NDI based C2‐symmetric Chiral Supramolecular Hydrogels Towards Enhanced Conductivity

Abstract

To comprehend the significance of improved conductive properties in C2‐symmetric hydrogels, it is vital to investigate how non‐gelating achiral functional group isomers influence the conductivity of such supramolecular hydrogels, whereas understanding the major driving forces behind this regulatory process is first and foremost. Herein, we report a hydrogel system containing tryptophan‐conjugated NDI as the backbone (L/D‐NTrp), enabling effective supramolecular assembly with the bipyridyl functional group isomers. This co‐assembly behavior results in materials with exceptional mechanical properties and high conductivities, surpassing most previously reported C2‐symmetrical hydrogels, as well as the ability to form controlled morphologies. Notably, the co‐hydrogels displayed an eight‐fold increase in mechanical strength, making them more robust and resistant to deformation compared to the original gel. Additionally, all hydrogels exhibited favorable electrical conductivity, with the co‐assembled hydrogels showcasing notable performance, making them a promising candidate for use in electronic devices and sensors. This report lays the foundation for further investigation into the properties and potential applications of L/D‐NTrp compound in the range of fields, including drug delivery, tissue engineering, and electronics.