Modulating the stacking modes of nanosized metal-organic frameworks by morphology engineering for isomer separation.
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Modulating different stacking modes of nanoscale metal-organic frameworks (MOFs) introduces different properties and functionalities but remains a great challenge. Here, we describe a morphology engineering method to modulate the stacking modes of nanoscale NU-901. The nanoscale NU-901 is stacked through solvent removal after one-pot solvothermal synthesis, in which different morphologies from nanosheets (NS) to interpenetrated nanosheets (I-NS) and nanoparticles (NP) were obtained successfully. The stacked NU-901-NS, NU-901-I-NS, and NU-901-NP exhibited relatively aligned stacking, random stacking, and close packing, respectively. The three stacked nanoscale NU-901 exhibited different separation abilities and all showed better performance than bulk phase NU-901. Our work provides a new morphology engineering route for the modulation of the stacking modes of nano-sized MOFs and improves the separation abilities of MOFs.
author list (cited authors)
Xu, M., Meng, S., Cai, P., Tang, W., Yin, Y., Powell, J. A., Zhou, H., & Gu, Z.
complete list of authors
Xu, Ming||Meng, Sha-Sha||Cai, Peiyu||Tang, Wen-Qi||Yin, Yun-Dong||Powell, Joshua A||Zhou, Hong-Cai||Gu, Zhi-Yuan