Tingting Liao, Fan Luo, Weiqi Liu, Chengzhi Ye, Xianghui Liang, Shuangfeng Wang, Zhengguo Zhang, Lei Wang, Yutang Fang
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Solar-Responsive Interface Self-Assembled MOF-Derived Foam for Adaptive Indoor Humidity Regulation
In the context of increasingly complex living environments, it is crucial to develop smart indoor wall materials for resisting external interference such as humidity changes. Herein, we report a facile and scalable strategy to prepare advanced polyurethane (PU) foam as a multifunctional indoor wall, integrating solar-driven humidity regulation, noise absorption, and flame retardancy. Benefiting from the in situ synthesis technology to maintain the original metal–organic framework (MOF) porosity (0.149 cm3/g) and realize a high MOF loading (63.72%), the advanced PU-based module showed excellent water collection abilities and fast water transport kinetics. As a proof-of-concept demonstration, the designed PU-based regulation system provided a comfortable humidity environment (40–70% RH) of a simulated room in outdoor experiments, dependent on the automatic water collection of the Al-fumarate backbone at night as well as the continuous water evaporation promoted by the photothermal layer during daytime. Therefore, the developed multifunctional PU-based management module has great potential for constructing modern, comfortable, and energy-efficient indoor environments.
期刊介绍:
ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.