Solution SERS of an insoluble synthetic organic pigment-quinacridone quinone-employing calixarenes as dispersive cavitands |
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| Authors: | del Puerto Elena Sánchez-Cortés Santiago García-Ramos José V Domingo Concepción |
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| Affiliation: | Instituto de Estructura de la Materia, CSIC, Serrano 121, 28006 Madrid, Spain. elena@iem.cfmac.csic.es |
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| Abstract: | A possibility of getting SERS spectra of insoluble aromatic compounds in colloidal silver solutions is described. The method tested for the organic pigment quinacridone quinone consists of dispersing it in calix[n]arenes. The potentials of such cavitands, both as dispersing and as silver functionalization agents, is reported as a function of the substitution in their lower rim and their cavity size. |
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