Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 2, Issue 1, Pages 19-22Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am9008715
Keywords
silver nanoparticles; CNTs; films; hot spots; SERS; ultradetection
Funding
- Spanish Ministerio de Ciencia e Innovacion [MAT2007-62696, MAT2008-05755]
- Xunta de Galicia [PGIDIT06TMT31402PR, 08TMT008314PR]
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A novel hybrid material comprising silver aggregates supported on the porous structure of a free-standing carbon nanotube him was devised and fabricated. This material readily allows filtration of large volumes of fluids, while retaining the active analytes on silver aggregates so that their characteristic surface-enhanced resonance Raman scattering signals could be registered. The direct identification of multiple analytes at the attomolar regime was readily achieved through their single-molecule spectra.
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