Z. Bao等人发现，由Ni, Mg, Co等金属离子与没食子酸配体组成的M-gallate MOF 形成了3D Z型孔道结构，其孔道尺寸在3.47-3.69 Å之间，恰好适合分离乙烯（3.28 4.18 4.84 Å3）和乙烷（3.81 4.08 4.82 Å3）。其中Co-gallate对乙烯乙烷的分离比高达52，298 K下乙烯吸附量达3.37 mmol/g，远优于前期报道的最好的MOF材料，NOTT-300.
Zongbi Bao, Wei Zhou,* Banglin Chen,* Qilong Ren*, et al. Molecular sieving of ethane from ethylene through the molecular cross-section size differentiation in gallate-based metal-organic frameworks
Angew. Chem. Int. Ed. 10.1002/anie.201808716
http://dx.doi.org/10.1002/ange.201808716
