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Symmetry-controllable assembly of Au nanooctahedron superlattice membranes for SERS
Yue Qiu1, Weikun Ding1, Tongtao Li2
1State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, China. yangdong@fudan.edu.cn.
Chemical Communications (Cambridge, England)
|August 7, 2024
Abstract:
We present a novel approach to adjust the symmetry of Au octahedral nanocrystals in two-dimensional superlattices. By modifying the content of free polymeric ligands added in the nanocrystal solution, we achieve Au nanocrystal superlattices with tip-on-tip arrangements that significantly enhance the surface-enhanced Raman spectroscopy performance.
