Publication date: 15th December 2025
Chiral effects are prevalent in natural systems across various length scales and are of fundamental significance in physics, chemistry, and materials science. While molecular chirality has been extensively studied over the past few decades due to its crucial role in biomolecules and pharmaceuticals, achieving large Kuhn dissymmetry factors (g-factors) in individual molecules or their assemblies remains a considerable challenge. In contrast, introducing chirality to nanomaterials with high polarizability offers the potential to create chiral materials with large g-factors, enabling a wide range of applications. In this presentation, we will discuss recent advancements in the assembly of nanocrystals into chiral superstructures through supramolecular interactions. We demonstrate that the co-assembly of nanocrystals with π-conjugated chiral molecules facilitates chirality transfer from molecular assemblies to nanocrystals, resulting in the formation of double-helical and tubular nanocrystal structures. Additionally, we show how anisotropic nanocrystals can be used to enhance the g-factor of nanocrystal assemblies, achieving values as high as ~0.3.
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