Seed-directed synthesis of chiroptically active Au nanocrystals of varied symmetries
Seed-directed synthesis of chiroptically active Au nanocrystals of varied symmetries
复制标题
不同对称性手性光学活性金纳米晶体的种子定向合成
DOI：
10.1039/d2cc04126j
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发表时间：
2022
影响因子：
4.9
通讯作者：
Skrabalak, Sara E.
中科院分区：
文献类型：
--
作者：
Googasian, Jack S.;Lewis, George R.;Woessner, Zachary J.;Ringe, Emilie;Skrabalak, Sara E.
通过 L-谷胱甘肽引导的金四面体、纳米板和八面体过度生长合成了具有不同对称性的手性等离子体纳米晶体，凸显了手性分子在瞬态扭结位点吸附的重要性。大的 g 因子是可能的，并且取决于对称性。从断层扫描获得的纳米晶体模型对其手性光学特性进行的模拟进一步验证了它们的手性。
Chiral plasmonic nanocrystals with varied symmetries were synthesized by L-glutathione-guided overgrowth from Au tetrahedra, nanoplates, and octahedra, highlighting the importance of chiral molecule adsorption at transient kink sites. Large g-factors are possible and depend on symmetry. Simulations of their chiroptical properties from tomographically obtained nanocrystal models further verify their chirality.