Covalent interface engineering of ZrO2/SBA-15 composites for enhanced optical and thermal radiation performance

IF 4.6 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-09-25 DOI:10.1016/j.mseb.2025.118814

Xinyu Wang , Maofei Zhang , Yuzhi Zhang , Rui Sun , Binghao Wang , Jiayu Ma , Hongyu Gu , Lingnan Wu , Lixin Song

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引用次数: 0

Abstract

Optimizing high solar reflectance and infrared radiation in composites faces challenges like optical imbalance and instability. This study used efficient impregnation to uniformly disperse ZrO₂ onto ordered mesoporous SBA-15. First-principles calculations revealed robust covalent bonds and charge redistribution at the ZrO₂/SBA-15 interface, yielding exceptional stability (adhesion energy: 1.91 J/m²). This multi-interface structure significantly enhanced optical and thermal radiation properties. With 10 wt% Zr loading, the composite pigment achieved ultra-high solar reflectance (96.8 %, 0.3–2.5 μm) and hemispherical emissivity (0.98, 8–13 μm). The work clarifies the link between atomic-scale interface interactions and macroscopic optical/thermal properties, providing foundational insights for designing stable, high-performance composites for optical and thermal management.

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ZrO2/SBA-15复合材料增强光学和热辐射性能的共价界面工程

优化高太阳反射率和红外辐射的复合材料面临着光学不平衡和不稳定性等挑战。本研究采用高效浸渍法将ZrO₂均匀分散到有序介孔SBA-15上。第一性原理计算表明，在ZrO 2 /SBA-15界面上存在强大的共价键和电荷再分配，具有优异的稳定性（粘附能：1.91 J/m2）。这种多界面结构显著提高了光学和热辐射性能。当Zr含量为10 wt%时，复合颜料获得了超高的太阳反射率（96.8%,0.3 ~ 2.5 μm）和半球发射率（0.98,8 ~ 13 μm）。这项工作阐明了原子尺度界面相互作用与宏观光学/热性能之间的联系，为设计稳定、高性能的光学和热管理复合材料提供了基础见解。

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

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.