Journal
CRYSTAL GROWTH & DESIGN
Volume 21, Issue 9, Pages 4892-4903Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.cgd.1c00297
Keywords
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Funding
- SERB [EMR/2017/001333]
- CSIR
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The intriguing properties of porous coordination polymers (PCPs) have been extensively discussed and various functionalities have been achieved by synthesizing and characterizing three different coordination polymers. Gas sorption, electrical properties in dark and light, and luminescence were studied to demonstrate the multifunctionality of these structures. The measured properties of the synthesized complexes were correlated with the individual frameworks based on dicarboxylate flexibility/substitution and the size of the metal ion.
Intriguing properties exhibited by porous coordination polymers (PCPs) have been discussed for a very long time, and the peak of the journey has been reached. Many ways have been introduced side by side to explore in the domain of PCPs with further progress to achieve various functionalities. Multi-functionality by these types of frameworks is one of those interesting features which has also been challenged to produce proper frameworks for exhibiting multiple properties by a single structure. Thus, after judicial choice of two different types of ligands, three coordination polymers {[Cd(1,4-(2-Me)-bix)(glu)]center dot 5(H2O)}(n) (1), {[Cd-2(1,4-(2-Me)-bix)(msuc)]center dot(H2O)}(n) (3), and {[Zn(1,4-(2-Me)-bix)(msuc)]center dot(solvent)(x)}(n) (4) have been synthesized and characterized. These three compounds along with one previously reported structurally similar complex {[Zn(1,4-(2-Me)-bix)(glu)]center dot 4(H2O)} n (2) have been used to study gas sorption, electrical properties in dark and light, and luminescence. All the PCPs display different gas adsorptions (CO2, N-2, H-2) and electrical conductance in both dark and illuminated conditions, which is an indication of multifunctionality shown by these structures. This designed structure and the measured properties of the synthesized complexes have been correlated with each individual framework of the four complexes based on the dicarboxylate flexibility/substitution and the size of the metal ion.
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