4.6 Article

Annealing effect on the electrochromic properties of amorphous WO3 films in Mg2+ based electrolytes

Journal

MATERIALS CHEMISTRY AND PHYSICS
Volume 270, Issue -, Pages -

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2021.124745

Keywords

Electrochromic device; WO3; Electron beam evaporation

Funding

  1. National Key Research & Development Program [2016YFB0303903, 2016YFE0201600]
  2. National Natural Science Foundation of China [52002097]
  3. Foundation of Equipment Development Department [6220914010901]

Ask authors/readers for more resources

This study demonstrates that Mg2+ is an efficient EC insertion ion for addressing the issues in EC devices. Annealing affects the properties of WO3 films, with films annealed at 200 degrees Celsius showing the best performance, and the ΔT of the EC device structure is approximately 34.6%.
Electrochromic (EC) devices have many important commercial applications ranging from car rear-view mirrors, e-paper, sunglasses, to architectural smart windows. The corrosiveness of acid and the unsafety of Li+ based electrolyte are the significant issues that restrict the performance and large-scale application of EC devices. The bivalent cation Mg2+ has been proved to be efficient EC insertion ion to solve these issues. In this study, the WO3 films are deposited on ITO glass substrates by electron beam evaporation and the influence of annealing on the structure, morphology and optical properties are studied. The diffusion coefficient of Mg2+ in WO3 films is 10- 11-10- 10 cm2/s, and decreases with increase of annealing temperature. The WO3 films annealed at 200 degrees C shows the lager Delta T and long-term cyclic stability. Meanwhile, the Delta T of EC device with the structure of Glass/ ITO/WO3/MgCl2 liquid Electrolyte/ITO/Glass is approximately 34.6%. These findings provides huge support for the application of Mg2+ based electrolyte in the new generation of EC devices.

Authors

I am an author on this paper
Click your name to claim this paper and add it to your profile.

Reviews

Primary Rating

4.6
Not enough ratings

Secondary Ratings

Novelty
-
Significance
-
Scientific rigor
-
Rate this paper

Recommended

Article Electrochemistry

Preparation of Sn-NiO films and all-solid-state devices with enhanced electrochromic properties by magnetron sputtering method

Yingming Zhao, Xiang Zhang, Xi Chen, Wenjie Li, Lebin Wang, Zitong Li, Jiupeng Zhao, Frank Endres, Yao Li

Summary: In this study, Sn-NiO films with superior electrochromic performance were prepared through a simple one-step magnetron sputtering process. By modifying the microstructure of the NiO film with Sn4+ ions, the grain size was refined, the electrochemically active surface was enlarged, and the diffusion of lithium ions was promoted, thus improving the electrochromic performances of the NiO film. The optimized Sn-NiO film showed outstanding electrochromic performances, including large transmittance modulation, high coloration efficiency, fast switching speed, and good cycling durability.

ELECTROCHIMICA ACTA (2021)

Article Chemistry, Physical

Fabrication and performances of double-sided HfO2 anti-reflection films with ultra-high infrared transmittance

Jinxin Gu, Hang Wei, Feifei Ren, Qingpu Fan, Gaoping Xu, Xi Chen, Shanshan Song, Shuliang Dou, Jiupeng Zhao, Yao Li

Summary: The study fabricated double-sided HfO2 films as anti-reflection coating on Si substrate to enhance the infrared transmittance. The transmittance peak can be regulated by adjusting the thickness of HfO2 film. The samples showed good crystallinity and flat surface, and the HfO2 films demonstrated surface hydrophobic properties.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Article Materials Science, Multidisciplinary

The infrared optical performance of VO2 film prepared by HiPIMS

Shuliang Dou, Weiyan Zhang, Feifei Ren, Jinxin Gu, Hang Wei, Xi Chen, Gaoping Xu, Xiangqiao Yan, Yaohui Zhan, Jiupeng Zhao, Yao Li

Summary: This study utilized HiPIMS to in-situ prepare VO2 thermochromic film with optical performance optimized and thermochromic ability exceeding 55%. The phase transition temperature of VO2 film is lower with a narrow hysteresis loop width, and the emittance difference in the mid-infrared region can be distinctly distinguished as temperature increases.

MATERIALS CHEMISTRY AND PHYSICS (2021)

Article Chemistry, Physical

MgF2 as abundant and environmentally friendly electrolytes for high performance electrochromic devices

Xi Chen, Wenjie Li, Shuliang Dou, Lebin Wang, Yingming Zhao, Xiang Zhang, Yao Li, Jiupeng Zhao

Summary: This study demonstrates the potential use of MgF2 film as an alternative solid electrolyte in solid state ECDs, showing great optical modulation and fast response speeds. The ECD also achieves extreme transmittance values for private settings.

JOURNAL OF MATERIOMICS (2021)

Article Materials Science, Multidisciplinary

All-solid-state electrochromic devices based on the LiAlSiO4 electrolyte

Yingming Zhao, Xiang Zhang, Xi Chen, Wenjie Li, Zitong Li, Mingjun Chen, Wenhai Sun, Jiupeng Zhao, Yao Li

Summary: By utilizing LiAlSiO4 as the electrolyte material, a solid-state electrochromic device with excellent optical performance and stability was successfully prepared. Considering its low cost and abundance of aluminum and silicon, LiAlSiO4 may be recognized as a sustainable electrolyte for future high-performance ECDs.

MATERIALS LETTERS (2021)

Article Energy & Fuels

Long life all-solid-state electrochromic devices by annealing

Wenjie Li, Xiang Zhang, Xi Chen, Yingming Zhao, Wenhai Sun, Yingjun Xiao, Senran Li, Jiupeng Zhao, Yao Li

Summary: Annealing temperature significantly affects the performance of ECDs, with low temperature annealing leading to poor stability and high temperature annealing resulting in better optical modulation. The relationship between annealing temperature and ECDs performance is crucial for practical applications.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

Article Materials Science, Multidisciplinary

NiO films prepared by e-beam evaporation for Mg2+ based electrochromic devices

Xi Chen, Yingming Zhao, Wenjie Li, Lebin Wang, Junying Xue, Xiang Zhang, Yao Li

Summary: In this study, NiO films deposited by e-beam evaporation were investigated. The annealing effect on the structure, morphology, and optical properties of NiO films was studied and it was found that NiO films annealed at room temperature exhibit good cyclic stability and large optical modulation. Additionally, ECDs with a unique structure showed significant optical transmittance modulation and fast response. These findings suggest the potential application of Mg2+-based ECDs.

OPTICAL MATERIALS (2022)

Article Materials Science, Multidisciplinary

High-performance flexible lead-free perovskite solar cells based on tin-halide perovskite films doped by reductant metal halide

Yangyang Wang, Tianhao Li, Xi Chen, Liwen Zhang

Summary: The oxidation of Sn2+ in lead-free perovskite solar cells was effectively suppressed by using a metal halide as a reducing agent, resulting in improved performance. The flexible lead-free perovskite solar cell device showed high efficiency and retained a significant portion of its initial performance after long-term storage.

MATERIALS LETTERS (2022)

Article Materials Science, Multidisciplinary

Electro-optical performance of all solid state electrochromic devices with NaF electrolytes

Xi Chen, Hulin Zhang, Wenjie Li, Yingjun Xiao, Zhen Ge, Yao Li, Xiang Zhang

Summary: This study investigates the application of Na+ based solid state electrolytes in all solid state electrochromic devices, which exhibit fast response and high coloration efficiency. It represents a significant advancement in solid state electrolytes and opens up new avenues for high-performance electrochromic devices.

MATERIALS LETTERS (2022)

Article Materials Science, Multidisciplinary

Wood-derived density-adjustable hierarchical porous carbon frameworks for high-performance lithium-sulfur batteries

Zhen Ge, Xi Chen, Xiaoming Hao, Shun Hu, Jiyang Li, Haoran Lai

Summary: In this study, wood-derived hierarchical porous free-standing carbon framework materials were used as three-dimensional conductive current collectors to assemble high-performance lithium-sulfur batteries. The micron-scale pores of wood promote electrolyte diffusion, while the introduction of nanopores on the carbon skeleton inhibits the dissolution and shuttle effect of lithium polysulfide, enhancing the rate and cycle performance of the batteries. The porous carbon framework, with adjustable density, allows for a specific capacity of 1120 mAh/g and good rate performance. After 500 cycles, the capacity decay is only 0.11%/cycle and 0.08%/cycle at 0.5 C and 1 C, respectively. Additionally, wood is a cost-effective and renewable material, and the batteries can be assembled without conventional conductive agents, binders, and current collectors.

MATERIALS LETTERS (2023)

Article Chemistry, Physical

Insight into the capacity degradation mechanism of LiNi0.5Co0.2Mn0.3O2 caused by rate-dependent kinetic limitations

Jiyang Li, Xi Chen, Xiaoming Hao, Haoran Lai, Zhen Ge, Mengqiang Wu

Summary: The energy and power density of LiNi0.5Co0.2Mn0.3O2 (NCM523) can be improved by enhancing the upper -limit voltage and the charging/discharging rate respectively, but they also lead to severe capacity decay. While the high-voltage capacity fading mechanism of NCM523 has been widely studied, the one affected by the charging/discharging rate remains unclear. This work reveals the long-cycle capacity degradation mechanism of NCM523 caused by rate-dependent kinetic limitations, which can contribute to the design and improvement of high-energy/power-density lithium-ion batteries.

JOURNAL OF ALLOYS AND COMPOUNDS (2023)

Article Green & Sustainable Science & Technology

CaF2: A novel electrolyte for all solid-state electrochromic devices

Xi Chen, Hulin Zhang, Wenjie Li, Yingjun Xiao, Xiang Zhang, Yao Li

Summary: The energy consumption in building ventilation, air, and heating conditioning systems accounts for about 25% of the overall energy consumption in modern society. Electrochromic devices (ECDs) with CaF2 films as Ca2+ electrolyte layer were studied in this research, showing promising potential for large-scale commercial smart windows due to their short switching times and good optical modulation.

ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY (2022)

Article Materials Science, Ceramics

Reflective Property of Inorganic Electrochromic Materials

Zhang Xiang, Li Wenjie, Wang Lebin, Chen Xi, Zhao Jiupeng, Li Yao

Summary: Electrochromic materials can reversibly change their optical properties under low voltages, with a wide range of regulatable spectrum for applications in various fields. Recent research on inorganic electrochromic materials has shifted focus to reflection characteristics, utilizing special preparation and structural design to control reflectance spectra.

JOURNAL OF INORGANIC MATERIALS (2021)

Article Materials Science, Multidisciplinary

A large-area, flexible, high contrast and long-life stable solid-state electrochromic device driven by an anion-assisted method

Lebin Wang, Xiang Zhang, Xi Chen, Xiaobai Li, Yingming Zhao, Wenjie Li, Jiupeng Zhao, Zhiyong Chen, Yao Li

Summary: Electrochromic smart windows regulate indoor solar radiation by adjusting optical transmittance. Tungsten oxide/nickel oxide (WO3/NiO) solid-state devices are likely to be industrialized among all electrochromic devices. By adding 2-8 wt% of H2O to the lithium electrolyte, high charge capacity NiO films can be obtained, improving optical modulation and achieving long-life stability in solid-state electrochromic devices.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

Article Materials Science, Multidisciplinary

Structural and biological analysis of Zn-Cu based biodegradable alloys for orthopedic application

Madeeha Riaz, Manahil Najam, Hina Imtiaz, Farooq Bashir, Tousif Hussain

Summary: This study focuses on the structural and biological analysis of Zn-Cu based biodegradable alloys for orthopedic applications. The results indicate that the alloys have good electrical conductivity and biocompatibility, with potential for promoting bone growth and healing process. Additionally, the alloys exhibit a low corrosion rate and improved corrosion resistance.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Hierarchical porous covalent organic framework-based sensor for the detection of neurodegenerative disorder biomarkers

Rijo Rajeev, Sk Safikul Islam, Anitha Varghese, Gurumurthy Hegde, Suryasarathi Bose

Summary: In this study, a facile and selective electrochemical sensor was developed for the sensing of guanosine. The sensor utilized a unique porous structure and ordered framework, enabling linear detection of guanosine concentration in the range of 0.123-720 μM under specific conditions.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Experimental and theoretical investigation of phytochemical euphol incorporated in ZIF-8 as a drug delivery system for cancer treatment

Rafael V. M. Freire, Dominique Celeste de A. Dias, Jose Yago Rodrigues Silva, Dayane Kelly Dias do Nascimento Santos, Larissa T. Jesus, Ricardo O. Freire, Severino A. Junior

Summary: This study reports the extraction and isolation of euphol from nature, its adsorption in nanosized ZIF-8, and the efficacy of this system against cancer cells. Experimental and simulation results show that ZIF-8 can enhance the effectiveness of euphol against cancer cells and selectively target cancer cells.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

A comprehensive study on the influence of Mg doping on structural, AC conductivity, and dielectric behavior of ZnONPs

Manal A. Awad, Awatif A. Hendi, Maha M. Almoneef, Maymunah Alwehaibi, Khalid M. Ortashi, Wadha Alenazi, Fatimah S. Alfaifi, Shareefa Alahmariye, Asma Alangery, Warda Ali Alghoubiri, Haia Aldosari

Summary: In this study, magnesium-doped zinc oxide nanoparticles were synthesized and characterized. The research findings show that magnesium doping can alter the crystal structure and optical properties of zinc oxide, while enhancing its dielectric constant.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Effects of incorporating manganese in CdS thin films elaborated by CBD and the performance of Schottky diodes TCO/CdS:Mn/C

F. J. Willars-Rodriguez, I. R. Chaverz-Urbiola, M. A. Hernandez-Landaverde, A. Zavala-Franco, E. A. Chavez-Urbiola, P. Vorobiev, Yu V. Vorobiev

Summary: This study focuses on manganese doped CdS thin films synthesized by chemical bath deposition. The incorporation of Mn2+ cations in CdS was found to influence the crystalline structure, morphology, and optoelectronic properties. Doped thin films exhibited a uniform hexagonal structure, changed growth orientation, and showed scale-like and needle-like morphologies. The bandgap and rectification speed of Schottky diodes were modified by introducing manganese. This study suggests the potential for affordable high-speed optoelectronic devices.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

A new perspective on the corrosion of carbon steels in H2SO4 acid environments: Statistical analysis of corrosion mechanisms by response surface modeling

Mehdi Javidi, Hooman Karimi Abadeh, Fatemeh Namazi, Hamid Reza Yazdanpanah, Narjes Shirvani Shiri

Summary: This study investigated the synergistic effect of temperature, solution velocity, and sulphuric acid concentration on the corrosion behavior of carbon steel using response surface methodology. The results showed that temperature affected anodic reactions, solution velocity influenced cathodic reactions, and acid concentration altered the corrosion mechanisms by changing the properties of the surface layer.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Rapid oil-water separation using modified nonwoven viscose fabrics

R. Sakthivel, Thirumoorthy Kulandaivel, Kirankumar Venkatesan Savunthari, K. Mohanraj, Hans-Uwe Dahms, Aswin kumar Anbalagan, Manjunath Rangasamy, Kien-Voon Kong

Summary: In this study, saturated fatty acids were incorporated with silane to modify viscose fabric, resulting in superhydrophobic and superoleophilic properties. The modified fabric showed excellent separation efficiency for oil and organic solvents, with high absorption capacity. The modified fabric also exhibited durability and retained its properties in harsh conditions.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Effect of EDTA-modified alumina composite abrasive on the CMP performance of sapphire substrate

Wei Zhang, Hong Lei, Wenqing Liu, Zefang Zhang, Yi Chen, Xiaogang Hu, Xiangshan Ye

Summary: In this study, EDTA-grafted alumina composite abrasives were produced by a two-step process for the CMP of sapphire substrates. Experimental results showed that the modified abrasives exhibited better dispersion properties and significantly improved polishing efficiency, with higher material removal rates and lower surface roughness. The combination of chemical reaction and mechanical action enhanced the CMP performance.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Development of manganese peroxidase based voltammetric biosensor for detection of textile Azo dyes RR 195 & RB 221

Shumaila Rafaqat, Bushra Perveen, Warda Raqba, Warda Imran, Arshad Hussain, Naeem Ali

Summary: This study developed a MnP-based biosensor for quantitative measurement of dye concentrations using electrochemical signals. The effects of two different dyes on MnP activity were investigated, with one dye showing inhibitory effects and the other dye having no effect. The study demonstrates the potential application of enzyme-based biosensors in dye detection and toxicological monitoring.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Physical, mechanical and microstructural properties of one-part semi-lightweight geopolymers based on metakaolin modified with gypsum and lime

Jinyan Shi, Oguzhan Yavuz Bayraktar, Baris Bayrak, Burak Bodur, Ali Oz, Gokhan Kaplan, Abdulkadir Cuneyt Aydin

Summary: The elemental composition of precursors is crucial for the performance development of geopolymers. The use of lime instead of metakaolin increases the fluidity and mechanical properties of geopolymers, while the addition of gypsum decreases them. Furthermore, higher lime content exacerbates the negative effect of gypsum.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Facile synthesis of Mn3O4-ZnO composite for photocatalytic dye removal and capacitive applications

Aayush Gupta, Kaveri Ajravat, Loveleen K. Brar, O. P. Pandey, Pandey Rajagopalan

Summary: This study focuses on the performance of Mn3O4-ZnO composite material in wastewater treatment and energy storage applications, and presents a detailed comparative analysis. Results show that the composite material with equal concentrations of Mn3O4 and ZnO exhibits excellent photocatalytic activity and high capacitance.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Corrosion characteristics of AA 7075 and AA 7075/SiC/Gr hybrid composite processed through multistep hot cross rolling

V. Murugabalaji, Matruprasad Rout, Harsh Soni, Biranchi Narayan Sahoo

Summary: This study focuses on the corrosion characteristics of AA 7075 and AA 7075 based hybrid composite fabricated using stir casting and hot rolling techniques. The results show that the hybrid composite produced by hot cross rolling exhibits better corrosion resistance compared to the base metal. The addition of a small amount of graphite improves the bonding between the matrix and reinforcements, and the hot cross rolling enhances this bonding, leading to the formation of a strong passivation oxide layer and increased charge transfer resistance, thereby improving corrosion resistance.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Experiment and analysis on edge chamfering rolling of sheet with various wedge angles

Fangkun Ning, Qinghao Shi, Shuping Kong, Weitao Jia, Lifeng Ma

Summary: The paper investigates a new method of rolling sheets with variable chamfering amounts in both the transversal and normal directions. The feasibility of the technological process was tested through simulation and compared with experimental results. Three important process parameters, temperature, stress, and flow velocity, were used to evaluate the effects on chamfering amount before determining the optimal angle. The spread formula for evaluating the shape quality of the plate after ECR was obtained through testing and theory.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Microstructural characterization of AM60-TixNby nanocomposite powders processed by high-energy ball milling

Aqeel Abbas, M. A. Hussein, Mohamed Javid

Summary: In this study, the AM60 magnesium alloy was processed using high-energy ball milling, and the results showed that different reinforcement agents had certain effects on particle size, crystallite size, lattice strain, and dislocation density.

MATERIALS CHEMISTRY AND PHYSICS (2024)

Article Materials Science, Multidisciplinary

Nano-lithium ferrite/nanosilica-filled butadiene-acrylonitrile rubber for microwave absorption

D. S. Mahmoud, E. M. Eldesouki, W. M. Abd El-Gawad

Summary: The development of flexible and lightweight microwave-absorbing materials has become a trendy topic. This study focuses on enhancing the microwave-absorbing performance of butadiene-acrylonitrile rubber (NBR) by incorporating novel reinforcing nanofillers. The results show that the NBR nanocomposite with a loading of 16 parts per hundred rubber (phr) of LiFe 20%/Si has the best microwave-absorbing performance.

MATERIALS CHEMISTRY AND PHYSICS (2024)