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ABSTRACT:
SUBMITTER: Hodgins HP
PROVIDER: S-EPMC10851351 | biostudies-literature | 2024 Feb
REPOSITORIES: biostudies-literature
Hodgins Harold P HP Foley Jonathan J JJ Govorov Alexander O AO Gray Stephen K SK Hamilton Ian P IP
ACS omega 20240125 5
We calculate, using time-dependent density functional theory, absorption and circular dichroism (CD) spectra for a series of small helical gold nanorod structures with a width of 0.6 nm and length increasing from 0.7 nm for Au<sub>24</sub> to 1.9 nm for Au<sub>56</sub>. For a low-energy window, ranging from 1.7 to 4.1 eV, broadening the lines in the absorption spectra results in a low energy peak which previous studies have identified as the (localized) plasmon resonance. As expected, the absorp ...[more]