Integrated Solar-thermal Conversion, Heat Collection and Antibacterial Properties of Composite Fabrics: A Case Study of PEG@SiO2 Microcapsules Intercalated within MXene Interlayer Coatings

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Nano Materials Pub Date : 2025-05-07 DOI:10.1021/acsanm.5c0148010.1021/acsanm.5c01480

Meng Tao, Wei Guo, Jixiang Zhang*, Cui Liu*, Nian Li, Min Xi, Shudong Zhang* and Zhenyang Wang*,

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引用次数: 0

Abstract

Composite fabrics with integrated photothermal conversion, heat collection, and antibacterial properties are urgently needed to enhance personal thermal management in northern cold regions. Herein, a designed sandwich-like structure, in which PEG@SiO₂ microcapsules were intercalated into the MXene interlayers (PEG@SiO₂/MXene), was proposed to achieve the fast solar-thermal conversion and the surplus solar-generated heat storage and release and even further corresponding fabrics with antibacterial properties for the personal thermal management. Remarkably, the prepared PEG@SiO₂/MXene (PSM) exhibited fast solar-to-heat conversion, followed-on heat storage ability, with an average temperature rising rate of 8.1 °C/min under one-sunlight irradiation and a phase change enthalpy of 155.7 J/g. Furthermore, under one-sunlight irradiation, the designed antibacterial composite fabrics with PSM coatings could greatly increase the local working temperature from 1 °C to 27.3 °C compared with the reference traditional cotton fabrics (from only 1 °C to 6.5 °C). This work provides a potential multifunctional composite material/fabric for the development of personal thermal management in outdoor sunlight applications.

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综合光热转换、集热和抗菌性能的复合织物：PEG@SiO2微胶囊嵌入MXene夹层涂层的案例研究

在北方寒冷地区，迫切需要集光热转换、集热、抗菌为一体的复合材料织物来加强个人热管理。本文设计了一种三明治状结构，将PEG@SiO2微胶囊嵌入MXene夹层（PEG@SiO2/MXene）中，实现了快速的光热转换和太阳能产生的多余热量的储存和释放，并进一步相应的抗菌织物用于个人热管理。值得注意的是，制备的PEG@SiO2/MXene （PSM）具有快速的光热转换和蓄热能力，单次光照下的平均升温速率为8.1°C/min，相变焓为155.7 J/g。此外，在单次阳光照射下，与参考传统棉织物（仅从1°C提高到6.5°C）相比，PSM涂层抗菌复合织物可将局部工作温度从1°C提高到27.3°C。这项工作为户外阳光下个人热管理的发展提供了一种潜在的多功能复合材料/织物。

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来源期刊

ACS Applied Nano Materials Multiple-

CiteScore

8.30

自引率

3.40%

发文量

1601

期刊介绍： ACS Applied Nano Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics and biology relevant to applications of nanomaterials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important applications of nanomaterials.