全有机电致变色智能窗的器件参数优化：性能增强剂金属氧化物的作用

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-04-10 DOI:10.1016/j.solmat.2025.113626

Md Sahid Ahmed , Bhumika Sahu , Love Bansal , Nikita Ahlawat , Deb Kumar Rath , Shivansh Raj Pandey , Subin Kaladi Chondath , Naresh Kumar Kumawat , Rajesh Kumar

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引用次数: 0

摘要

基于电致变色器件（ECDs）的智能窗对于节能建筑的设计至关重要；然而，没有一种材料显示出能够导致所有设备参数改进的特性。本研究提出了一种通过选择性掺杂各种金属氧化物来优化电化学性能的方法。合成了氧化锌（ZnO）、三氧化钨（WO3）、二氧化钛（TiO2）和三氧化钼（MoO3）作为掺杂剂，改善了聚3-己基噻吩（PT）和紫乙酯（EV）基全有机ECD的各方面性能。掺杂高多孔ZnO的器件提高了颜色对比度（515 nm），近红外区透射率变化大，而掺杂WO3的器件具有超过1000 cm2/C （515 nm）的高显色效率和515和750 nm的快速切换时间（~ 0.5 s）。掺杂TiO2的全有机PT-EV ECD在515 nm处的显色效率为1000 cm2/C，在其他参数上表现中等，而掺杂MoO3的透过率在750 nm处的热过滤性能也有很大的变化。所有金属氧化物在近红外区均表现出较高的稳定性。选择合适的金属氧化物作为掺杂剂来改善特定的ECD性能，将有助于研究人员为这些智能电子窗帘的现场应用创造极其有效的ECD。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Device parameter optimization of all-organic electrochromic smart windows: Role of performance enhancer metal-oxides

查看原文本刊更多论文

Device parameter optimization of all-organic electrochromic smart windows: Role of performance enhancer metal-oxides

Electrochromic devices (ECDs) based smart windows are essential for designing energy-efficient buildings; yet, no single material displays properties that can lead to the improvement in all the device parameters. This study suggests a recipe for optimizing ECD performance through selective doping of various metal oxides. Zinc oxide (ZnO), tungsten trioxide (WO₃), titanium dioxide (TiO₂), and molybdenum trioxide (MoO₃), have been synthesized and used as dopant to improve various aspects of ECD properties of a poly(3-hexylthiophene) (PT) and ethyl viologen (EV) based all-organic ECD. The device doped with highly porous ZnO improves the color contrast (515 nm) with high change in transmittance at NIR region, whereas device doped with WO₃ offers high coloration efficiency of more than 1000 cm²/C (515 nm) and fast switching time of ∼0.5 s for both 515 and 750 nm. The all-organic PT-EV ECD doped with TiO₂ gives coloration efficiency of 1000 cm²/C at 515 nm along with moderate performance in other parameters, while the doping of MoO₃ also offers high change in transmittance at 750 nm for heat filtering property. All the metal oxides show high stability in the NIR region. Selecting the right metal oxide as dopant for improving a specific ECD performance would assist researchers in creating extremely effective ECD for on-field application of these smart electronic curtains.

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.