Carbon nanohorn-based nanofluids: characterization of the spectral scattering albedo

Year: 2012

Authors: Mercatelli L., Sani E., Giannini A., Di Ninni P., Martelli F., Zaccanti G.

Autors Affiliation: National Research Council – National Institute of Optics (CNR-INO), Largo E. Fermi,6, Florence, 50125, Italy;
Department of Physics and Astronomy, University of Florence, via Sansone 1, Sesto Fiorentino, 50019, Italy

Abstract: The full characterization of the optical properties of nanofluids consisting of single-wall carbon nanohorns of different morphologies in aqueous suspensions is carried out using a novel spectrophotometric technique. Information on the nanofluid scattering and absorption spectral characteristics is obtained by analyzing the data within the single scattering theory and validating the method by comparison with previous monochromatic measurements performed with a different technique. The high absorption coefficient measured joint to the very low scattering albedo opens promising application perspectives for single-wall carbon nanohorn-based fluid or solid suspensions. The proposed approximate approach can be extended also to other low-scattering turbid media.


Volume: 7      Pages from: 96  to: 96

KeyWords: Absorption coefficients; Aqueous suspensions; Monochromatic measurement; Nano-fluid; Nanofluids; Scattering and absorption; Single scattering; Single wall carbon nanohorn; Single-wall; Solid suspensions; Spectral characteristics; Turbid media, Carbon nanotubes; Nanofluidics; Nanohorns; Solar radiation; Suspensions (fluids); Turbidity, Scattering
DOI: 10.1186/1556-276X-7-96

Citations: 29
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