A Record-Breaking Loading Capacity for Single-Molecule Magnet Mn12 Clusters Achieved in a Mesoporous Ln-MOF
A Record-Breaking Loading Capacity for Single-Molecule Magnet Mn12 Clusters Achieved in a Mesoporous Ln-MOF
复制标题
介孔 Ln-MOF 中实现单分子磁体 Mn12 簇的破纪录负载能力
DOI：
10.1021/acsaelm.9b00088
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发表时间：
2019-06-01
影响因子：
4.7
通讯作者：
Zheng, Lan-Sun
中科院分区：
文献类型：
--
作者：
Chen, Hui-Jun;Zheng, Xiu-Ying;Zheng, Lan-Sun
合成了一种手性介孔镧系金属有机骨架（mn - mof）。更重要的是，它对mn - 12ac的负载量达到40.15 mol %，不仅大于迄今为止报道的多孔材料的负载量，也明显大于LB膜表面的负载量。晶体结构和氮吸附等温线的研究表明，mof中与smm相匹配的孔隙尺寸、mof的柔性孔隙率以及mof与smm之间的相互作用是提高smm在mof中的负载能力的关键。
A chiral mesoporous lanthanide-based metal-organic framework (Ln-MOF) was synthesized. More importantly, its loading capacity for Mn-12 Ac reached 40.15 mol %, which is not only larger than that reported for porous materials to date thus far but also significantly larger than that observed on the surface of LB film. Investigations on the crystal structures and the nitrogen adsorption isotherms reveal that the well-matched porous size with that of SMMs in MOFs, the flexible porosity of the MOFs, and the interactions between MOFs and SMMs are key for enhancing the loading capacity for SMMs in the MOFs.