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Coatings
Special Issues
Selected Papers from IIKII 2019 Conferences
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Selected Papers from IIKII 2019 Conferences

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 19550

Special Issue Editors

Prof. Dr. Teen­-Hang Meen

E-Mail Website
Guest Editor
Department of Electronic Engineering National Formosa University, Yunlin 632, Taiwan
Interests: IOT devices; photovoltaic devices; STEM education
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Wenbing Zhao

E-Mail Website
Guest Editor
Department of Electrical Engineering and Computer Science, Cleveland State University, Cleveland, OH 44115, USA
Interests: human-centered systems; machine learning; data science; distributed computing; blockchain
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Cheng-Fu Yang

E-Mail Website
Guest Editor
Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, Taiwan
Interests: electronic ceramics; high-frequency communication materials; applied science
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Scientists from all over the world actively want to discover new, advanced materials and manufacturing technologies in electrical and mechanical engineering. In recent years, applications of material science and manufacturing technologies have been in highly-developed fields, in the areas of semiconductor and electronic device technology, design, manufacturing, physics, and modeling. Many researchers have studied new coating technologies to improve the properties of materials and devices. This is very important to the development of electronic and mechanical devices in the future.

The International Institute of Knowledge Innovation and Invention (IIKII, http://www.iikii.org) is an institute that promotes the exchange of innovations and inventions and establishes a communication platform for international innovations and research. This year, IIKII will cooperate with IEEE Tainan Section Sensors Council to hold IEEE conferences such as IEEE ICIASE 2019 (http://2019.iciase.net), IEEE ECBIOS 2019 (http://2019.ecbios.asia), IEEE ICKII 2019 (http://2019.ickii.org), ICUSA-GAME 2019 (http://www.icusa2019.org), and IEEE ECICE 2019 (http://2019.ecice.asia). This Special Issue entitled "Selected Papers from IIKII 2019 Conferences" aims to select excellent papers from IIKII 2019 conferences, including the application of coating technologies on thin and thick films; processes for coating deposition and modification; coating on fundamental and advanced materials for electrical and mechanical engineering; their synthesis and engineering; their application on optical sensors, magnetic, acoustic, and thermal transduction; an evaluation of various performances; and an exploration of their broad applications in industry. We invite investigators to contribute original research articles, as well as review articles, to this Special Issue.

Potential topics include but are not limited to the following:

  • Application of coating technologies on thin and thick films;
  • Processes for coating deposition and modification;
  • Characterization techniques;
  • Functional, protective, and decorative coatings;
  • Dyes, pigments, and their intermediates;
  • Wear, corrosion, and erosion;
  • Coatings for high temperature;
  • Film materials for packaging;
  • Applied surface science;
  • Adsorption, adhesion, and functionalization;
  • Fundamental and functional properties of surface and interfaces;
  • Theoretical and computational modeling of surfaces and interfaces;
  • High surface area systems: colloids, nanoparticles, and large interfaces.

Schedule
Manuscript Due: December 31, 2019
First Round of Reviews: January 31, 2020
Second Round of Reviews: February 29, 2020
Acceptance of Final papers and Publication: March 31, 2020

Prof. Dr. Teen­-Hang Meen
Prof. Dr. Wenbing Zhao
Prof. Dr. Cheng-Fu Yang
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.

Keywords

  • New coating technologies for thin and thick films
  • Processes for coating deposition and modification
  • Characterization techniques
  • Film materials for packaging
  • Applied surface science
  • Fundamental and functional properties of surface and interfaces.

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Published Papers (6 papers)

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Research

11 pages, 5898 KiB  
Article
Fabrications of Hetero-Junction Schottky Diodes by Electrodeposition of Nano-Structured CuInSe2 Materials Using Different Upper Electrodes
by Jing Liu, Kuo-Wei Liu, Mau-Phon Houng and Cheng-Fu Yang
Coatings 2020, 10(3), 266; https://doi.org/10.3390/coatings10030266 - 12 Mar 2020
Cited by 2 | Viewed by 2665
Abstract
In this study, CuInSe2 (CIS) films (CIS-TFs) and nanorods (CIS-NRs) were successfully deposited on Mo/glass and p+-silicon (p+-Si) using an electrodeposition method. Anodic aluminum oxide (AAO) was used as the template when the CIS-NRs were deposited. Pt, indium [...] Read more.
In this study, CuInSe2 (CIS) films (CIS-TFs) and nanorods (CIS-NRs) were successfully deposited on Mo/glass and p+-silicon (p+-Si) using an electrodeposition method. Anodic aluminum oxide (AAO) was used as the template when the CIS-NRs were deposited. Pt, indium tin oxide (ITO), and Ag were deposited as the upper electrodes using a sputtering method to form the hetero-junction devices of Pt/CIS-NRs/p+-Si, ITO/CIS-NRs/p+-Si, ITO/CIS-TF/Mo/glass, and Ag/CIS-NRs/p+-Si, respectively. When p+-Si was used as the substrate, Al was deposited on p+-Si to form negative electrodes for the devices of Pt/CIS-NRs/p+-Si, ITO/CIS-NRs/p+-Si, and Ag/CIS-NRs/p+-Si. The current–voltage properties of all the hetero-junction devices were measured and we found that the hetero-junction of ITO/CIS-NRs/p+-Si, ITO/CIS-TF/Mo/glass, and Ag/CIS-NRs/p+-Si devices revealed the properties of Schottky diodes but the hetero-junction device of Pt/CIS-NRs/p+-Si device did not. The reason for the cause of the differences between these hetero-junction devices was investigated for this study. Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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13 pages, 1653 KiB  
Article
Thermal Mode Optimization of Combustion Chamber Walls for Power-Plants Using Semitransparent Porous Ceramics
by Vladimir G. Merzlikin, Andrei Bystrov, Vitaly Minashkin, Vladimir N. Marynenko and Fedor Zagumennov
Coatings 2020, 10(3), 252; https://doi.org/10.3390/coatings10030252 - 9 Mar 2020
Cited by 1 | Viewed by 2386
Abstract
The paper examines control and management by thermal mode of the internal surface of heat-insulated combustion chamber walls for green & efficient diesel and gas turbine engines due to the application of opaque or semitransparent thermal barrier materials (coatings). The authors’ model is [...] Read more.
The paper examines control and management by thermal mode of the internal surface of heat-insulated combustion chamber walls for green & efficient diesel and gas turbine engines due to the application of opaque or semitransparent thermal barrier materials (coatings). The authors’ model is devoted to combined radiant heat transfer both inside the heat-insulated combustion chamber and its ceramics walls, which could be scattering and absorbing for penetrating radiant component in the subsurface volume of optically heterogeneous porous material. The influence of thermal conduction, scattering (absorption) and external convective effects on the increase of the internal overheating zone in subsurface layers is simulated under intensive radiation. The unique set of optical, thermal-physical and mechanical properties of structural ceramics, depending on their porosity, were first proposed. The radiation fields of the absorbed energy in the near IR region and the corresponding temperature distributions in the modeled opaque and semitransparent ceramics walls were calculated under a stationary radiant-convective heat load during the active combustion phase at time intervals 0.01…0.1 s (diesel engines) and 10...100 s (turbine ones). In order to control the emission of nitrogen oxides, the authors propose a generation model of NOx, its growth or reduction caused by the management of radiant overheating inside semitransparent heat-insulation in which surface temperature is due to volumetric radiant absorption. It is shown that for semitransparent materials (coatings), the optimal thermal mode is determined first of all by thermal radiant characteristics in near IR at heating small times and it begins to correct at long ones due to the effect of thermal conductivity. This process may be modeled and regulated by the selected microstructural porosity of ceramic heat insulation. Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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8 pages, 2762 KiB  
Article
Electrochromic Properties of Li- Doped NiO Films Prepared by RF Magnetron Sputtering
by Jui-Yang Chang, Ying-Chung Chen, Chih-Ming Wang and You-Wei Chen
Coatings 2020, 10(1), 87; https://doi.org/10.3390/coatings10010087 - 20 Jan 2020
Cited by 17 | Viewed by 3598
Abstract
In this study: various amounts of Li2CO3 powders were mixed into NiO powders to fabricate the Li- added NiO (NiO:Li) targets. The electrochromic films of LiNiO were deposited on ITO glasses at room temperature (R.T.) by RF magnetron sputtering. The [...] Read more.
In this study: various amounts of Li2CO3 powders were mixed into NiO powders to fabricate the Li- added NiO (NiO:Li) targets. The electrochromic films of LiNiO were deposited on ITO glasses at room temperature (R.T.) by RF magnetron sputtering. The thicknesses of electrochromic LiNiO films were kept about 200 nm. The ECD device was constructed with structure of Glass/ITO/ LiNiO /Gel-electrolyte/ITO/Glass. The results indicated that the optimal electrochromic characteristics of Li0.16Ni0.58O thin films could be obtained by 10 wt% Li2CO3 added NiO target. The optimized characteristics of ECDs could be achieved with the intercalation charge (Q) of 11.93 mC/cm2, the optical density (ΔOD) of 0.38, the transmittance change (ΔT) of 44.1%, and the coloring efficiency (η) of 31.8 cm2/C at the wavelength of 550 nm by setting voltage of 3.2V. The results demonstrate that the doping of Li+ ions into NiO films can effectively enhance the characteristics of ECD devices. The reason may due to the increased amount of charge stored in the electrochromic devices (ECDs). Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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11 pages, 4965 KiB  
Article
Dyes Amount and Light Scattering Influence on the Photocurrent Enhancement of Titanium Dioxide Hierarchically Structured Photoanodes for Dye-Sensitized Solar Cells
by Wen-Yao Huang and Tung-Li Hsieh
Coatings 2020, 10(1), 13; https://doi.org/10.3390/coatings10010013 - 24 Dec 2019
Cited by 8 | Viewed by 3367
Abstract
In this study, we prepared and analyzed the properties of hill-like hierarchically structured titanium dioxide (TiO2) photoanodes for dye-sensitized solar cells (DSSCs). We expected that the presence of appropriately aggregated TiO2 clusters in the photoanode layer would translate to relatively [...] Read more.
In this study, we prepared and analyzed the properties of hill-like hierarchically structured titanium dioxide (TiO2) photoanodes for dye-sensitized solar cells (DSSCs). We expected that the presence of appropriately aggregated TiO2 clusters in the photoanode layer would translate to relatively strong light scattering and dye loading, increasing the photovoltaic efficiency. A detailed light-harvesting study was performed by employing polyvinyl alcohol (PVA) polymers of different molecular weights as binders for the aggregation of the TiO2 nanoparticles (P-25 Degussa). Hence, we obtained a series of TiO2 films, presenting a variety of morphologies. Their reflection, as well as absorbance of light by the attached dye, the amount of dye loading, and the performance of the fabricated DSSC devices were investigated. Our optimized device, with a relatively high dye loading and good light harvesting ability, was able to enhance the short-circuit current (Jsc) in the DSSCs by 23%. Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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16 pages, 6086 KiB  
Article
High Performance Multilayered Organosilicon/Silicon Oxynitride Water Barrier Structure Consecutively Deposited by Plasma-Enhanced Chemical Vapor Deposition at a Low-Temperature
by Ren-Da Fu, Che Kai Chang, Ming-Yueh Chuang, Tai-Hong Chen, Shao-Kai Lu and Day-Shan Liu
Coatings 2020, 10(1), 11; https://doi.org/10.3390/coatings10010011 - 21 Dec 2019
Cited by 3 | Viewed by 3638
Abstract
In this study, pairs of the organosilicon/silicon oxynitride (SiOxNy) barrier structures with an ultralow water vapor transmittance rate (WVTR) were consecutively prepared by the plasma-enhanced chemical vapor deposition at a low temperature of 70 °C using the tetramethylsilane (TMS) [...] Read more.
In this study, pairs of the organosilicon/silicon oxynitride (SiOxNy) barrier structures with an ultralow water vapor transmittance rate (WVTR) were consecutively prepared by the plasma-enhanced chemical vapor deposition at a low temperature of 70 °C using the tetramethylsilane (TMS) monomer and the TMS-oxygen-ammonia gas mixture, respectively. The thickness of the SiOxNy film in the barrier structure was firstly designed by optimizing its effective permeability. The WVTR was further decreased by inserting an adequate thickness of the organosilicon layer as the stress residing in the barrier structure was released accordingly. By prolonging the diffusion pathway for water vapor permeation, three-paired organosilicon/SiOxNy multilayered barrier structure with a WVTR of about 10−5 g/m2/day was achievable for meeting the requirement of the thin film encapsulation on the organic light emitting diode. Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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14 pages, 2367 KiB  
Article
Investigation on the Deposition of an AlN-ZnO/ZnO/AlN-ZnO Double Heterojunction Structure Using Radio Frequency Magnetron Cosputtering Technology
by Yu-Kai Zheng, Yang-Zheng Zhang, Hsin-Ying Lee, Ching-Ting Lee, Ruei-Hao Huang and Day-Shan Liu
Coatings 2019, 9(9), 544; https://doi.org/10.3390/coatings9090544 - 25 Aug 2019
Cited by 3 | Viewed by 2844
Abstract
A symmetric AlN-ZnO/ZnO/AlN-ZnO double heterojunction structure was consecutively deposited onto silicon substrate using cosputtering technology and then annealed at 700 °C under vacuum ambient for 30 min. The crystalline quality of the ZnO film in the heterojunction structure was significantly improved as verified [...] Read more.
A symmetric AlN-ZnO/ZnO/AlN-ZnO double heterojunction structure was consecutively deposited onto silicon substrate using cosputtering technology and then annealed at 700 °C under vacuum ambient for 30 min. The crystalline quality of the ZnO film in the heterojunction structure was significantly improved as verified by X-ray diffraction (XRD) and photoluminescence (PL) measurements. Improvement on the crystalline structure was ascribed to the stress in the ZnO active film, which was effectively buffered by the underlayered AlN-ZnO layer. Native oxygen vacancies in the ZnO film also were effectively suppressed due to a little diffusion of the Al atoms from the cosputtered AlN-ZnO layer, and led to an increase in the carrier concentration. Such ZnO film deposited onto the homogeneous AlN-ZnO buffer layer emitted an intense near-band-edge emission, and the deep level emission was absent. The ultraviolet emission was further enhanced by covering an AlN-ZnO barrier laye, which was a consequence of the improvement on the carrier confinement. Accordingly, single ultraviolet emission with a quality ZnO crystalline structure, which is very promising for application in short-wavelength optoelectronic devices, was realized from the ZnO film sandwiched by the homogeneity of the cosputtered AlN-ZnO layers. Full article
(This article belongs to the Special Issue Selected Papers from IIKII 2019 Conferences)
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