Romanyuk
Coatings 2023, 13(8), 1353; https://doi.org/10.3390/coatings13081353 - 02 Aug 2023
Cited by 1 | Viewed by 783
Abstract
For the first time, the possibility of creating a multilayer system metal (Al, Cr, In, Mo, and W) silicon–carbon coating was studied. A silicon–carbon film was synthesized from a polyorganosiloxane polymer containing an active Si–O siloxane group. Due to the use of furnace [...] Read more.
For the first time, the possibility of creating a multilayer system metal (Al, Cr, In, Mo, and W) silicon–carbon coating was studied. A silicon–carbon film was synthesized from a polyorganosiloxane polymer containing an active Si–O siloxane group. Due to the use of furnace pyrolysis, in which the purge gas continuously removes the polymer thermal degradation products from the system, it was possible to reduce the film formation temperature to 300 °C. According to the energy dispersive analysis data, silicon–carbon film has the following composition: C—34.85 wt%, O—42.02 wt%, and Si—23.13 wt%. Metallic coatings of Al, Cr, In, Mo, and W on a silicon–carbon substrate were obtained by vacuum magnetron sputtering. The metallic coatings were evaluated by SEM as well as by X-ray phase analysis. The adhesion strength of metallic coatings to the silicon–carbon substrate was assessed by scratching under continuously increasing load with a Rockwell C Diamond Indenter. At the same time, the friction coefficient was recorded at the corresponding value of load on the indenter. The adhesive strength of metals with the silicon–carbon substrate increases in the sequence W, Mo, In, Al, and Cr. Full article
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14 pages, 4634 KiB  
Article
Influence of KHCO3 Activation on Characteristics of Biomass-Derived Carbons for Supercapacitor
by Yudan Yuan, Yi Sun, Chenguang Liu, Li Yang and Cezhou Zhao
Coatings 2023, 13(7), 1236; https://doi.org/10.3390/coatings13071236 - 11 Jul 2023
Cited by 3 | Viewed by 1136
Abstract
Biomass materials with representative morphologies and compositions were employed to study the activation effect of KHCO3. As the activation time increased from 1 to 3 h, the products derived from puffed rice and pleurotus eryngii achieved a hierarchical porous structure, while [...] Read more.
Biomass materials with representative morphologies and compositions were employed to study the activation effect of KHCO3. As the activation time increased from 1 to 3 h, the products derived from puffed rice and pleurotus eryngii achieved a hierarchical porous structure, while the products derived from cotton still presented a microporous structure. In the electrochemical test of a three-electrode system, the specific capacitance of these products was 352, 319, and 216 F g−1, respectively. In the two-electrode system, the PR-2-based symmetric supercapacitor presented with a specific capacitance of 280.7 F g−1 at 0.5 A g−1, and the energy density of 14.03 Wh kg−1 at 150.04 W kg−1 and an energy density retention of 73.7% was at an even higher power density of 8380.4 W kg−1. After 10,000 cycles of charging and discharging at 5 A g−1, the specific capacitance retention of the supercapacitor reached 108.8%. Based on the experimental analysis, a likely mechanism for the formation of pores was proposed. The results indicate that biomass materials with soft layered or a network structure are the best candidates to obtain a hierarchical porous structure by KHCO3 activation. Full article
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13 pages, 1905 KiB  
Article
Structural and Mechanical Properties of DLC/TiN Coatings on Carbide for Wood-Cutting Applications
by Vadzim Chayeuski, Valery Zhylinski, Victor Kazachenko, Aleksandr Tarasevich and Abdelhafed Taleb
Coatings 2023, 13(7), 1192; https://doi.org/10.3390/coatings13071192 - 02 Jul 2023
Cited by 2 | Viewed by 1342
Abstract
In this work, the diamond-like carbon and titanium nitride (DLC/TiN) multilayer coatings were prepared on a cemented tungsten carbide substrate (WC—3 wt.% Co) using the cathodic vacuum arc physical vapor deposition (Arc-PVD) method and pulsed Arc-PVD method with a graphite cathode for the [...] Read more.
In this work, the diamond-like carbon and titanium nitride (DLC/TiN) multilayer coatings were prepared on a cemented tungsten carbide substrate (WC—3 wt.% Co) using the cathodic vacuum arc physical vapor deposition (Arc-PVD) method and pulsed Arc-PVD method with a graphite cathode for the deposition of TiN and carbon layers, respectively. The structural and mechanical properties of the prepared coatings were studied, and different techniques, such as scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Raman spectroscopy, and microindentation techniques investigated their microstructure, composition, and phases. The prepared coatings had a multilayer structure with distinct phases of DLC, TiN, and carbide substrate. The potentiodynamic polarization method (PDP) was performed for the DLC/TiN multilayer coatings in 3% NaCl solution to evaluate the corrosion resistance of the prepared coatings. It has been shown that the DLC layer provided the coating with a polarization resistance of 564.46 kΩ. Moreover, it has been demonstrated that the DLC/TiN coatings had a high hardness of 38.7–40.4 GPa, which can help to extend the wood-cutting tools’ life. Full article
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10 pages, 2286 KiB  
Article
Study of Electrodeposition and Properties of Composite Nickel Coatings Modified with Ti3C2TX MXene
by Vitaly Tseluikin, Asel Dzhumieva, Alena Tribis, Denis Tikhonov, Alexey Tsyganov, Nikolay Gorshkov and Marina Lopukhova
Coatings 2023, 13(6), 1042; https://doi.org/10.3390/coatings13061042 - 04 Jun 2023
Cited by 3 | Viewed by 1484
Abstract
In this work we have synthesized Ti3C2TX MXene powder and studied its structure. Composite electrochemical coatings (CECs) of Ni-Ti3C2TX MXene were obtained from a sulfate– chloride bath in the galvanostatic regime. The microstructure [...] Read more.
In this work we have synthesized Ti3C2TX MXene powder and studied its structure. Composite electrochemical coatings (CECs) of Ni-Ti3C2TX MXene were obtained from a sulfate– chloride bath in the galvanostatic regime. The microstructure of CEC was researched using X-ray phase analysis and scanning electron microscopy methods. It has been established that a Ni–Ti3C2TX MXene CEC microhardness rises by about 1.80 times compared with electrolytic Ni without a dispersed phase. For corrosion research, different corrosive media is applied. The corrosion–electrochemical behavior of Ni–Ti3C2TX MXene CECs by the chronovoltamperometry method in 0.5 M H2SO4 solution has been investigated. Trials in 3.5% NaCl have shown that Ti3C2TX MXene inclusion into the matrix of the electrochemical Ni results in a decrease in the corrosion rate by 1.60–1.75 times. These effects are due to the addition of Ti3C2TX MXene into the nickel matrix and the formation of CECs with a strengthening fine-grained structure. Full article
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13 pages, 3547 KiB  
Article
Composite High-k Films Based on Polyethylene Filled with Electric Arc Furnace Dust and MWCNT with Permittivity Synergetic Effect
by Igor Burmistrov, Nikolay Kiselev, Timur Khaydarov, Bekzod Khaydarov, Evgeny Kolesnikov, Vasily Ovchinnikov, Elena Volnyanko, Marina Suyasova, Maria Vikulova, Nikolay Gorshkov, Denis Kuznetsov and Peter O. Offor
Coatings 2023, 13(4), 672; https://doi.org/10.3390/coatings13040672 - 25 Mar 2023
Viewed by 1276
Abstract
The production of three-phase composites is a relevant and effective approach to obtain materials with the required mechanical and dielectric properties. In this work, dust, which is a waste product of steelmaking and is formed during the gas cleaning of electric arc furnaces [...] Read more.
The production of three-phase composites is a relevant and effective approach to obtain materials with the required mechanical and dielectric properties. In this work, dust, which is a waste product of steelmaking and is formed during the gas cleaning of electric arc furnaces at the production base of Severstal, was used as a functional filler for the low-density polyethylene polymer matrix. The fractional, elemental, qualitative, and quantitative phase composition of the native dust was studied using laser diffraction, energy-dispersive X-ray phase analysis, and X-ray fluorescence spectrometry. An increase in the permittivity of the dust was achieved due to its reduction in a hydrogen atmosphere and, as a consequence, a change in the elemental and phase composition causing an increase in the concentration of metallic iron. Composite films were obtained using a blending roll mill at temperatures of 130 and 140 °C. The concentration of the main filler was 18.75, 37.5, and 75 wt.%. Additionally, a conductive additive in the form of MWCNTs was introduced into the composition of the composites in an amount of 0.25 wt.%. The uniformity of the filler distribution in the polymer matrix was assessed from electron micrographs. The dielectric properties of fillers and composite films based on polyethylene filled with electric arc furnace dust and MWCNTs were studied using impedance spectroscopy in the frequency range of 10–106 Hz. The use of reduced dust at a concentration of 25.8 vol.% combined with 0.25 wt.% MWCNTs in the composition of the composite film provided an increase in ε′ to 13.5 at tan δ = 0.038. Thus, three-phase polymer matrix composites based on LDPE using dust as a filler with a conductive microadditive of MWCNTs have a synergistic effect, which manifests itself in an increase in the permittivity and a decrease in dielectric losses. Full article
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11 pages, 3171 KiB  
Article
Flexible Free-Standing Graphene-Fe2O3 Hybrid Paper with Enhanced Electrochemical Performance for Rechargeable Lithium-Ion Batteries
by Chuanning Yang, Wangchuan Xiao, Shizhao Ren and Qiyong Li
Coatings 2022, 12(11), 1726; https://doi.org/10.3390/coatings12111726 - 11 Nov 2022
Cited by 1 | Viewed by 974
Abstract
The cyclic performance of flexible free-standing graphene-Fe2O3 hybrid sheet is considerably improved and was fabricated by a novel one-step hydrothermal process. The X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermogravimetric (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and [...] Read more.
The cyclic performance of flexible free-standing graphene-Fe2O3 hybrid sheet is considerably improved and was fabricated by a novel one-step hydrothermal process. The X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermogravimetric (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical workstation are performed to characterize the microstructure and electrochemical performance of the graphene-Fe2O3 hybrid sheet. At a current density of 200 mA·g−1, the obtained product has a high initial discharge capacity of 1466 mAh·g−1. The nanohybrids also exhibited a considerably high reversible capacity of 765 mAh·g−1 and high Coulombic efficiency of 99.8% after 100 cycles, which benefited from the open 3D laminated nanostructure constructed by layered graphene paper and Fe2O3 nanoparticles. Therefore, the composite has excellent rate performance and stability and can be greatly extended as the anode material of lithium-ion batteries. Full article
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12 pages, 4155 KiB  
Article
The Microwave Facile Synthesis of NiOx@graphene Nanocomposites for Application in Supercapacitors: Insights into the Formation and Storage Mechanisms
by Yue Liang, Zhen Wei, Ruigang Wang and Xinyu Zhang
Coatings 2022, 12(8), 1060; https://doi.org/10.3390/coatings12081060 - 27 Jul 2022
Cited by 4 | Viewed by 1434
Abstract
Recently, the strategy of combining carbon-based materials with metal oxides to enhance the electrochemical performance of electrodes has been a topic of great interest, but research focusing on the growth and charge storage mechanisms of such hybrid electrodes has rarely been conducted. In [...] Read more.
Recently, the strategy of combining carbon-based materials with metal oxides to enhance the electrochemical performance of electrodes has been a topic of great interest, but research focusing on the growth and charge storage mechanisms of such hybrid electrodes has rarely been conducted. In this work, a simple, reproducible, low-cost, and fast microwave heating method was used to synthesize NiOx@graphene nanocomposites. NiOx@graphene nanocomposites were used as a model system for exploring the growth and charge storage mechanisms of the hybrid electrode materials due to their simple preparation process, good stability, low cost, and high specific capacitance. The effects of reaction conditions (the type of metal precursor and feeding ratio between the nickel precursor and graphene) on the formation mechanism of the electrodes were examined, and it was demonstrated that the microstructure and morphology of the electrode materials were metal precursor-dependent, which was directly related to the electrochemical performance of the electrodes. Our work provides a new affordable approach to the synthesis of, and experimental support for designing, hybrid electrode architectures with a high electrochemical performance for next-generation energy storage devices. Full article
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8 pages, 1676 KiB  
Article
Pulsed Electrodeposition and Properties of Nickel-Based Composite Coatings Modified with Graphene Oxide
by Vitaly Tseluikin, Asel Dzhumieva, Denis Tikhonov, Andrey Yakovlev, Anastasia Strilets, Alena Tribis and Marina Lopukhova
Coatings 2022, 12(5), 656; https://doi.org/10.3390/coatings12050656 - 11 May 2022
Cited by 9 | Viewed by 2108
Abstract
Composite electrochemical coatings (CECs) on the basis of nickel modified with multilayer graphene oxide (GO) were deposited from a sulfate–chloride electrolyte in pulsed electrolysis mode. The microstructure of these CECs was studied by X-ray phase analysis and scanning electron microscopy. It was found [...] Read more.
Composite electrochemical coatings (CECs) on the basis of nickel modified with multilayer graphene oxide (GO) were deposited from a sulfate–chloride electrolyte in pulsed electrolysis mode. The microstructure of these CECs was studied by X-ray phase analysis and scanning electron microscopy. It was found that the microhardness of nickel–GO CECs increases by approximately 1.40 times compared to pure nickel. The corrosion–electrochemical behavior of nickel–GO composite coatings in 0.5 M H2SO4 was studied. Based on tests in 3.5% NaCl, it was found that the addition of graphene oxide particles into the matrix of nickel electrodeposits, increases their corrosion resistance by 1.40–1.50 times. This can be explained by the uniformity of the distribution of GO in the nickel matrix, which contributes to the reduction in grain size, as well as the impermeability and stability of graphene oxide. Full article
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Review

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30 pages, 22476 KiB  
Review
Modification Methods of Diamond like Carbon Coating and the Performance in Machining Applications: A Review
by Lijun Wang, Yan Liu, Hui Chen and Mengchao Wang
Coatings 2022, 12(2), 224; https://doi.org/10.3390/coatings12020224 - 09 Feb 2022
Cited by 25 | Viewed by 5476
Abstract
The ideal cutting-tool coating material is characterized by unique chemical and physical properties to achieve excellent cutting performance, a good thermal barrier effect, and a high-quality machined surface. Diamond-like carbon (DLC) coating, as a kind of cutting-tool coating material, has been used in [...] Read more.
The ideal cutting-tool coating material is characterized by unique chemical and physical properties to achieve excellent cutting performance, a good thermal barrier effect, and a high-quality machined surface. Diamond-like carbon (DLC) coating, as a kind of cutting-tool coating material, has been used in cutting various materials due to its low coefficients of friction and thermal expansion, high hardness, and good chemical inert and thermal conductivity. This article mainly focuses on the modification methods for the DLC coating and their application in machining different materials. Firstly, the methods employed to improve the mechanical properties of DLC coating are reviewed and analyzed, including the multilayer structure design, transition layer, and doping other elements. Secondly, the machining performances of DLC-coated tools in the application of different materials are summarized. This review provides knowledge of modification mechanisms regarding DLC coating and its effects on mechanical properties. For machining different materials, it provides a reference to make a suitable selection and design of DLC coating to obtain better machining performance. Full article
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