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- Title
Design and synthesis of novel lanthanide MOFs by unique in situ organic and inorganic reactions.
- Authors
Yoon, Jung Heum; Lee, Woo Ram; Lee, Jeong Tae; Song, Jeong Hwa; Lee, Giseong; Lim, Kwang Soo
- Abstract
Four novel metal–organic frameworks (MOFs), H3O[Ln(Ox)1.5(formate)] (Ln = Tb (1), Dy (2), Ho (3), Er (4), Ox = oxalate) were synthesized, and their structures and properties were analyzed. They were prepared by solvothermal reaction under acidic condition with structure‐directing agents (H4dobpdc; 4,4′‐dihydroxy‐[1,1′‐biphenyl]‐3,3′‐dicarboxylic acid) and the corresponding Ln metal ion(s). Single‐crystal X‐ray diffraction analysis revealed that 1 and 2 (Group I) are isostructural as Cmca space group to 3 and 4 (Group II) as Pnma space group, respectively. This result probably comes from the change in structure according to the size of the lanthanide metal. TGA showed that the framework is thermally stable up to about 300 °C for all 1–4. Furthermore, we measured N2 adsorption at 77 K and CO2 adsorption at 195 K, and compound 2–4 had a type I adsorption isotherm graph and adsorbed CO2. In the study, we prepared and characterized four novel Ln‐MOFs, H3O[Ln(Ox)1.5(formate)] (Ln = Tb (1), Dy (2), Ho (3), Er (4), Ox = oxalate) by an unique in situ synthetic method.
- Subjects
RARE earth metals; TERBIUM; OXALATES; ADSORPTION isotherms; SPACE groups; METAL-organic frameworks; METAL ions
- Publication
Bulletin of the Korean Chemical Society, 2022, Vol 43, Issue 9, p1136
- ISSN
0253-2964
- Publication type
Article
- DOI
10.1002/bkcs.12592