Chengyue Yu, Lingyun Xu, Fanrong Zhao, Lei Kong, Yupeng Chen*, Lifang Li*, Zhongpeng Zhu* and Lei Jiang,
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引用次数: 0
Abstract
Gas sensing is vital for ecological protection in agriculture, early disease diagnosis in biomedicine, and safety in industrial production. Covalent organic frameworks (COFs), a new class of porous polymer materials, can be customized through specific ligand selection to tailor pore sizes and active sites, enabling them to selectively enrich and interact with targeted gas molecules, making them promising candidates for gas sensing. To advance their use in this field, it is essential to investigate the mechanisms of the complex interactions between COFs and target molecules as well as to improve COF film fabrication methods. This review outlines design strategies for COF films across multiscale: molecular interaction mechanisms, macroscopic interfacial synthesis methods, and microscale/nanoscale approaches such as double-layer films for filtration and micro/nanostructured films for improved gas transfer. Finally, several key research directions are proposed to improve the suitability of COF-based materials for gas sensing in complex 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.
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