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Application of photographic paper as a substrate for surface-enhanced Raman spectroscopy

✍ Scribed by H. Gliemann; U. Nickel; S. Schneider

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 289 KB
Volume: 29
Category: Article
ISSN: 0377-0486
DOI: 10.1002/(sici)1097-4555(199812)29:12<1041::aid-jrs315>3.0.co;2-0

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✦ Synopsis

It is shown that commercially available photographic paper for black and white prints can be used to generate attractive SERS-active silver surfaces, provided that a number of precautions are taken during the preparation process, e.g. illumination has to be done with light of low intensity, developing must be performed with a high concentration of sulphite and hardening with thiosulphate must be omitted. With oxazine 170 as test sample, the SERS signal intensity proved to be independent of exposure time by the probe laser and highly reproducible from sample to sample, even if the processed photographic paper was stored for some time. The prospects for applications of this SERS substrate for analytical purposes are therefore promising.

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