few studies have focused on the light-trapping surface-enhanced
Raman scattering (SERS) substrate combined with Si micropyramids and
Ag (or Au). However, the Si micropyramids possess no ordered period,
which not only affects the repeatability of the SERS signal but also
affects the theoretical exploration. Here, the ordered micropyramids
with strong light-trapping capability were fabricated by utilizing
unconventional nanosphere lithography and anisotropy wet etching technique.
Then, the Ag nanobowls… Show more
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