Bioinspired Superhydrophobic All‐In‐One Coating for Adaptive Thermoregulation
Source abstract
Abstract
Abstract The development of scalable and passive coatings that can adapt to seasonal temperature changes while maintaining superhydrophobic self‐cleaning functions is crucial for their practical applications. However, the incorporation of passive cooling and heating functions with conflicting optical properties in a superhydrophobic coating is still challenging. Herein, an all‐in‐one coating inspired by the hierarchical structure of a lotus leaf that combines surface wettability, optical structure, and temperature self‐adaptation is obtained through a simple one‐step phase separation process. This coating exhibits an asymmetrical gradient structure with surface‐embedded hydrophobic SiO2 particles and subsurface thermochromic microcapsules within vertically distributed hierarchical porous structures. Moreover, the coating imparts superhydrophobicity, high infrared emission, and thermo‐switchable sunlight reflectivity, enabling autonomous transitions between radiative cooling and solar warming. The all‐in‐one coating prevents contamination and over‐cooling caused by traditional radiative cooling materials, opening up new prospects for the large‐scale manufacturing of intelligent thermoregulatory coatings.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Thermal Radiation and Cooling Technologies · Urban Heat Island Mitigation · Transition Metal Oxide Nanomaterials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Bioresources Chemical and Materials Engineering Shaanxi University of Science and Technology Xi'an 710021 China
Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 China
Key Laboratory of Vascular Aging Ministry of Education Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430030 China
State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan 430074 China
School of Physical Education Huazhong University of Science and Technology Wuhan 430074 China
Department of Mechanical Engineering The Hong Kong Polytechnic University Hong Kong 999077 China
Department of Mechanical Engineering City University of Hong Kong Hong Kong China
Funding
National Natural Science Foundation of China · National Key Research and Development Program of China
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