2006
DOI: 10.1039/b609417a
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Low concentration rhodamine 6G observed by surface-enhanced Raman scattering on optimally electrochemically roughened silver substrates

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Cited by 64 publications
(52 citation statements)
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“…Raman signal of R6G has been demonstrated at this concentration level, [15,16,27] and even lower concentrations have been detected. [28] However, the sensitivity of a biosensor can also be influenced by the incubation conditions and the measurement parameters. Additional techniques, such as stirring the analyte or increasing the incubation duration, could enhance the mass transport between the analyte and the sensor area and improve the sensor performance.…”
Section: Resultsmentioning
confidence: 99%
“…Raman signal of R6G has been demonstrated at this concentration level, [15,16,27] and even lower concentrations have been detected. [28] However, the sensitivity of a biosensor can also be influenced by the incubation conditions and the measurement parameters. Additional techniques, such as stirring the analyte or increasing the incubation duration, could enhance the mass transport between the analyte and the sensor area and improve the sensor performance.…”
Section: Resultsmentioning
confidence: 99%
“…Figure 1(A) shows the surface morphology of the Au substrate roughened in 0.1-N HCl that exhibits thin metal islands with a microstructure of <100 nm size. [13,14] This would be responsible for a good Raman activity. Comparing this morphology with that of UPD Ag-modified Au shown in Fig.…”
Section: Characteristics Of Upd Ag-modified Au Substratesmentioning
confidence: 99%
“…Extensive investigations have demonstrated that the SERS enhancements of nanostructured Au and Ag strongly rely on their morphology, size, and assembly, and various nanostructured Au and Ag have been developed as sensitive SERS substrates. [17][18][19][20][21][22] However, amongst the three coinage metals, the SERS effect of nanostructured Cu is much less investigated. [23,24] This is probably due to their insignificant SERS effects and poor thermal and chemical stability.…”
Section: Introductionmentioning
confidence: 99%