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This research advances materials science by synthesizing rigid polymers with distinct molecular faces that exhibit exceptional chirality-induced spin selectivity, a property critical for developing next-generation spintronic devices and quantum information interfaces. By achieving over 90% spin polarization through precise chiral monomer design, the study demonstrates a scalable platform for integrating organic polymeric materials into high-performance quantum computing and communication architectures.

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Scientists build polymers with two distinct molecular faces

Quantum ZeitgeistAugust 20, 20265 min read

Researchers introduced “bifacial ladder polymers”, rigid structures created via chirality-assisted synthesis.

Researchers have created a new class of polymers exhibiting chirality-induced spin selectivity exceeding 90% in thin films, with opposite signs for the two enantiomers. These feature rigid, double-stranded backbones bearing two deliberately differentiated molecular faces, achieved through a chirality-assisted synthesis using a specifically designed C2-chiral monomer. The resulting films display circular dichroism intensities over 100-fold stronger than those of their monomeric or non-ladder analogues, demonstrating a platform for emergent self-assemblies and functions in organic polymeric materials. Solid-state films of newly synthesized bifacial ladder polymers exhibit circular dichroism intensities exceeding 100-fold greater than those of comparable monomeric or non-ladder materials, signaling a substantial advancement in chiroptical behavior. The key…

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