Effect of substrate temperature on the performance of ultrasonically sprayed PEDOT:PSS-AgNWs transparent conductive films for electrochromic devices

Article Chemistry, Physical

Controllable synthesis of hexagonal WO3 nanorod-cluster films with high electrochromic performance in NIR range

Likun Wang et al.

Summary: Hexagonal WO3 nanorod-cluster films were successfully synthesized with excellent electrochromic performance, including high optical modulation, fast switching speed, high coloration efficiency, and outstanding cycling stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Energy & Fuels

Efficient electrochromic device employing thermal tolerant hydrogel electrolyte with a wide operating temperature range from-40 to 60°C

Xiaowei Li et al.

Summary: This study successfully achieved a stable electrochromic device that operates efficiently in a wide temperature range (-40°C to 60°C) by using thermal tolerant hydrogel electrolytes, which showed good anti-freezing and heat-resistant properties, as well as high ionic conductivity. The device exhibited fast response time, good coloration efficiency, and excellent switching stability over 1000 cycles under extreme working conditions, demonstrating the promising potential of thermal tolerant hydrogel electrolytes for practical electrochromic devices.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2022)

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Article Materials Science, Multidisciplinary

Electrochromic property improvement of WO3 films by using PEDOT: PSS-AgNWs/ITO counter electrode

Jung-Jie Huang et al.

Summary: By using PEDOT:PSS-AgNWs/ITO as the counter electrodes in EC devices, concentration polarization is reduced, leading to improved device performance. Experimental results show significant enhancements in transmittance modulation, charge density, and coloration efficiency of the devices.

MATERIALS LETTERS (2021)

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Article Energy & Fuels

Fabrication of WO3 electrochromic devices using electro-exploding wire techniques and spray coating

Chi-Ming Chang et al.

Summary: An alternative facile method integrating electro-exploding wire and spray coating techniques is demonstrated for applications in large size ECDs. The varied size distribution of WO3 nanomaterials is achieved by changing the exploding voltage. The WO3 NM films prepared at a high exploding voltage and a high substrate temperature present a higher electrochemical stability for over 1000 cycles.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

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Article Materials Science, Ceramics

Fast electrochromic response and high coloration efficiency of Al-doped WO3 thin films for smart window applications

M. Arslan et al.

Summary: The study investigated the influence of Al doping on the electrochromic properties of WO3 film, finding that the Al:WO3 film exhibited outstanding electrochromic performance with wide optical modulation, high coloration efficiency, and quick reaction kinetics. The incorporation of Al element into the WO3 network was confirmed through various analyses, and the increase of active surface in the Al:WO3 film enhanced transport kinetics for electron and ion intercalation/deintercalation, improving coloration efficiency. These results not only provide insights for electrode materials in electrochromic display applications, but also offer a cost-effective strategy for manufacturing doped metal oxide films.

CERAMICS INTERNATIONAL (2021)

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Article Materials Science, Multidisciplinary

Infrared electrochromic materials, devices and applications

Junlong Niu et al.

Summary: Electrochromism has been rapidly developed in the past four decades and applied to various visible applications. There is increasing interest in the development of infrared electrochromism for applications such as smart windows, military camouflage and thermal control. The review systematically describes different classes of infrared electrochromic materials and provides examples of prototype and commercial devices, while also discussing the challenges and future trends in the field.

APPLIED MATERIALS TODAY (2021)

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Article Electrochemistry