Self-assembled π-conjugated Cu(ii)–phenanthro[9,10-d]imidazole superstructures for VOC sensing and enhanced supercapacitor performance
Mallayasamy Siva, Aneesh Anand Nechikott, Sheethal Sasi, Yuvaraj Sivalingam, Prasant Kumar Nayak, Priyadip Das
TL;DR
Researchers created copper-based self-assembled materials that can detect acetone and store energy, showing potential for sensors and supercapacitors.
Contribution
The study introduces new π-conjugated Cu(ii) complexes that self-assemble into functional superstructures for VOC sensing and energy storage.
Findings
(S1)2Cu shows superior acetone selectivity compared to (S2)2Cu in VOC sensing.
(S1)2Cu achieves a specific capacitance of 230.0 F g−1 and retains 75% capacitance after 4000 cycles.
The superstructures are governed by non-covalent interactions and metal–ligand coordination.
Abstract
The development of self-assembled smart materials is a pivotal area of advanced research, particularly for sensing and electronic applications. π-Conjugated small organic molecules can self-assemble into well-ordered superstructures with remarkable optoelectronic, chemical, and structural properties, making them suitable for applications such as volatile organic compound (VOC) detection and energy storage in supercapacitors. However, the self-assembly behavior of Cu(ii) complexes derived from π-conjugated ligands, and their potential use in areas such as health, environmental monitoring, and energy storage, remain underexplored. In this study, we designed and synthesized two π-conjugated phenanthro[9,10-d]imidazole-based ligands (S1 and S2) and their corresponding Cu(ii) complexes, (S1)2Cu and (S2)2Cu. These complexes self-assemble into well-ordered superstructures with distinct…
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Taxonomy
TopicsMetal-Organic Frameworks: Synthesis and Applications · Conducting polymers and applications · Polyoxometalates: Synthesis and Applications