Processable nanoarchitectonics of two-dimensional metallo-supramolecular polymer for electrochromic energy storage devices with high coloration efficiency and stability

Liu, Shiyou; Wei, Congyuan; Wang, Han; Yang, Wei; Zhang, Jian; Wang, Zhuanpei; Zhao, Wei; Lee, Pooi See; Cai, Guofa

doi:10.1016/j.nanoen.2023.108337

Cited by 36 publications

(12 citation statements)

References 56 publications

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“…It was also found that the 2S-ECD with a high value of colouring efficiency of 627.5 cm has a cycling stability of up to 10,000 cycles. Liu et al 72 developed a scalable method for synthesising MSP-Fe with 'gram' scale by coordinating 1,3,5-tris(4-(2, 2 0 :6 0 , 2 00terpyridyl)phenyl)benzene with iron(II) ions. The uniform MSP-Fe film is assembled on a transparent conductive substrate by electrostatic spray technology.…”

Section: Materials Composite Approachmentioning

confidence: 99%

Electrochromic materials: Scope for the cyclic decay mechanisms and performance stability optimisation strategies

Wu,

Mishra,

Xiong

2023

Coloration Technology

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Electrochromic materials (ECMs) have important potential applications in the field of intelligent optoelectronic displays. However, ECMs and its devices cannot be truly applied on a large scale until the problem of their long‐period performance degradation is really solved. This article focuses on summarising the attenuation mechanism of common ECMs, which is mainly divided into three types: structural damage, irreversible reaction and ion capture, and summarises four optimisation strategies for the cyclic stability of ECMs at the present stage: doping is used to change the internal structure of the material in order to achieve the purpose of improving the cyclic stability; composite means to allow a variety of materials to interact with each other in order that the original material has no excellent performance; improve the cyclic stability of ECMs by the special characteristics of nanostructures; and enhance the performance by optimising the preparation process and regulating the parameters in the preparation process. Finally, the article discusses the potential for optimising the long‐term stability of ECMs in the future, based on the earlier‐mentioned research.

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Section: Materials Composite Approachmentioning

confidence: 99%

Electrochromic materials: Scope for the cyclic decay mechanisms and performance stability optimisation strategies

Wu,

Mishra,

Xiong

2023

Coloration Technology

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“…Multicolor EC devices prepared by this technology have wide application prospects in displays, military camouflage, visual energy storage and intelligent colorful furniture owing to their advantages of low energy consumption and eye friendliness and being easy-to-view. 1–13 Consequently, multicolor EC materials and devices are increasingly attracting the attention of researchers and undergoing extensive development, which is of great significance for technological advancement and practical application in related fields.…”

Section: Introductionmentioning

confidence: 99%

Advances in multicolor electrochromic devices based on inorganic materials

et al. 2023

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“…Metal–organic frameworks (MOFs) are a class of highly crystalline, porous materials that are composed of metal-based secondary binding units (SBUs) and polydentate organic linkers. , Due to their modular nature and tunability, MOFs are extensively investigated for a number of applications ranging from gas separation, , catalysis, , and enzyme encapsulation to energy storage technologies and electronic devices. − Designing extended frameworks with desired structures and properties is a central goal in the field and is often achieved by using the principles of reticular chemistry where either the linker or the node of a known MOF is altered to generate analogous MOF topologies with desired porosity and functionality . The geometric and chemical composition of the SBUs and organic linkers can often be used to predict framework topology, especially if a base structure is known and can be extended upon. , …”

Section: Introductionmentioning

confidence: 99%

Electrochromism in Isoreticular Metal–Organic Framework Thin Films with Record High Coloration Efficiency

Kumar,

Li,

Inge

et al. 2023

ACS Nano

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The power of isoreticular chemistry has been widely exploited to engineer metal–organic frameworks (MOFs) with fascinating molecular sieving and storage properties but is underexplored for designing MOFs with tunable optoelectronic properties. Herein, three dipyrazole-terminated XDIs (X = PM (pyromellitic), N (naphthalene), or P (perylene); DI = diimide) with different lengths and electronic properties are prepared and employed as linkers for the construction of an isoreticular series of Zn-XDI MOFs with distinct electrochromism. The MOFs are grown on fluorine-doped tin oxide (FTO) as high-quality crystalline thin films and characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Due to the constituting electronically isolated XDI linkers, each member of the isoreticular thin film series exhibits two reversible one-electron redox events, each at a distinct electrochemical potential. The orientation of the MOFs as thin films as well as their isoreticular nature results in identical cation-coupled electron hopping transport rates in all three materials, as demonstrated by comparable apparent electron diffusion coefficients, D e app. Upon electrochemical reduction to either the [XDI]•– or [XDI]2– state, each MOF undergoes characteristic changes in its optical properties as a function of linker length and redox state of the linker. Operando spectroelectrochemistry measurements reveal that Zn-PDI@FTO (PDI = perylene diimide) thin films exhibit a record high coloration efficiency of 941 cm2 C–1 at 746 nm, which is attributed to the maximized Faradaic transformations at each electronically isolated PDI unit. The electrochromic response of the thin film is retained to more than 99% over 100 reduction–oxidation cycles, demonstrating the applicability of the presented materials.

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Processable nanoarchitectonics of two-dimensional metallo-supramolecular polymer for electrochromic energy storage devices with high coloration efficiency and stability

Cited by 36 publications

References 56 publications

Electrochromic materials: Scope for the cyclic decay mechanisms and performance stability optimisation strategies

Electrochromic materials: Scope for the cyclic decay mechanisms and performance stability optimisation strategies

Advances in multicolor electrochromic devices based on inorganic materials

Electrochromism in Isoreticular Metal–Organic Framework Thin Films with Record High Coloration Efficiency

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