TY - JOUR
T1 - Immobilized nanorod assemblies
T2 - Fabrication and understanding of large area surface-enhanced Raman spectroscopy substrates
AU - Greeneltch, Nathan G.
AU - Blaber, Martin G.
AU - Henry, Anne Isabelle
AU - Schatz, George C.
AU - Van Duyne, Richard P.
PY - 2013/2/19
Y1 - 2013/2/19
N2 - We describe the fabrication of optimized plasmonic substrates in the form of immobilized nanorod assemblies (INRA) for surface-enhanced Raman spectroscopy (SERS). Included are high-resolution scanning electron micrograph (SEM) images of the surface structures, along with a mechanistic description of their growth. It is shown that, by varying the size of support microspheres, the surface plasmon resonance is tuned between 330 and 1840 nm. Notably, there are predicted optimal microsphere sizes for each of the commonly used SERS laser wavelengths of 532, 633, 785, and 1064 nm.
AB - We describe the fabrication of optimized plasmonic substrates in the form of immobilized nanorod assemblies (INRA) for surface-enhanced Raman spectroscopy (SERS). Included are high-resolution scanning electron micrograph (SEM) images of the surface structures, along with a mechanistic description of their growth. It is shown that, by varying the size of support microspheres, the surface plasmon resonance is tuned between 330 and 1840 nm. Notably, there are predicted optimal microsphere sizes for each of the commonly used SERS laser wavelengths of 532, 633, 785, and 1064 nm.
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U2 - 10.1021/ac303269w
DO - 10.1021/ac303269w
M3 - Article
C2 - 23343409
AN - SCOPUS:84874083578
SN - 0003-2700
VL - 85
SP - 2297
EP - 2303
JO - Analytical Chemistry
JF - Analytical Chemistry
IS - 4
ER -