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Moon, Hoi Ri
Functional Inorganic Nanomaterials Lab for Energy
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Porous and nonporous coordination polymers induced by pseudohalide ions for luminescence and gas sorption

Author(s)
Jeong, Ah RimShin, Jong WonJeong, Jong HwaJeoung, SungeunMoon, Hoi RiKang, SuhyangMin, Kil Sik
Issued Date
2020-11
DOI
10.1021/acs.inorgchem.0c02503
URI
https://scholarworks.unist.ac.kr/handle/201301/49289
Fulltext
https://pubs.acs.org/doi/10.1021/acs.inorgchem.0c02503
Citation
INORGANIC CHEMISTRY, v.59, no.21, pp.15987 - 15999
Abstract
The three-dimensional (3D) coordination polymers [Cd(tpmd)(NCX)(2)](n) [X = O (1), S (2), and BH3 (3); tpmd = N,N,N',N'-tetrakis(pyridin-4-yl)methanediamine] have been determined to display their network structures through coordinated anionic ligands. Polymers 1 and 2 show nonporous structures, whereas polymer 3 shows a porous coordination framework. On the basis of the Cd(II) network structures, the 3D coordination polymer [Zn(tpmd)(NCBH3)(2)](n)center dot nMeOH (4) was self-assembled. In the cases of polymers 1 and 2, pseudohalide ions acted to form nonporous network structures; however, in polymers 3 and 4, NCBH3- helps to construct porous network structures. Polymers 1-4 show strong ultraviolet luminescence emissions, depending on the pseudohalide ions present, compared to the tpmd ligands. Interestingly, coordination polymers 3 and 4 that possess NCBH3- ions exhibit high porosities and gas sorption properties. The polymers appeared to absorb N-2, H-2, CO2, and CH4. In the case of polymer 4, the structure is almost identical with that of polymer 3, except for the Cd(II) ion. However, polymer 4 has a larger void volume and higher gas absorption ability for N-2 gas than polymer 3. For the sorption of gases, polymers 3 and 4 showed similar behaviors.
Publisher
AMER CHEMICAL SOC
ISSN
0020-1669
Keyword
Gas sorption propertiesNetwork structuresPorous coordination frameworksPorous network structuresThreedimensional (3-d)Ultraviolet luminescencePolymersCadmium compoundsGas absorptionGasesIonsLigandsLuminescenceAbsorption abilitiesCoordination Polymers

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