@article{Tan2026, 
author = {Chunhong Tan and Weixiang Zuo and Yu Tao and Yunkai Sun and Mengdie Wang and Wenwen Zhou and Na Li and Tongtong Xu and Jin Tan and Xiao-Feng Wang and Yue-Biao Zhang and João Rocha},
title = {Dual-extended-polyhedral metal–organic frameworks for atmosphere water harvesting},
year = {2026},
journal = {Nano Research},
volume = {19},
number = {1},
pages = {94907946},
keywords = {metal–organic framework, water uptake, atmosphere water harvesting, dual extended polyhedral, organic functionality},
url = {https://www.sciopen.com/article/10.26599/NR.2025.94907946},
doi = {10.26599/NR.2025.94907946},
abstract = {A series of dual-extended-polyhedral metal–organic frameworks (MOFs) was constructed based on the 14-coordinated Cu24-MOP-1 (MOP = metal–organic polyhedron) supermolecular building blocks (SBBs) with enhanced stability and tunable functionality for high water uptake efficiency and capacity. Exceptional water stability was demonstrated by the retention of chemical integrity and crystallinity of USC-CP-5 (where USC-CP stands for University of South China coordination polymer) after exposure to boiling water for 24 h. Functionalization with –Cl, –OCH3, –OH, and –NH2 groups of USC-CP-5 resulted in water uptake capacities of 450, 460, 490, and 590 cm3∙g−1 at relative pressure (P/P0) = 0.9, respectively. This performance is ascribed to both the increased hydrophilicity of the ligands and stronger hydrogen bonding. Intriguingly, high-temperature activated USC-5–NH2 exhibits a significant water uptake of 38.5 wt.% at P/P0 = 0.3 and releases 0.44 L∙kg−1 water between 25 and 65 °C. This water release process is reversible for at least 100 cycles with minimal weight loss of only 1.6 wt.%. Consequently, USC-5–NH2 holds considerable potential for harvesting and releasing atmospheric water in arid desert regions, powered by solar energy.}
}