A Transparent Polymer-Composite Film for Window Energy Conservation

IF 26.6 1区材料科学 Q1 Engineering

Nano-Micro Letters Pub Date : 2025-02-17 DOI:10.1007/s40820-025-01668-6

Xianhu Liu, Haoyu Zhang, Yamin Pan, Jun Ma, Chuntai Liu, Changyu Shen

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引用次数: 0

Abstract

As living standards improve, the energy consumption for regulating indoor temperature keeps increasing. Windows, in particular, enhance indoor brightness but also lead to increased energy loss, especially in sunny weather. Developing a product that can maintain indoor brightness while reducing energy consumption is a challenge. We developed a facile, spectrally selective transparent ultrahigh-molecular-weight polyethylene composite film to address this trade-off. It is based on a blend of antimony-doped tin oxide and then spin-coated hydrophobic fumed silica, achieving a high visible light transmittance (> 70%) and high shielding rates for ultraviolet (> 90%) and near-infrared (> 70%). When applied to the acrylic window of containers and placed outside, this film can cause a 10 °C temperature drop compared to a pure polymer film. Moreover, in building energy simulations, the annual energy savings could be between 14.1% ~ 31.9% per year. The development of energy-efficient and eco-friendly transparent films is crucial for reducing energy consumption and promoting sustainability in the window environment.

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一种用于窗户节能的透明聚合物复合薄膜

随着生活水平的提高，调节室内温度的能耗不断增加。特别是窗户，可以提高室内亮度，但也会导致能量损失增加，尤其是在阳光明媚的天气。开发一种既能保持室内亮度又能降低能耗的产品是一项挑战。我们开发了一种简单的、光谱选择性的透明超高分子量聚乙烯复合薄膜来解决这个问题。它是基于掺锑氧化锡和自旋涂覆疏水气相二氧化硅的混合物，实现高可见光透射率（> 70%）和高紫外线（> 90%）和近红外（> 70%）屏蔽率。当应用于容器的丙烯酸窗口并放置在外面时，与纯聚合物薄膜相比，这种薄膜可以导致10°C的温度下降。此外，在建筑能源模拟中，每年可节省14.1% ~ 31.9%的能源。开发节能环保的透明薄膜对于降低能耗和促进窗户环境的可持续性至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

32.60

自引率

4.90%

发文量

981

审稿时长

1.1 months

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.