ArticleChemistry of materials : a publication of the American Chemical Society2025
Tunable Plasmonic Circular Dichroism of Hierarchical Chiral Assemblies.
Article in Chemistry of materials : a publication of the American Chemical Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Ionic gel-mediated synthesis of nanostructured chiral 2D halide perovskites with amplified chiroptical response.Nature communications · 2026Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plasmonic circular dichroism (PCD) is a powerful approach for enhancing chiroptical effects at the nanoscale with promising applications such as optical information processing, sensing, and catalysis. However, a key challenge remains in achieving both strong and tunable optical responses. While most strategies use either intrinsically chiral nanoparticles (NPs) or achiral NPs arranged into chiral assemblies, combining both offers a promising route to amplify chiral optical responses. Here, 4-fold-twisted gold nanorods (cGNRs) were assembled by depletion-induced self-assembly (DISA) into chiral superstructures with tunable PCD properties. By reducing cGNR helicity via chemical etching, we study how building block helicity affects hierarchical structure formation. Whereas static helical supercrystals were obtained on substrates upon evaporation-induced self-assembly (EISA), DISA allowed us to dynamically modulate the interparticle distance in solution from 13 ± 1.2 nm to 6.9 ± 1.0 nm. The assembly/disassembly process was found to be fully reversible, thereby enabling a modulation of the
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Registered trials
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