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TEM image of the multiarmed short CdS nanorods.(b)–(e) Typical TEM images of the newly synthesized CdS nanowire ropes. Inset of (e) SAED pattern recorded on a single bundle of CdS nanorope. (f) HRTEM image of a single crystalline monowire comprising the nanoropes.
CD spectra of the CdS nanoropes and nanorods samples, showing that the nanoropes are CD active whereas the nanorods are not.
UV-visible spectra showing the distinct electronic absorption feature of the magic number CdS nanoclusters formed in the initial nucleation stage. The four spectra were recorded for a series of comparative growth reactions started with different ED concentration and/or different molar ratio of the monomers. (b) Temporal evolution of the absorption spectrum for a typical growth reaction performed under conditions of ED concentration of 20 mol % and growth temperature of 80 °C with molar ratio of 1:1.
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