Fig. 2: The formation of helical nanoribbons triggered by chiral seeds of R- or S-Ag6, and the hierarchical evolution of helical nanoribbons with the synergistic effect of R- or S-phol. | Nature Communications

Fig. 2: The formation of helical nanoribbons triggered by chiral seeds of R- or S-Ag6, and the hierarchical evolution of helical nanoribbons with the synergistic effect of R- or S-phol.

From: Chiral metal cluster-mediated chirality transfer in light-harvesting nanoribbons for amplified circularly polarized luminescence

Fig. 2: The formation of helical nanoribbons triggered by chiral seeds of R- or S-Ag6, and the hierarchical evolution of helical nanoribbons with the synergistic effect of R- or S-phol.

a SEM images of achiral BTA self-assemblies. b SEM images of BTA/S-Ag6 co-assemblies. BTA/S-Ag6 = 100:3. c SEM images of BTA/R-Ag6 co-assemblies. BTA/R-Ag6 = 100:3. d SEM images of BTA/S-phol assemblies. BTA/S-phol = 100:7. e SEM images of BTA/S-phol/S-Ag6 co-assemblies. BTA/S-phol/S-Ag6 = 100:7:3. f SEM images of BTA/R-phol/R-Ag6 co-assemblies. BTA/R-phol/R-Ag6 = 100:7:3. g HAADF images and elemental mappings of BTA/S-phol/S-Ag6 co-assemblies. BTA/S-phol/S-Ag6 = 100:7:10. h HAADF images and elemental mappings of BTA/R-phol/R-Ag6 co-assemblies. BTA/R-phol/R-Ag6 = 100:7:10. Insert of (a–f): Histograms of helical pitch (average values: 482, 464, 436, 348, 341, 346 nm) and helical diameter (average values: 71, 109, 103, 140, 121, 131 nm).

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