A Piezoelectric‐Driven Electrochromic/Electrofluorochromic Dual‐Modal Display Device

Zhang, Yingchao; Jia, Xiaoteng; Sun, Bolun; Huang, Ruonan; Chao, Danming

doi:10.1002/smll.202301886

Cited by 14 publications

(6 citation statements)

References 47 publications

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“…In recent years, polyimide electrochromic materials have developed rapidly [ 27 , 34 , 35 , 36 , 39 , 40 , 41 , 43 , 44 , 45 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 ]. The performance comparison of PI–ECPs is listed in Table 2 .…”

Section: Special Engineering Plastic-based Electrochromic Polymers (S...mentioning

confidence: 99%

Research Progress in Special Engineering Plastic-Based Electrochromic Polymers

Liu,

Xing,

Jia

et al. 2023

Materials

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SPECPs are electrochromic polymers that contain special engineering plastic structural characteristic groups (SPECPs). Due to their high thermal stability, mechanical properties, and weather resistance, they are also known as high-performance electrochromic polymer (HPEP or HPP). Meanwhile, due to the structural characteristics of their long polymer chains, these materials have natural advantages in the application of flexible electrochromic devices. According to the structure of special engineering plastic groups, SPECPs are divided into five categories: polyamide, polyimide, polyamide imide, polyarylsulfone, and polyarylketone. This article mainly introduces the latest research on SPECPs. The structural design, electrochromic properties, and applications of these materials are also introduced in this article, and the challenges and future development trends of SPECPs are prospected.

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Section: Special Engineering Plastic-based Electrochromic Polymers (S...mentioning

confidence: 99%

Research Progress in Special Engineering Plastic-Based Electrochromic Polymers

Liu,

Xing,

Jia

et al. 2023

Materials

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“…The differences in the principles and sought-after performance metrics of EC and EFC displays make it challenging to design high-performance dual-function materials. 29 Among those, triphenylamine (TPA) groups have broad applications in photoelectric devices as electron donor units. TPA is a propeller-shaped electron-donor small molecule with a nitrogen atom as its core.…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Applications of D−π–A-Type Poly Schiff Bases for Electrochromic, Electrofluorochromic Materials, and Organic Cathodes for Aqueous Zinc Ion Batteries

Chu,

You,

Liang

et al. 2024

ACS Appl. Polym. Mater.

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Based on triphenylamine (TPA) and aromatic diamines, two multifunctional donor−π−acceptor (D−π−A) conjugated poly-Schiff bases (PSBs) were synthesized and subsequently tested and analyzed. The aforementioned conjugated PSBs exhibit electrochromic (EC) and electrofluorochromic (EFC) features and can be utilized as cathode electrode materials for aqueous Zn-ion batteries (AZIBs). Both polymer films, PTTB-1 and PTTB-2, show good EC and EFC properties, excellent dissolution processability, thermal stability, and reversible yellow-to-violet color changes in the UV−vis region. Between them, better optical contrast (46%), a fast response time (2.8 s/ 8.2 s), a high coloring efficiency (CE = 310 cm 2 C −1 ), and good cycling stability (10% attenuation over 2000 s of cycling) are all displayed by the PTTB-2 polymer. PTTB-1 and PTTB-2 present excellent EFC properties and solvatochromic effects. Full batteries constructed using a zinc anode, PSB cathodes, and 2 mol L −1 Zn(CF 3 SO 3 ) 2 aqueous solution show better rate performance, quicker reaction kinetics, and high cycling stability. The specific capacities of PAZIB-1 and PAZIB-2 reach 143 and 150 mA h g −1 , respectively, at a current density of 0.1 A g −1 . Furthermore, the specific capacities can still reach 93 and 102 mA h g −1 at a high current density of 6 A g −1 . Surprisingly, the full batteries exhibit outstanding cycling stability for long-term cycling (6 A g −1 , >5000 cycles). These innovative PSB materials, which integrate several functionalities, present more opportunities for the development of EC displays, AZIBs, sensing materials, and energy-efficient smart windows.

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“…As their optical properties are tunable under electrical stimulation, 1,2 electrochromic materials show considerable potential for smart windows 3–5 and non-emissive display devices. 6–9 To date, many electrochromic materials with outstanding properties have been designed and fabricated, playing a key role in advancing developments in the field of electrochromism. Electrochromic materials can be divided into inorganic, 10–12 organic, 13,14 and metal–organic materials.…”

Section: Introductionmentioning

confidence: 99%