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  • Title: Tunable surface-enhanced Raman scattering from high-density gold semishell arrays with controllable dimensions.
    Author: Lang X, Li J, Luo X, Zhang Y, Yin Y, Qiu T.
    Journal: Chemphyschem; 2014 Feb 03; 15(2):337-43. PubMed ID: 24375842.
    Abstract:
    A convenient reproducible technique is reported for the fabrication of large-area gold semishell arrays by mechanically pressing porous anodic alumina (PAA) stamps into gold/polymer bilayer structures that serve as robust and cost-efficient surface-enhanced Raman-scattering (SERS) substrates. The surface structure can be tuned further to optimize the enhancement factor according to optional PAA fabrication parameters and imprinting pressures. Finite-difference time-domain calculations indicate that the structure may possess excellent SERS characteristics due to the high density and abundance of hot spots.
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