Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
4.7
3.4
Journals
Coatings
Special Issues
Electrochromic Thin Films and Devices
share announcement

Electrochromic Thin Films and Devices

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

Deadline for manuscript submissions: closed (16 July 2020) | Viewed by 13972

Special Issue Editor

Prof. Dr. Tzi-yi Wu

E-Mail Website
Guest Editor
Department of Chemical Engineering and Materials Engineering, National Yunlin University of Science and Technology, Yunlin 64002, Taiwan
Interests: electrochromic polymers; light-emitting diodes; solar cell; fuel cell; functional polymers and materials for optoelectronic devices
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The potential use of functional thin film materials for optoelectronic devices has been investigated intensely over the past few decades. Thin film materials play important roles in the development of several areas, such as microelectronics, manufacture of integrated circuits, coatings, photonic, and magnetic devices.

This Special Issue contains several topics with regard to the preparations, electronic and photo-physical characterizations, and applications of functional thin film materials in device technologies. In addition, feature articles and review papers about the progress of coating materials in particular fields are also welcomed.

In particular, the topics of interest include, but are not limited to:

  • Thin film for energy materials;
  • Thin film for energy devices;
  • Optical and electrochemical characterizations of thin film;
  • Applications of thin films;
  • Optical coatings;
  • Novel coating materials.

Prof. Dr. Tzi Yi Wu
Guest Editor

Manuscript Submission Information

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

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. 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 (4 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

10 pages, 3514 KiB  
Article
An Optical Fiber Fabry–Perot Pressure Sensor with Optimized Thin Microbubble Film Shaping for Sensitivity Enhancement
by Shubin Zhang, Zhenjun Shao, Jinrong Liu, Meixue Zong, Jian Shen, Haitao Gao, Guanjun Wang and Mengxing Huang
Coatings 2020, 10(4), 358; https://doi.org/10.3390/coatings10040358 - 05 Apr 2020
Cited by 10 | Viewed by 2620
Abstract
A pressure-assisted arc discharge method of preparing silicon microbubbles with a glass tube was utilized for decreasing the bubble film’s thickness and improving the bubble’s uniformity. By controlling the arc discharge intensity, discharge time and the position of the fiber carefully, the thickness [...] Read more.
A pressure-assisted arc discharge method of preparing silicon microbubbles with a glass tube was utilized for decreasing the bubble film’s thickness and improving the bubble’s uniformity. By controlling the arc discharge intensity, discharge time and the position of the fiber carefully, the thickness of the microbubble film was reduced to the micrometer scale. Later, the thin film of the microbubble was transferred to the end the single-mode-fiber/glass-tube structure, for forming the FP (Fabry–Perot) interference cavity. As the thin film is sensitive to the outer pressure, such a configuration could be used for a high-sensitive-pressure measurement. Experimental results show that the sensitivity of this FP (Fabry–Perot) cavity was 6790 pm/MPa when the outer pressure ranges from 100 to 1600 kPa, and the relationship between the structural parameters of the thin film and the outer pressure was theoretically analyzed. Moreover, this special structure made of the end silicon film microbubble is more suitable for high-sensitivity applications. Full article
(This article belongs to the Special Issue Electrochromic Thin Films and Devices)
►▼ Show Figures

Figure 1

10 pages, 3923 KiB  
Article
An Optimized PDMS Thin Film Immersed Fabry-Perot Fiber Optic Pressure Sensor for Sensitivity Enhancement
by Cheng Luo, Xiangnan Liu, Jinrong Liu, Jian Shen, Hui Li, Shubin Zhang, Jiabin Hu, Qi Zhang, Guanjun Wang and Mengxing Huang
Coatings 2019, 9(5), 290; https://doi.org/10.3390/coatings9050290 - 28 Apr 2019
Cited by 26 | Viewed by 4027
Abstract
To effectively control the critical thickness of a polydimethylsiloxane (PDMS) film and enhance the sensitivity characteristics of the fiber pressure sensor, we propose a new method to optimize the thickness of the PDMS film in a fiber tube. It is characterized by analyzing [...] Read more.
To effectively control the critical thickness of a polydimethylsiloxane (PDMS) film and enhance the sensitivity characteristics of the fiber pressure sensor, we propose a new method to optimize the thickness of the PDMS film in a fiber tube. It is characterized by analyzing the relationship between the diffusion rate of the PDMS and its viscosity, and using an oven to solidify the PDMS to a certain extent to accurately control the diffusion rate and diffusion length of the PDMS in the fiber tube. We also used multiple transfer methods to control the volume of the PDMS in the fiber tube to minimize the thickness of the formed PDMS film. Fabry-Perot interference occurs when the surface of the PDMS film layer filled into the fiber tube and the adjacent single mode fiber/fiber tube form a joint surface. This method forms a new fiber-optic Fabry-Perot pressure sensor that is very sensitive to external pressure parameters. The experimental results show that the optimized film thickness will be reduced to an order of 20 μm. Correspondingly, the fiber-optic pressure sensor has a sensitivity of up to 100 pm/kPa, which is about 100 times that reported in the literature. The structure also has better resistance to temperature interference. To our knowledge, this is the first in-depth study of the effects of the PDMS viscosity coefficient, diffusion rate, and fiber pressure sensitivity in fiber. The film thickness optimization method has some advantages, including a low cost, good controllability, and good application value in high sensitivity pressure and sound wave detection. Full article
(This article belongs to the Special Issue Electrochromic Thin Films and Devices)
►▼ Show Figures

Figure 1

9 pages, 4714 KiB  
Article
Electrochromic Properties of Lithium-Doped Tungsten Oxide Prepared by Electron Beam Evaporation
by Jui-Yang Chang, Ying-Chung Chen, Chih-Ming Wang, Wen-Nan Wang, Chih-Yu Wen and Jyun-Min Lin
Coatings 2019, 9(3), 191; https://doi.org/10.3390/coatings9030191 - 14 Mar 2019
Cited by 10 | Viewed by 3518
Abstract
In this study, xLi2O-(1−x)WO3 powders were mixed with WO3 and Li2O and pressed into target pellets to fabricate electrochromic films on indium tin oxide (ITO) glasses prepared by electron beam evaporation under the parameters [...] Read more.
In this study, xLi2O-(1−x)WO3 powders were mixed with WO3 and Li2O and pressed into target pellets to fabricate electrochromic films on indium tin oxide (ITO) glasses prepared by electron beam evaporation under the parameters of room temperature, and thicknesses of about 530 nm. It was expected that the amount of charge stored in the electrochromic devices (ECDs) could be enhanced by using the doping method in the cathode materials. The experimental results show that as the composition of Li0.18W0.82O2.6 powder was formed, the optimal characteristics of ECD can be obtained. In which, as a voltage of 3.5 V was applied on ECD, a transmittance change (ΔT%) of 53.1%, an optical density (ΔOD) of 0.502, an intercalation charge (Q) of 12.9 mC/cm2 and a coloration efficiency (η) of 41.6 cm2/C at a wavelength of 550 nm can be achieved. These results demonstrate that Li2O doping in WO3 films could effectively improve the coloration and electrochromic properties of ECD devices. Full article
(This article belongs to the Special Issue Electrochromic Thin Films and Devices)
►▼ Show Figures

Figure 1

9 pages, 3368 KiB  
Article
The Properties of Zn-Doped AlSb Thin Films Prepared by Pulsed Laser Deposition
by Ping Tang, Weimin Wang, Bing Li, Lianghuan Feng and Guanggen Zeng
Coatings 2019, 9(2), 136; https://doi.org/10.3390/coatings9020136 - 20 Feb 2019
Cited by 11 | Viewed by 3180
Abstract
Aluminum antimony (AlSb) is a promising photovoltaic material with a band gap of about 1.62 eV. However, AlSb is highly deliquescent and not stable, which has brought great difficulties to the applications. Based on the above situation, there are two purposes for preparing [...] Read more.
Aluminum antimony (AlSb) is a promising photovoltaic material with a band gap of about 1.62 eV. However, AlSb is highly deliquescent and not stable, which has brought great difficulties to the applications. Based on the above situation, there are two purposes for preparing our Zn-doped AlSb (AlSb:Zn) thin films: One is to make P-type AlSb and the other is to find a way to suppress the deliquescence of AlSb. The AlSb:Zn thin films were prepared on glass substrates at different substrate temperatures by using the pulsed laser deposition (PLD) method. The structural, surface morphological, optical, and electrical properties of AlSb:Zn films were investigated. The crystallization of AlSb:Zn thin films was enhanced and the electrical resistivity decreased as the substrate temperature increased. The scanning electron microscopy (SEM) images indicated that the grain sizes became bigger as the substrate temperatures increased. The Raman vibration mode AlSb:Zn films were located at ~107 and ~142 cm−1 and the intensity of Raman peaks was stronger at higher substrate temperatures. In the experiment, a reduced band gap (1.4 eV) of the AlSb:Zn thin film was observed compared to the undoped AlSb films, which were more suitable for thin-film solar cells. Zn doping could reduce the deliquescent speed of AlSb thin films. The fabricated heterojunction device showed the good rectification behavior, which indicated the PN junction formation. The obvious photovoltaic effect has been observed in an FTO/ZnS/AlSb:Zn/Au device. Full article
(This article belongs to the Special Issue Electrochromic Thin Films and Devices)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-4
Back to TopTop