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- Title
A Mixed-Ligand Approach for a Gigantic and Hollow Heterometallic Cage {Ni<sub>64</sub>RE<sub>96</sub>} for Gas Separation and Magnetic Cooling Applications.
- Authors
Chen, Wei ‐ Peng; Liao, Pei ‐ Qin; Yu, Youzhu; Zheng, Zhiping; Chen, Xiao ‐ Ming; Zheng, Yan ‐ Zhen
- Abstract
Nanosized aggregations of metal ions shielded by organic ligands possessing both exquisite structural aesthetics and intriguing properties are fundamentally interesting. Three isostructural gigantic transition-metal-rare-earth heterometallic coordination cages are reported, abbreviated as {Ni64RE96} (RE=Gd, Dy, and Y) and obtained by a mixed-ligand approach, each possessing a cuboidal framework made of 160 metal ions and a nanosized spherical cavity in the center. Along with the structural novelty, these hollow cages show highly selective adsorptions for CO2 over CH4 or N2 at ambient temperatures. Moreover, the gadolinium analogue exhibits large magnetocaloric effect at ultralow temperatures.
- Subjects
METAL ions; MAGNETIC cooling; SEPARATION of gases; GADOLINIUM; RARE earth metals
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 32, p9521
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201603907