Volume 121, Issue 29 pp. 5430-5433
Zuschrift

Loading of Exponentially Grown LBL Films with Silver Nanoparticles and Their Application to Generalized SERS Detection

Sara Abalde-Cela

Sara Abalde-Cela

Departamento de Química-Física and Unidad Asociada CSIC-Universidade de Vigo, 36310 Vigo (Spain) http://webs.uvigo.es/coloides/nano

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Szushen Ho

Szushen Ho

Departments of Chemical Engineering, Materials Science and Engineering, and Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109 (USA) http://www.engin.umich.edu/dept/che/research/kotov

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Benito Rodríguez-González Dr.

Benito Rodríguez-González Dr.

Departamento de Química-Física and Unidad Asociada CSIC-Universidade de Vigo, 36310 Vigo (Spain) http://webs.uvigo.es/coloides/nano

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Miguel A. Correa-Duarte Dr.

Miguel A. Correa-Duarte Dr.

Departamento de Química-Física and Unidad Asociada CSIC-Universidade de Vigo, 36310 Vigo (Spain) http://webs.uvigo.es/coloides/nano

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Ramón A. Álvarez-Puebla Dr.

Ramón A. Álvarez-Puebla Dr.

Departamento de Química-Física and Unidad Asociada CSIC-Universidade de Vigo, 36310 Vigo (Spain) http://webs.uvigo.es/coloides/nano

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Luis M. Liz-Marzán Prof.

Luis M. Liz-Marzán Prof.

Departamento de Química-Física and Unidad Asociada CSIC-Universidade de Vigo, 36310 Vigo (Spain) http://webs.uvigo.es/coloides/nano

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Nicholas A. Kotov Prof.

Nicholas A. Kotov Prof.

Departments of Chemical Engineering, Materials Science and Engineering, and Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109 (USA) http://www.engin.umich.edu/dept/che/research/kotov

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First published: 01 July 2009
Citations: 21

M.A.C.-D. acknowledges the Isidro Parga Pondal Program fellowship (Xunta de Galicia, Spain) and R.A.A.-P. acknowledges the Ramon y Cajal Program fellowship (Ministerio de Educacion y Ciencia, Spain). This work was funded by the Spanish Ministerio de Ciencia e Innovación (MAT2007-62696 and MAT2008-05755) and the Xunta de Galicia (PGIDIT06TMT31402PR and 08TMT008314PR). We thank A. Benedetti and C. Serra (CACTI, Universidade de Vigo) for carrying out the FIB sample preparation and XPS measurements, respectively. LBL=layer-by-layer; SERS=surface-enhanced Raman scattering.

Abstract

Filmvorstellung: Dünne Filme, die durch exponentielles Schichtenwachstum erzeugt wurden, zeigen hohe Diffusivitäten und lassen sich leicht mit anorganischen Nanopartikeln infiltrieren. Die Filme können molekulare Systeme abhängig von der Schichtzusammensetzung aus Lösungen sequestrieren und liefern oberflächenverstärkte Raman-Signale (SERS) mit hoher Intensität (siehe Bild).

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