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SERS on photographic silver halide emulsions

✍ Scribed by K. Kneipp; W. Jahr; G. Roewer

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
448 KB
Volume
163
Category
Article
ISSN
0009-2614

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✦ Synopsis

Surface-enhanced Raman Scattering (SERS) investigations on a cyanine dye in photographic silver halide emulsions with various photographically relevant additives are reported. In addition to an electromagnetic enhancement due to Giver particles of suitable size and shape a chemical enhancement which is directly connected with the thiosulfate digestion of the emulsion, i.e. the formation of Ag,S, plays an important role. In photographic emulsions sensitivity centres and SERS active sites arc identical. A strong influence of the additives (stabilizers and antifogging agents) on the chemical SERS enhancement was found.

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