A microporous yttrium metal–organic framework of an unusual nia topology for high adsorption selectivity of C2H2 and CO2 over CH4 at room temperature. (14th June 2017)

• Record Type: Journal Article
• Authors: Liu, Kang; Li, Xu; Ma, Dingxuan; Han, Yi; Li, Baiyan; Shi, Zhan; Li, Zhenjiang; Wang, Lei
• Is Part Of: Materials chemistry frontiers. Volume 1:Number 10(2017)
• Page Start: 1982
• Page End: 1988
• Publication Date: 2017-06-14
• Subjects: Materials science -- Periodicals; Chemistry -- Periodicals; 540
• DOI: 10.1039/c7qm00164a
• Languages: English
• ISSNs: 2052-1529

Abstract

Abstract : A new microporous yttrium MOF Y-H3 TDPAT with Lewis basic sites on the pore surfaces was hydrothermally synthesized and structurally characterized as an unusual nia topology. Abstract : A new microporous yttrium metal–organic framework Y-H3 TDPAT [H6 TDPAT = 2, 4, 6-tris(3, 5-dicarboxylphenyl-amino)-1, 3, 5-triazine] with Lewis basic sites on the pore surface was solvothermally synthesized and structurally determined as an unusual (6, 6)-connected nia topology. The small pores and the Lewis basic sites within the desolvated Y-H3 TDPAT have improved the affinity for C2 H2 and CO2 which has been revealed in their large isosteric heats of adsorption (38.2 and 30.9 kJ mol −1 ). In addition, highly selective separation of C2 H2 /CH4 and CO2 /CH4 at room temperature makes Y-H3 TDPAT possess a potential application in natural gas purification.