Abstract
Herein, one interdigitated molecular and two metallarectangles were realized successfully using two rigid bidentate ligands (L1, L2) and two building blocks (E1, E2) via coordination-driven self-assembly strategy. Interestingly, a novel interdigitated structure has been successfully formed through triple π-π stacking interactions, different from the previously reported interlocked [2]catenanes. Based on the π-π stacking interaction, nonradiative transitions were promoted and obvious photothermal transitions effect was triggered in solution and solid states. In addition, it is found that the interdigitated structure has a decent photothermal conversion efficiency of about 12% in solution state. This study provides open up new ideas for our future development of near-infrared photothermal conversion materials.
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