A Self-Bleaching Electrochromic Mirror Based on Metal Organic Frameworks

Wang, Kun; Tao, Kai; Jiang, Ran; Zhang, Hongliang; Liang, Lingyan; Gao, Junhua; Cao, Hongtao

doi:10.3390/ma14112771

Cited by 13 publications

(2 citation statements)

References 39 publications

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“…Electrochromic mirrors are used in automotive applications to reduce glare from the headlights of following vehicles [73]. These mirrors consist of an electrochromic layer sandwiched between two transparent conductive layers.…”

Section: Overview Of the Application And Potential Benefits Of Flexib...mentioning

confidence: 99%

Flexing the Spectrum: Advancements and Prospects of Flexible Electrochromic Materials

Nuroldayeva

Balanay

2023

Polymers

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The application potential of flexible electrochromic materials for wearable devices, smart textiles, flexible displays, electronic paper, and implantable biomedical devices is enormous. These materials offer the advantages of conformability and mechanical robustness, making them highly desirable for these applications. In this review, we comprehensively examine the field of flexible electrochromic materials, covering topics such as synthesis methods, structure design, electrochromic mechanisms, and current applications. We also address the challenges associated with achieving flexibility in electrochromic materials and discuss strategies to overcome them. By shedding light on these challenges and proposing solutions, we aim to advance the development of flexible electrochromic materials. We also highlight recent advances in the field and present promising directions for future research. We intend to stimulate further innovation and development in this rapidly evolving field and encourage researchers to explore new opportunities and applications for flexible electrochromic materials. Through this review, readers can gain a comprehensive understanding of the synthesis, design, mechanisms, and applications of flexible electrochromic materials. It serves as a valuable resource for researchers and industry professionals looking to harness the potential of these materials for various technological applications.

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Section: Overview Of the Application And Potential Benefits Of Flexib...mentioning

confidence: 99%

Flexing the Spectrum: Advancements and Prospects of Flexible Electrochromic Materials

Nuroldayeva

Balanay

2023

Polymers

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“…The advantage of electrochromic (EC) systems compared to other chromisms (e.g., thermochromic or gasochromic systems) is in the simplicity of regulating the color response of the electrochromic device (ECD) via the selective application of the potential or current [2,3]. The energy stored during the dyeing process can also be used in some cases to return the ECD to its initial state [4,5]. The EC effect can be observed in various redox reactions involving inorganic and organic substances, including polymers in the solid state [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Use of Different Metal Oxide Coatings in Stainless Steel Based ECDs for Smart Textiles

et al. 2021

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Electrochromism is the ability of a material to selectively change its coloration under the influence of an external electric current/potential and maintain it even after the power source has been disconnected. Devices that use such a mechanism are known as electrochromic devices (ECDs). Over the years, significant effort has been invested into the development of flexible ECDs. Such electrochromic tapes or fibers can be used as smart textiles. Recently, we utilized a novel geometrical approach in assembling electrochromic tapes which does not require the use of optically transparent electrodes. The so-called inverted sandwich ECD configuration can employ various color-changing mechanisms, e.g., intercalation, redox reactions of electrolytes or reactions on electrode surfaces. One of the most frequently used electrochromic metal oxides is WO3. However, other metal oxides with different coloration responses also exist. In this paper, we explore the use of V2O5 and TiO2 in metal-tape-based ECDs in the inverted sandwich configuration and compare their performance with WO3-based devices. Morphological features of metal oxide thin layers were investigated with scanning electron microscopy (SEM), and the performance of the tapes was investigated electrochemically and spectroscopically. We demonstrate that well-established preparation techniques (e.g., sol–gel synthesis) along with coating approaches (e.g., dipping) are adequate to prepare optically nontransparent fiber electrodes. Depending on the metal oxide, flexible electrochromic fiber devices exhibiting different coloration patterns can be assembled. Devices with TiO2 showed little coloration response, while much better performance was achieved in the case of V2O5 and WO3 ECDs.

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