Abstract
The synthesis and application of silver microtube substrates for quantification by surface enhanced Raman spectroscopy (SERS) is presented in this work. The roughened silver microtubes were prepared by template assisted electrosynthesis method. Using rhodamine 6G as a Raman probe molecule, the silver microtubes were tested for SERS determination, demonstrating a high performance for quantitative analysis with high precision and low data dispersion (%RSD < 3), which is the limiting step in quantitative SERS. This performance can be explained by obtaining a single silver microtube substrate highly homogeneous in SERS activity in the whole surface and with high reproducibility between different synthesis batches.
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