1991
DOI: 10.1021/ac00003a010
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Silver-island films as substrates for enhanced Raman scattering: effect of deposition rate on intensity

Abstract: The relationship between surface-enhanced resonance Raman scattering (SERRS) intensity and the rate of deposition during silver-island film preparation was examined, using zinc tetraphenylporphine (ZnTPP) as the adsorbate. The effect of the deposition rate on the optical properties of the films at specific wavelengths was also analyzed. The data show that the film extinction (the term extinction is used rather than absorption because the spectra have not been corrected for reflection or scattering losses) incr… Show more

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Cited by 164 publications
(132 citation statements)
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“…Clean, surfactant-free AgNP were synthesized using electroless reduction that involves the synthesis of NP by reduction of the metal salt solution by a semiconductor substrate 18 , and vapor deposition [19][20][21][22] . EFM performed on the AgNP confirms the presence of individually charged AgNP and its expected variation (polarity and magnitude) with the Fermi level difference.…”
Section: Introductionmentioning
confidence: 99%
“…Clean, surfactant-free AgNP were synthesized using electroless reduction that involves the synthesis of NP by reduction of the metal salt solution by a semiconductor substrate 18 , and vapor deposition [19][20][21][22] . EFM performed on the AgNP confirms the presence of individually charged AgNP and its expected variation (polarity and magnitude) with the Fermi level difference.…”
Section: Introductionmentioning
confidence: 99%
“…Because of its higher reproducibility, this technique of using metal nanoislands has been shown superior to the approach of using metal nanocolloids [15]. Additionally, this method provides the advantages of relatively simpler implementation and easier engineering to tune the plasmonic resonance characteristics of the resulting metal nanoislands (by controlling deposition conditions).…”
Section: Introductionmentioning
confidence: 99%
“…Among SERS-active substrates, vacuum-evaporated nanostructured metal films are well suited for SERS mechanism studies and have a high potential for applications [14][15][16][17][18][19][20]24,[39][40][41][42][43]. The effect on the metal film due to deposition rate, mass thickness, and thermal annealing were studied in detail previously [18,[40][41][42][43].…”
Section: Introductionmentioning
confidence: 99%