Preparation, optimization and electrochromic properties of dual-band device with four modes

Zhang, Bo; Ma, Lanhui; Hao, Xinjun; Zhang, Yuhao; Tian, Yuanyuan

doi:10.1016/j.electacta.2023.143132

Cited by 3 publications

(2 citation statements)

References 33 publications

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“…The synthesized ECPs exhibit subtle visible and remarkable NIR modulation, allowing for the theoretical “Warm-to-Dark” modulation mode . To enhance electrochromic properties, several ECDs were constructed using these polymers, incorporating a suitable counter electrode and electrolyte.…”

Section: Resultsmentioning

confidence: 99%

“…The synthesized ECPs exhibit subtle visible and remarkable NIR modulation, allowing for the theoretical "Warm-to-Dark" modulation mode. 42 To enhance electrochromic properties, several ECDs were constructed using these polymers, incorporating a suitable counter electrode and electrolyte. PEDOT/PSS and UV-curing gel electrolyte thin films were selected as the counter electrode and electrolyte, respectively, to ensure desirable properties and high performance.…”

Section: Synthesis and Characterization Of Polymersmentioning

confidence: 99%

See 1 more Smart Citation

“Dark-to-Warm” Smart Windows Enabled by Black-to-Black Electrochromic Copolymers with Minimal Visible and Remarkable NIR Modulation

Yuan,

Kuang,

Yin

et al. 2024

Macromolecules

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Conducting polymers, despite their promising electrochromic properties, face limitations in smart windows due to their inverse modulation in visible and near-infrared (NIR) regions. In this study, we introduce novel "black-to-black" electrochromic copolymers, synthesized through direct arylation polymerization (DArP) of tris(thienothiophene) (TTT), 3,4dialkylthiophene (DKTh), and benzo[c][1,2,5]thiadiazole (Tz) monomers. These copolymers demonstrate minimal visible impact (<5%) and broad NIR modulation (>60%). The resulting electrochromic devices seamlessly transition between "Warm" mode (low visible and high NIR transmittance) and "Dark" mode (low visible and NIR transmittance), showcasing high switching stability, open-circuit memory, and coloration efficiency. The synthesized copolymers and devices surpass conventional "color-to-transmissive" conducting polymers, exhibiting significant solar heat gain coefficient (SHGC) modulation and high optical contrast. This discovery prompts further exploration of dual-band electrochromic materials, particularly those featuring a "Warm" mode based on conducting polymers.

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Section: Resultsmentioning

confidence: 99%

Section: Synthesis and Characterization Of Polymersmentioning

confidence: 99%

“Dark-to-Warm” Smart Windows Enabled by Black-to-Black Electrochromic Copolymers with Minimal Visible and Remarkable NIR Modulation

Yuan,

Kuang,

Yin

et al. 2024

Macromolecules

View full text Add to dashboard Cite

show abstract

Advancements in dual-band electrochromic smart windows: Exploring single-component materials for sustainable building solutions

Qin,

Liu,

Long

et al. 2024

Ceramics International

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Plasmonic-based electrochromic materials and devices

Liu,

Huang,

Cao

et al. 2024

Nanophotonics

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The development of electrochromic (EC) materials has paved the way for a wide range of devices, such as smart windows, color displays, optical filters, wearable camouflages, among others. However, the advancement of electrochromism faces a significant hurdle due to its poor stability and limited color options. This lack of stability is primarily attributed to the substantial alteration in the dielectric properties of EC materials during cycling. Consequently, the design of advanced plasmonic materials is a key strategy to achieve a stable EC device. In this review, we provide an overview of the current state-of-the-art designs of plasmonic-based EC materials and devices. We discuss their working principles, techniques for structure/morphology engineering, doping methods, and crystal phase design. Furthermore, we explore the integration of plasmonic materials with other EC materials to create advanced EC devices. Finally, we outline the challenges that need to be addressed and present an outlook on the development of high-performance EC devices.

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Preparation, optimization and electrochromic properties of dual-band device with four modes

Cited by 3 publications

References 33 publications

“Dark-to-Warm” Smart Windows Enabled by Black-to-Black Electrochromic Copolymers with Minimal Visible and Remarkable NIR Modulation

“Dark-to-Warm” Smart Windows Enabled by Black-to-Black Electrochromic Copolymers with Minimal Visible and Remarkable NIR Modulation

Advancements in dual-band electrochromic smart windows: Exploring single-component materials for sustainable building solutions

Plasmonic-based electrochromic materials and devices

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