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Article Abstract
As one of the most studied subclasses of metal-organic frameworks (MOFs), zirconium-based MOFs (Zr-MOFs) have aroused extensive interest due to unlimited variety of organic linkers and diversity of structures, compositions and functions induced by varying Zr-oxo clusters. It has been proven that organic linker-directed precise control over the composition, underlying net and porosity of the resultant Zr-MOFs is essential to achieve desired crystalline structures, functions or enhanced performances. Herein, we designed and constructed a new Zr-MOF (HIAM-4062) possessing a topology using one hexatopic carboxylate linker. In the crystal structure of HIAM-4062, only four out of six carboxylic groups from one organic linker are coordinated with the 8-c Zr clusters, while the other two carboxylic groups are uncoordinated and hang in the hexagonal channels. HIAM-4062 exhibits bright emission, great porosity, and excellent chemical and thermal stability. Nanosized HIAM-4062 can be utilized as a useful chemical sensor for detecting glutathione with high sensitivity and selectivity.
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