Scalable multifunctional MOFs-textiles via diazonium chemistry

Wulong Li, Zhen Yu, Yaoxin Zhang, Cun Lv, Xiaoxiang He, Shuai Wang, Zhixun Wang, Bing He, Shixing Yuan, Jiwu Xin, Yanting Liu, Tianzhu Zhou, Zhanxiong Li (), Swee Ching Tan () and Lei Wei ()
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Wulong Li: Nanyang Technological University
Zhen Yu: Tianjin University
Yaoxin Zhang: Shanghai Jiao Tong University
Cun Lv: Soochow University
Xiaoxiang He: Soochow University
Shuai Wang: Nanyang Technological University
Zhixun Wang: Nanyang Technological University
Bing He: Nanyang Technological University
Shixing Yuan: Nanyang Technological University
Jiwu Xin: Nanyang Technological University
Yanting Liu: Nanyang Technological University
Tianzhu Zhou: Nanyang Technological University
Zhanxiong Li: Soochow University
Swee Ching Tan: National University of Singapore
Lei Wei: Nanyang Technological University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Cellulose fiber-based textiles are ubiquitous in daily life for their processability, biodegradability, and outstanding flexibility. Integrating cellulose textiles with functional coating materials can unlock their potential functionalities to engage diverse applications. Metal-organic frameworks (MOFs) are ideal candidate materials for such integration, thanks to their unique merits, such as large specific surface area, tunable pore size, and species diversity. However, achieving scalable fabrication of MOFs-textiles with high mechanical durability remains challenging. Here, we report a facile and scalable strategy for direct MOF growth on cotton fibers grafted via the diazonium chemistry. The as-prepared ZIF-67-Cotton textile (ZIF-67-CT) exhibits excellent ultraviolet (UV) resistance and organic contamination degradation via the peroxymonosulfate activation. The ZIF-67-CT is also used to encapsulate essential oils such as carvacrol to enable antibacterial activity against E. coli and S. aureus. Additionally, by directly tethering a hydrophobic molecular layer onto the MOF-coated surface, superhydrophobic ZIF-67-CT is achieved with excellent self-cleaning, antifouling, and oil-water separation performances. More importantly, the reported strategy is generic and applicable to other MOFs and cellulose fiber-based materials, and various large-scale multi-functional MOFs-textiles can be successfully manufactured, resulting in vast applications in wastewater purification, fragrance industry, and outdoor gears.

Date: 2024
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DOI: 10.1038/s41467-024-49636-9

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