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Multifunctional coordination polymers based on copper(i) and mercaptonicotinic ligands: synthesis, and structural,
Khaled Hassanein1, Chiara Cappuccino2, Pilar Amo-Ochoa3
1Istituto ISOF-CNR, Via P. Gobetti 101, 40129 Bologna, Italy. barbara.ventura@isof.cnr.it.
Three novel copper coordination polymers (CPs) were synthesized and characterized. These materials exhibit semiconductive behavior and unique structural features, including 1D and 2D arrangements, with potential applications in materials science.
Area of Science:
- Coordination chemistry
- Materials science
- Solid-state chemistry
Background:
- Coordination polymers (CPs) offer tunable properties for advanced applications.
- Understanding structure-property relationships in CPs is crucial for materials design.
Purpose of the Study:
- Synthesize and structurally characterize new copper coordination polymers.
- Investigate their optical properties, electrical conductivity, and thermal stability.
Main Methods:
- Single-crystal X-ray diffraction for structural determination.
- Optical property evaluation at room temperature and 77 K.
- Electrical conductivity and thermal stability measurements.
Main Results:
- Three new CPs, [Cu(6mna)]n (CP1), [CuCl(H6mna)(H2O)0.33]n (CP2), and {[(CuI)2H2dtdn].MeCN}n (CP3), were synthesized.
- CP1 and CP3 are 2D CPs, while CP2 is a 1D CP with a disordered channel-like structure.
- All CPs displayed semiconductive behavior, with CP2 showing minor structural changes at low temperatures.
Conclusions:
- The synthesized copper coordination polymers exhibit diverse structural architectures (1D and 2D).
- Their optical and electrical properties suggest potential as semiconducting materials.
- CP2's unique structure and stability warrant further investigation.
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