AI Article Synopsis
- The synthesis of [4]cyclonaphthodithiophene diimides (C-NDTIs) is accomplished through a unique electrochemical-oxidation macrocyclization method, creating a stable pillar structure.
- The resulting molecules exhibit desirable electronic and optical properties, including strong near-infrared light absorption and stable chirality due to their fixed NDTI unit orientations.
- Their ability to stack efficiently in two-dimensional arrangements makes [4]C-NDTIs promising candidates for creating multifunctional organic materials that could emulate natural photosynthesis.
Article Abstract
The synthesis, structures, and properties of [4]cyclonaphthodithiophene diimides ([4]C-NDTIs) are described. NDTIs as important n-type building blocks were catenated in the α-positions of thiophene rings via an unusual electrochemical-oxidation-promoted macrocyclization route. The thiophene-thiophene junction in [4]C-NDTIs results in an ideal pillar shape. This interesting topology, along with appealing electronic and optical properties inherited from the NDTI units, endows the [4]C-NDTIs with both near-infrared (NIR) light absorptions, strong excitonic coupling, and tight encapsulation of C . Stable orientations of the NDTI units in the nanopillars lead to stable inherent chirality, which enables detailed circular dichroism studies on the impact of isomeric structures on π-conjugation. Remarkably, the [4]C-NDTIs maintain the strong π-π stacking abilities of NDTI units and thus adopt two-dimensional (2D) lattice arrays at the molecular level. These nanopillar molecules have great potential to mimic natural photosynthetic systems for the development of multifunctional organic materials.
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| http://dx.doi.org/10.1002/anie.202107893 | DOI Listing |
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